Physics Calculators
Physics Collections
Top physics calculators
The acceleration calculator estimates acceleration using three different approaches – velocity difference, distance traveled over time, and net force vs. mass.
Find out how much heat is required to warm up a sample with the specific heat calculator.
Use the velocity calculator to assess how fast an object moves, given a certain distance and time.
Our free fall calculator can find the velocity of a falling object and the height it drops from.
Learn the relationship between wavelength and frequency with this wavelength calculator.
Use our projectile motion calculator to analyze a projectile in parabolic motion.
Use the density calculator to instantly find how tightly packed an object's molecules are.
Use the ideal gas law calculator to find the pressure, volume, and temperature of a gas.
With humidity and temperature you can find out the value of the wet-bulb temperature, and if it's any different from the normal air temperature.
If you know the mass and velocity of an object, use the kinetic energy calculator to find its energy in movement.
Grab the potential energy calculator to find how much energy is stored in an object raised off the ground.
The enthalpy calculator lets you find the enthalpy of any endothermic or exothermic reaction.
If you want to calculate the force between two masses, try our gravitational force calculator.
The frequency calculator lets you quickly find the frequency, given either its period or its wavelength and velocity.
Use this Boyle's law calculator to estimate a gas's pressure and volume in an isothermal process.
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Physics Calculators
Arrow speed calculator finds the real speed of an arrow for a bow with custom parameters.
Determine the ballistic coefficient for projectiles using our ballistic coefficient calculator.
Use the car jump distance calculator to simulate car jumping with air drag force and car rotation included.
The conservation of momentum calculator will help you determine the initial and final speed of two colliding objects.
Using the displacement calculator you can find the displacement using constant speed, acceleration, or a collection of different velocities.
Our free fall calculator can find the velocity of a falling object and the height it drops from.
Free fall with air resistance calculator finds the time of fall, as well as the maximum and terminal velocity of an object falling to the ground under the influence of both gravity and air resistance.
The friction calculator finds the force of friction between any object and the ground.
Ground speed calculator helps you find the wind correction angle, heading, and ground speed of an aircraft.
With this horizontal projectile motion calculator, you'll quickly find out the trajectory, time of flight, and projectile range.
The impulse and momentum calculator can find the impulse of an object that changes its velocity.
Use the inclined plane calculator to solve exercises about objects sliding down an inclined plane with a friction coefficient.
Check our magnitude of acceleration calculator to estimate the value of acceleration swiftly. You can choose between three options: mass and force, acceleration components, or velocity difference.
Use this maximum height calculator to figure out what is the maximum vertical position of an object in projectile motion.
The momentum calculator evaluates the linear momentum of an object based on its mass and velocity.
Use this tool to calculate the polar moment of inertia of a solid or hollow circular section.
Use our projectile motion calculator to analyze a projectile in parabolic motion.
Find out how far the object can fly with this projectile range calculator.
Given a vehicle's power and weight, you can use this quarter-mile calculator to estimate the elapsed time and final speed over a 1/4-mile distance.
We let you estimate the rolling resistance of any vehicle with the rolling resistance calculator, to make sure you are running as efficiently as possible!
If you're dealing with an object that is constantly accelerating, this SUVAT calculator will sort you right out.
Determine the maximum velocity achievable by a falling object using the terminal velocity calculator.
Check out how long a projectile remains in the air with this time of flight calculator.
Use the velocity calculator to assess how fast an object moves, given a certain distance and time.
The acceleration calculator estimates acceleration using three different approaches – velocity difference, distance traveled over time, and net force vs. mass.
Find how to design the perfect road (and much more) with our angle of banking calculator
Force calculator helps you calculate force from Newton's second law of motion and explains the basic aspects of force.
If you want to calculate the force between two masses, try our gravitational force calculator.
With the Newton's second law calculator, you can explore the famous second law of motion thanks to Isaac Newton.
Find out the normal force value of an object on a flat and inclined surface with our normal force calculator.
Stopping distance calculator finds the distance your car travels before it comes to a stop.
This tension calculator will help you determine the tension forces acting in a rope, string, or any tension members that undergo pulling or stretching forces. You can calculate for tension forces in ropes pulling objects on a frictionless surface as well as tension forces in ropes that are suspending an object.
Use this car center of mass calculator and find the exact position of the center of gravity of your car.
Use the pressure calculator to find the pressure exerted by a force on a specific area.
Try the reduced mass calculator to easily calculate the reduced mass in a two-body problem.
With this weight on other planets calculator, you can check how much you'd weigh if you landed on another planet within our Solar system.
Find out how much energy a bullet fired from a weapon carries using this bullet energy calculator.
Use the elastic potential energy calculator to determine the potential energy of a spring.
Calculate the force and energy involved with impact loads using our impact energy calculator.
If you know the mass and velocity of an object, use the kinetic energy calculator to find its energy in movement.
Grab the potential energy calculator to find how much energy is stored in an object raised off the ground.
Our power-to-weight ratio calculator allows you to compare the performance of different motor vehicles.
The SNR (signal-to-noise ratio) calculator computes the ratio of the desired signal to the level of background noise.
Use the TNT equivalent calculator to determine the TNT factor and compare different explosives.
Do you want to calculate work (physics) with very little effort? With Omni's work calculator we'll do the (computational) work for you 😉
Our work and power calculator can determine how much energy you need to perform a given amount of work.
Use this angular acceleration calculator to compute angular acceleration of an object in circular motion.
Angular displacement calculator is the one-stop tool to calculate angular displacement using three different formulas based on your requirements.
Use the angular frequency calculator to find the angular frequency (also known as angular velocity) of all rotating and oscillating objects.
This angular momentum calculator allows you to calculate the angular momentum of an object, either by using the moment of inertia and angular velocity, or by using the mass and velocity of the object along with the radius of the curved path.
This angular velocity calculator finds angular velocity in two ways. You can either use the angle change in the period of time or apply the linear velocity and a given radius.
Use our centrifugal force calculator to determine the force acting on a rotating object.
The centrifuge calculator lets you convert between relative centrifugal force (RCF) and revolutions per minute (RPM) of a motor in a centrifuge.
Check this centripetal force calculator if you want to estimate the centripetal force acting upon a body in circular motion.
Use the circular motion calculator to determine the parameters like frequency, speed, angular velocity, and centripetal acceleration.
The Coriolis effect calculator can find the inertial force acting on moving objects in a rotating reference frame.
The damping ratio calculator will help you find the damping ratio and establish if the system is underdamped, overdamped or critically damped.
Our flywheel energy storage calculator allows you to calculate the capacity of an interesting type of battery!
The frequency calculator lets you quickly find the frequency, given either its period or its wavelength and velocity.
The harmonic wave equation calculator helps you find the displacement of any point along an oscillating wave.
This calculator and video combination helps you compute the kinetic energy of a pendulum so that you can better understand how to use a pendulum in the real world.
If you want to find out what is the moment of inertia of an object, our mass moment of inertia calculator is here to help you.
The physical pendulum calculator helps you compute the period and frequency of a physical pendulum.
The rotational kinetic energy calculator finds the energy of an object in rotational motion.
Determine the resistance of a body to rotation using the rotational stiffness calculator.
Simple harmonic motion calculator analyzes the motion of an oscillating particle.
The simple pendulum calculator finds the period and frequency of a pendulum.
If you want to find out how the object rotates when subject to a force, our torque calculator is here to help you.
Learn the relationship between wavelength and frequency with this wavelength calculator.
The angular resolution calculator finds out the angular resolution of a lens.
The aperture area calculator helps you to compute the aperture area of a lens.
With this binoculars range calculator, you can find the distance to the object if you know its height.
Calculate the spectral radiance of a blackbody in watts or photons per second using this blackbody radiation calculator.
With this Bragg's law calculator, you can compute the angle of an incident X-ray for which the reflected wave from a crystal has the maximum intensity.
With this Brewster's angle calculator, you can estimate the angle at which reflected light will be perfectly polarized.
Find out what power contact lens will fit you using this contact lens vertex calculator!
Diffraction grating calculator analyzes what happens when a light ray meets a surface with multiple apertures.
The diopter calculator efficiently determines the optical power of a lens in diopters using its focal length.
Learn the geometry of horizons with our distance to the horizon calculator: on Earth or anywhere else in the Solar System!
The Earth curvature calculator lets you find the distance from you to the horizon, as well as the height of an object that is partially hidden behind it.
If you need to find the index of refraction of any substance, the index of refraction calculator is here to help you.
Our laser beam divergence calculator will tell you exactly how much your beam will expand!
Our laser beam expander calculator will teach you everything you need to know about these simple devices.
With our laser brightness calculator, you can find the radiance of a gaussian beam or compare two different lasers to see which one is brighter.
With our laser linewidth and bandwidth calculator, you will learn how much your laser pointer deviates from an ideal monochromaticity.
Our laser beam spot size calculator will find out how small a laser beam can be.
The lens Maker Equation Calculator finds out the focal length of a specific lens.
The Lumen calculator converts between lumens, lux, and candelas.
With our easy-to-use converter, lux to foot candles conversion will never again cause you any problems!
With this Malus law calculator, you can find the intensity of light that passes through the polarizer, taking into account the direction of its initial polarization.
The mirror equation calculator helps you find the unknown among the object position, image position, and focal length of a mirror.
Our speed of light calculator can help you to calculate the distance light can travel in a fixed time.
If you want to know how wide is your window on the stars, our telescope field of view calculator is the right tool for you!
Use this telescope magnification calculator to estimate the magnification, resolution, brightness, and other properties of the images taken by your scope.
This thin-film optical coating calculator will calculate the optical path difference and reflectivity at the coating interface.
With this thin lens equation calculator, you can find the focal length of your lens.
The acoustic impedance calculator will help you determine a material's specific acoustic impedance and the intensity reflection and transmission coefficients of a sound wave at the boundary of two materials.
The Alfvén velocity calculator helps you compute the velocity of a magnetohydrodynamic wave, a type of plasma wave.
The beat frequency calculator is your one-stop tool to calculate the beat frequency of two waves.
The critical damping calculator will help you find out the critical damping coefficient of a system.
Use our dB calculator to find the sound pressure level and intensity level in decibels.
Determine dB gain by entering initial and final power levels into the dB gain calculator.
The distance attenuation calculator finds how the sound level in dB decreases with distance from the sound source.
Our Doppler effect calculator allows you to calculate the frequency of sound if either the source of sound or the observer is moving.
Find the resonant frequency of an acoustic cavity with out Helmholtz resonator calculator!
This modulation calculator helps find the amplitude modulation index using the amplitude of the modulation signal and the carrier signal. You can also calculate the frequency modulation index.
The reverberation time calculator works out what is the time required for the sound intensity to decrease by 60 dB.
The sound absorption coefficient calculator determines the absorption coefficient via absorbed and incident sound intensities. It also calculates the total room sound absorption and the average sound absorption.
Use the sound wavelength calculator to study the behavior of sound waves in different mediums.
Check with our speed of sound calculator how the speed of sound in water or air changes with temperature.
Determine the speed of sound wave propagating through different materials using speed of sound in solids calculator.
The angle of repose calculator can be a valuable tool to forecast the behavior of piles of granular materials.
This angle of twist calculator computes the twist angle of a shaft, given the shaft length, polar moment, torque, and shear modulus.
Obtain an estimate of the bend allowance given the material thickness, bend angle, inside radius, and k-factor for a given material with our bend allowance calculator.
Determine the indentation hardness of a material using the Brinell hardness number calculator.
Use our bulk modulus calculator to know the relationship between bulk stress, bulk strain, and bulk modulus.
Enter the dimensions of a copper wire into the copper wire weight calculator to get its weight.
Use the density calculator to instantly find how tightly packed an object's molecules are.
The elastic constants calculator can help you explore the relationships between the moduli of elasticity for isotropic materials.
Calculate the elongation percentage and determine if the material would fail using the elongation calculator.
The factor of safety calculator obtains the ratio of an object's or structure's maximum strength to its design load, to determine how safe it is. Read on to learn more about factor of safety and its applications.
Use the gold weight calculator to determine the amount of precious metal you need and its cost for DIY projects.
Determine the stresses in thin walled shells (spheres and cylinders) using the hoop stress calculator.
The impact test calculator determines the energy absorbed in Izod and Charpy impact tests.
Omni's intrinsic carrier concentration calculator allows you to work out the carrier concentration in intrinsic semiconductors.
The natural frequency calculator quickly computes the unperturbed frequency of vibration for multiple systems!
Use this number density calculator to compute the charge carrier number density of specific conductors.
The Poisson's ratio calculator can find the Poisson's ratio either as a proportion of lateral and axial strain or from the shear and elasticity moduli.
This principal stress calculator helps you calculate the amount of normal stress acting on a single major plane. Find the maximum, minimum, and angle of principal stress using this calculator.
Calculate or convert Rockwell hardness number to different hardness scales using the Rockwell hardness conversion calculator.
Use this tool to calculate the section modulus, second area moment, and neutral axis of many structural profiles, given their dimensions.
Use this tool to calculate the shear modulus of a cubic element, given its dimensions, force applied, and deformation.
Use this tool to calculate the shear strain produced by shear forces, stresses, and twisting couples in circular shafts.
Use our shear stress calculator to get the shear stress value of a beam subjected to a transverse load or a torque.
Use the shear wave velocity calculator to determine the velocity of a shear wave propagating in the body.
Use the slenderness ratio calculator to determine the slenderness ratio of a column by entering its length and cross-sectional dimensions.
Use this specific gravity calculator to find the specific gravity of different materials and see whether they will float or sink.
Determine the element stiffness matrix for a truss, beam, or frame element using our stiffness matrix calculator.
Use the stress calculator to find the stress, strain and modulus of elasticity of an object.
Use this stress concentration factor calculator to estimate the localized high stresses in the regions of geometric discontinuities.
Determine the stress on an object due to heating or cooling using the thermal stress calculator.
Use our torsional constant calculator to find the torsional constant of many structural profiles subjected to torsion.
Use this tool to calculate the torsional stiffness by inputting the torque and the twist angle or the shear modulus, polar moment, and beam length.
Convert engineering stress-strain values into their true counterparts using the true strain calculator.
Estimate the material hardness for your test specimen using the Vickers hardness number calculator.
The volume to mass calculator has dozens of item densities that will allow you to convert volume to mass or mass to volume whenever you need.
The von Mises stress calculator can help you predict if a material will yield under complex loading conditions.
Quickly find out the elastic modulus from stress and strain values with our Young's modulus calculator!
The belt length calculator will tell you the length of a belt spread out between two pulleys.
Calculate engine efficiency with our BMEP calculator using the BMEP formula. Accurate and easy to use for all your brakes mean effective pressure needs.
This carburetor cfm calculator will help you to estimate the correct carburetor size for your engine.
Calculate the crawl ratio of a vehicle from the transmission ratio, transfer case ratio, and axle gear ratio.
Determine the capacity of the engine using engine displacement calculator.
Use the engine's RPM and cylinder's volume to calculate the exhaust diameter of your vehicle.
Use this fulcrum calculator to determine a lever's fulcrum location from the load you want to lift.
This gear ratio calculator determines the rate of mechanical advantage or disadvantage a gear train produces in a gear system. Read on to learn more about gear ratio and its importance in our lives.
Our linear actuator force calculator computes the maximum force required for the linear actuator.
Mechanical advantage calculator finds out the force amplification when using levers, pulleys, screws, wedges, ramps, and wheels & axles.
The NPSH calculator – net positive suction head – is a handy tool that will help you obtain the available NPSH of your system, so you can avoid having cavitation in your pump.
Our piston speed calculator calculates the mean speed a piston moves in the cylinder bore.
Use this tool to calculate the prop pitch of a boat from its speed, gear ratio, engine speed, and propeller slip.
Pulley calculator finds all parameters of a belt drive system: the RPM, speed, belt length, belt tension, and torque.
Determine the hydraulic and shaft power of pumps using the pump horsepower calculator.
This speeds and feeds calculator will help you set the rotation speed and feed rate of your machine tool, so you get fantastic results, whether you are drilling, milling, or boring.
The famous spring calculator helps you determine the relationship between spring deformation and the force or torque applied.
The spring rate calculator can help you obtain the spring rate (spring constant) for any given spring.
Omni's torsion spring calculator makes calculating the parameters of such a device quick and easy!
Use the twist rate calculator to estimate the bullet stability factor and the right twist rate for the bullet.
Determine the wing loading parameter to kick-start your aircraft design process using the wing loading calculator.
The alien civilization calculator explores the existence of extraterrestrial civilizations by comparing two models: the Drake equation and the Astrobiological Copernican Limits👽
How much speed do you need to move in space? Find it out with our delta-v calculator!
This Earth orbit calculator determines the speed and orbital period of a satellite at a given height above average Earth sea level.
Use our escape velocity calculator to find out the speed required to leave the surface of any planet.
The exoplanet discovery calculator allows you to play around and discover the calculations that got a Nobel Prize in 2019 for the discovery of planets outside the solar system.
Hohmann transfer calculator lets you find the best fuel-efficient transfers between two circular orbits.
The rocket equation calculator helps you estimate the final velocity of a rocket.
Use this Kepler's third law calculator to find the relationship between a planet's orbital period and it semi-major axis (or mean orbital radius).
Enter the orbital period calculator, where you can calculate the orbital period of a binary system, a satellite around the Earth, and much more while learning about the universe and the laws that rule it.
Use our orbital velocity calculator to estimate the parameters of orbital motion of the planets.
If you want to calculate the net thrust generated by a jet rocket engine, the rocket thrust calculator is the easiest way to do it; you don't need to learn rocket physics.
Estimate how efficiently an engine generates thrust using the specific impulse calculator.
Use our synodic period calculator to determine the synodic or the sidereal periods of a planet.
Estimate the thrust to weight ratio for real aircraft or your designs using the thrust to weight ratio calculator.
Use the UFO travel calculator to design a fast-moving UFO and estimate its performance.
The Black Hole Collision Calculator lets you see the effects of a black hole collision, as well as revealing some of the mysteries of black holes, come on in and enjoy!
Use the black hole temperature calculator to learn the black body temperature of a black hole from just its mass.
Where is everybody? Learn how to calculate the probability of another civilization existing somewhere in our Galaxy with Omni's Drake equation calculator.
Come on into the Hubble law distance calculator where you can find the answers for the questions like what is the Hubble's Law and what is the value of the Hubble constant.
Our light year calculator can help you calculate the distance light can travel in a certain amount of time.
The luminosity calculator finds a star's luminosity, absolute magnitude, and apparent magnitude.
Why is the night sky dark, only dotted with shiny stars? Olber's paradox is a titillating problem with a clear and satisfying solution.
Use the parallax calculator to determine the distance between the earth and the stars.
Use the radiation pressure calculator to find the pressure that arises from electromagnetic radiation.
With our redshift calculator, you can determine the magnitude of redshift – an interesting phenomenon in astrophysics.
Calculate the gravitational acceleration at the event horizon of a black hole of a given mass using the Schwarzschild radius calculator.
Is the bug going to make it out alive? We're not sure: after all, it's fighting against Einstein. Solve with us the challenging bug-rivet paradox!
The electron speed calculator helps you estimate both the classical and relativistic speeds of an electron.
Explore Einstein's famous E=mc² equation with our calculator and understand the mass-energy equivalence easily.
With this gravitational time dilation calculator you can check how much time slows down by near big objects.
Discover how length is relative to the point of view with our calculator, exploring the relativity of length in physics accurately and easily.
The relativistic kinetic energy calculator finds the kinetic energy of an object traveling at a speed similar to the speed of light.
With the space travel calculator, you can plan your journey to another star system or even another galaxy.
Discover how time varies at high speeds with the Time Dilation Calculator – your tool for delving into the realms of special relativity.
Use the velocity addition calculator to discover that we cannot just add the velocities.
Use the acceleration in the electric field calculator to compute the acceleration of a charged particle subjected to the electric field.
This AC wattage calculator allows you to calculate the AC wattage from volts and amps.
Use the capacitance calculator to find the capacitance of a parallel-plate capacitor.
Use the capacitive reactance calculator whenever you want to find a capacitor's reactance in an AC circuit.
Calculate the conductivity of a material from its resistivity and vice-versa using the conductivity to resistivity calculator.
Use the Coulomb's law calculator to determine the electrostatic force between two charged particles.
Use the cutoff frequency calculator to work out the cutoff frequencies of different filter circuits.
Unlock precision in physics! Use our cyclotron frequency calculator now to accurately determine cyclotron velocity and frequency.
This delta to wye conversion calculator will help you convert delta networks of resistors to wye networks and vice versa.
Use the Drift Velocity Calculator to compute the velocity of charge carriers which flow through a wire.
The electrical power calculator helps you compute the power consumed by electrical devices.
The electric field calculator finds the magnitude of the electric field generated by a point charge.
The electric motor torque calculator provides the relation between rotational speed, power, and torque in the shaft.
The electric potential calculator allows you to work out the electric potential at a point either due to a single point charge or a system of point charges.
Use the energy density of fields calculator to compute the energy density carried by electric and magnetic fields.
With the excess electron calculator, you will learn how to find the number of electrons missing or in excess, which causes a given charge.
The free space path loss calculator allows you to predict the strength of a radio frequency signal emitted by an antenna at any given distance.
The cool Fresnel zone calculator helps you determine the first Fresnel zone so you can keep your signal transmission as strong as possible. It also determines the other Fresnel zones, if you need them.
Our Gauss's law calculator gives you the exact electrical flux through a closed surface around an electric charge.
The Hall Coefficient Calculator computes the Hall coefficient unveiling the nature of the charge carriers in conductors.
This hp to amps calculator helps you convert horsepower (hp) to electric current in amperes (amps). It can also work as the amps to hp converter.
Use the inductive reactance calculator to work out the impedance of a purely inductive circuit.
Compute the insertion loss of a two-port network using the insertion loss calculator.
Calculate the internal resistance of a battery using the internal resistance calculator.
Use this kVA calculator to find the value of apparent power from the operating voltage and current in a system.
Use the Lorentz force calculator to compute the effect of the magnetic field on charged particles.
Align your compass correctly with this magnetic declination calculator!
Calculate the magnetic dipole moment of a current-carrying loop or a solenoid with our magnetic dipole moment calculator.
The magnetic field of a straight current-carrying wire calculator finds the strength of the magnetic field produced by straight wire.
Use this magnetic permeability calculator to compute a material's permeability, relative permeability, and susceptibility.
Use the power dissipation calculator to calculate the power dissipated by the resistors and the power supplied by the battery.
The power factor calculator helps you to describe the relationship between the real, reactive, and apparent power in an AC circuit.
The skin depth calculator allows you to determine the skin effect in conductors for any signal frequency.
This volt to electron volt calculator allows you to convert volts to electron volts with either coulombs or elementary charges.
The VSWR calculator helps in finding the reflection coefficient, return loss, and mismatch loss from the VSWR value, or vice versa.
Our watt calculator helps you understand the relationship between power, voltage, current and resistance. It also provides you with some facts about the electrical power unit - the watt. No more asking watt's that!
Watts to amps calculator helps you convert the electric power into amperage, or vice versa, depending on the applied kind of current.
Watts to lux calculator will help you measure how much luminous flux is spread over a given area.
The breaker size calculator will help you obtain the correct circuit breaker size for your home panel based on the electrical load.
You can use this bridge rectifier calculator to compute various rectification attributes of the conversion of AC (alternating current) into DC (direct current).
Calculate the charge time of your capacitor for the five multiples of the time constant and more.
Try the capacitor calculator if you want to find the meaning of the capacitor code and the value of its capacitance. You can also evaluate what is the charge stored in the capacitor for a specific voltage.
Check this capacitor energy calculator to find the energy and electric charge values stored in a capacitor.
Use this capacitors in series calculator to work out the resulting capacitance in a circuit.
The capacitor size calculator gives you the capacitance required to handle a given voltage in an electric motor, considering a specific start-up energy.
Use the current divider calculator to estimate how the current divides across each branch of different parallel circuits: resistive, inductive, or capacitive.
The generator power calculator helps calculate the power requirement based on the current readings of various equipment and appliances or the power supply voltage of the premises.
Use the helical coil calculator to estimate the inductance and volume of coil springs.
The high pass filter calculator assists you in designing and building a high-pass filter circuit. Includes passive (RC and RL) and active (op-amp based) filters.
Learn how a transformer works and calculate accurately with our ideal voltage transformer calculator. Fast, reliable, and user-friendly
With this inductor energy storage calculator, you'll quickly find the magnetic energy stored in an electrical circuit with inductance.
Use Omni's inductors in parallel calculator to work out the equivalent inductance in a parallel circuit.
Use Omni's inductors in series calculator to work out the equivalent inductance of a series circuit.
Design your optimal J-pole antenna for a chosen frequency using our smart J-pole antenna calculator.
LED resistor calculator tells you what resistor you should use when connecting LEDs in series or parallel.
The low pass filter calculator helps you design and build a low-pass filter circuit, with support for passive (RC and RL) as well as active (op-amp based) filters.
The magnetic force between current-carrying wires calculator determines whether two parallel wires with current will attract or repel each other and how strong this force is.
Use the electromagnetic force on current-carrying wire calculator to compute the strength of the electromagnetic force acting on a wire with current flowing through it.
Discover how to calculate the current of a MOSFET in its three regimes of operation with our MOSFET calculator!
Learn how to calculate the most critical parameter of a MOSFET with our MOSFET threshold voltage calculator.
The 555 timer calculator allows you to find the times of the output of a 555 astable mode timer circuit and more.
The noise figure calculator takes the signal-to-noise ratio (SNR) at input and output to calculate the noise figure value in decibels.
Ohm's Law calculator let's you explore the relationships between power, voltage, current, and resistance.
Check out this parallel capacitor calculator to evaluate the resulting capacity in this kind of circuit.
Find the equivalent resistance of a parallel circuit with the parallel resistor calculator.
Photon detection efficiency calculator is a handy tool that allows for a quick conversion between responsivity and Photon Detection Efficiency (PDE) in Silicon Photomultipliers (SiPMs).
This RC circuit calculator will help you calculate the characteristic frequency of the RC circuit.
Find out the resistance value with this resistor color code calculator! Just choose the resistor type, select the colors, and the tool will display the resistance, tolerance, and range on the spot.
Use our resistor noise calculator to find out how much RMS noise signal resistors will generate.
Use the resistor wattage calculator to determine the power dissipated by a resistor.
Use the resonant frequency calculator to check out the resonant frequency in an LC circuit.
With this RLC circuit calculator, you can calculate the characteristic frequency of the RLC circuit and its Q-factor.
Try this RLC impedance calculator to find the impedance of the resistor, capacitor, and inductor in series or in parallel.
The RMS voltage calculator lets you find the root mean square of common waveforms.
Determine the equivalent resistance of a series circuit with the series resistor calculator.
Use the Shockley diode calculator to obtain the I-V characteristic of a real or ideal diode.
The solenoid inductance calculator helps you to compute the self-inductance of a solenoid.
The Solenoid Magnetic Field Calculator helps you find the magnetic field inside a long solenoid.
Use this spherical capacitor calculator to determine the capacitance of a spherical capacitor filled with a dielectric.
The three-phase calculator helps you estimate apparent, active, and reactive powers in an AC circuit.
Use our transformer sizing calculator to obtain the minimum kVA needed to power your load.
Learn the operating modes of one of the most important electronic components with our transistor biasing calculator.
The voltage divider calculator is a comprehensive tool that tells you about the characteristics of output signals produced in one of the simplest circuits, known as voltage dividers.
Our voltage regulation calculator will help you find the ratio and percentage change of voltage regulation.
This wire gauge calculator computes the diameter, cross-sectional area, and resistance per unit length of a wire once given a wire gauge number in either the American Wire Gauge (AMG) or Standard Wire Gauge (SWG) systems.
The wire resistance calculator determines the resistance and conductance of a wire.
The wire size calculator will help you choose the correct electrical cable for your next installation.
Archimedes' principle calculator allows you to calculate the buoyant force and the properties of an object when it is completely submerged in a fluid.
Bernoulli equation calculator helps you determine the speed and pressure, as well as the flow rate, of an incompressible fluid.
Calculate the discharge over the weir using our broad crested weir calculator.
Buoyancy calculator finds the buoyant force acting on an object immersed in water.
Estimate the ratio between theoretical and actual discharge values using the coefficient of discharge calculator.
This Cv flow calculator will help you understand how the capacity of a valve to let fluid flow through is measured.
Use our Darcy's law calculator to calculate the fluid flow rate through a porous medium.
Estimate the fluid pressure drop across a pipe using the Darcy Weisbach calculator.
Determine the fluid flow rate using the differential pressure calculator.
The drag equation calculator helps you compute a force exerted on a moving object immersed in a fluid.
Easily calculate the airflow, pressure or power draw of a fan. We will also teach you some fun facts about fans, enjoy!
Determine the volumetric and mass flow rate of a fluid with our flow rate calculator.
Use the friction factor calculator to determine the friction factor using the Moody approximation.
Calculate the friction loss in pipes for different materials using the Hazen-Williams equation.
Determine the Froude number for the fluid flow using the Froude number calculator.
Determine the speed of fluid flow through the soil using the hydraulic conductivity calculator.
Determine the change in the head with respect to the distance using this hydraulic gradient calculator.
The hydraulic jump calculator analyzes the jump from a supercritical to a subcritical flow in a rectangular channel.
The hydraulic pressure calculator finds the parameters of a basic hydraulic system.
The hydraulic radius calculator finds the wetted perimeter and hydraulic radius for five different channel shapes.
Our hydrostatic pressure calculator is here to help you if you want to find the hydrostatic pressure at a certain depth.
Use this Knudsen number calculator to calculate the Knudsen number which helps you determine which mechanics formulation should be used.
Determine the coefficient of lift using the lift equation for your wing design using lift coefficient calculator.
Use our Magnus force calculator to find the total force generated by the Magnus effect on a spinning cylinder.
This manometer calculator will determine pressures at specific points in any common manometer. Manometers are simple to use and knowing how to use them is a fantastic way to learn more about fluid statics.
Determine the properties of a gas for an oblique shock wave using the oblique shock calculator.
This open channel flow calculator will help you determine the water flow rate of open channels for any typical cross-sectional area of water flow.
Determine the flow rate of liquid through an orifice using the orifice flow calculator.
Use the pipe flow calculator to find the velocity and discharge of water in a gravity-fed pipe flow.
Use this Poise-Stokes converter to express dynamic viscosities in terms of kinematic viscosities and vice versa.
Our Hagen-Poiseuille's law calculator is a simple way to calculate the flow rate, resistance, or pressure change of a fluid or gas in a pipe.
The porosity and permeability calculator uses Darcy's law to calculate these two material properties as fluids flow through porous substances.
Use our pounds per minute calculator to easily calculate the mass flow rate in lb/min.
Our Prandtl Meyer expansion calculator lets you calculate the downstream flow properties of an expansion wave.
Determine the Prandtl number of fluid using this Prandtl number calculator.
Use our refrigerant capillary tube calculator to adjust your cooling device's current capillary tube system when changing tube size.
The Reynolds number calculator will help you determine the Reynolds number – an essential physical quantity in fluid mechanics.
The Stokes' law calculator will help you determine either the viscosity of a fluid or the terminal velocity of a particle in a falling ball viscometer.
Will it float or sink? Use the water density calculator, which takes temperature, salinity, and pressure into account, to answer the question.
This water viscosity calculator will help you determine the viscosity of water at any temperature.
Determine the wind correction angle for your flight using Omni's wind correction angle calculator.
This wind load calculator will show you how much force wind exerts on your structure at a specific velocity, helping you build roofs, windows, and signs safely.
Use the online air density calculator to find out the density of air at any given temperature and pressure.
If you ever wondered what is the atmospheric pressure high up in the mountains, our air pressure at altitude calculator is there to help you.
The density altitude calculator tells you your effective altitude in terms of the International Standard Atmosphere, which is necessary for determining airplane engine performance and lift.
Check out the dew point calculator to calculate the highest temperature at which water vapor condenses.
Wondering what the weather feels like today? Check the heat index calculator for the apparent temperature.
Use the kinematic viscosity of air calculator to find out the viscosity of air at given pressure and temperature.
This simple lightning distance calculator can estimate how far away a storm is based on the time difference between a flash of lightning and the thunder ⚡⚡⚡
The mixing ratio of air calculator allows you to find the actual and saturation mixing ratios of air as well as associated relative humidity.
Accurately determine humidity with our humidity ratio calculator and psychrometric chart. Optimize your environmental analysis. Use it now!
Use the relative humidity calculator to explore the relationship between relative humidity, air temperature, and dew point.
Find the temperature above Earth's surface at any altitude with our temperature at altitude calculator!
Use the true airspeed calculator to calculate the true airspeed (referred to as TAS) for all aircraft.
Use our virtual temperature calculator to find the density temperature using either known temperatures or the mixing ratio!
With humidity and temperature you can find out the value of the wet-bulb temperature, and if it's any different from the normal air temperature.
The Biot number calculator helps you compute the Biot number that determines how quickly heat transfers from the surface of a body to its interior.
The Boltzmann factor calculator computes a relative probability of two states of a system at thermal equilibrium.
Use this Boyle's law calculator to estimate a gas's pressure and volume in an isothermal process.
With this calorimetry calculator, you can quickly solve constant-pressure calorimetry problems.
The Carnot efficiency calculator finds the efficiency of the Carnot heat engine.
The Charles' law calculator finds a gas's temperature and volume in an isobaric process.
This coefficient of performance calculator determines the coefficient of performance of reversible and irreversible refrigerators and heat pumps.
Use the compressibility factor calculator to chart the behavior of non-ideal gases.
Check the Curie's law calculator to calculate the magnetization of paramagnetic materials, including its dependence on temperature.
Use the effectiveness-NTU calculator to perform either a design calculation or a performance assessment of a heat exchanger.
The electrical mobility calculator explores the Einstein-Smoluchowski relation connecting the random motion of electrons in a wire to their mobility in the presence of a voltage difference.
The enthalpy calculator lets you find the enthalpy of any endothermic or exothermic reaction.
Calculate how quickly a body of water will evaporate given wind speed and humidity using the evaporation rate calculator.
With Gay-Lussac's law calculator, you can quickly work out the pressure and temperature values in an isochoric process.
Determine the heat capacity of a body using Omni's heat capacity calculator.
Calculate heat transfer rates as well as rates for both conduction and convection with this easy-to-use heat transfer calculator.
Estimate the overall heat transfer coefficient for a wall using the heat transfer coefficient calculator.
Use this tool to calculate the density of an ideal gas using the ideal gas law.
Use the ideal gas law calculator to find the pressure, volume, and temperature of a gas.
Determine the properties of fluid flow during an isentropic process using the Isentropic flow calculator.
Use our Joule heating calculator to compute the heat generated by a current-carrying cable.
The latent heat calculator computes the energy released or absorbed during a phase transition like melting or vaporizing.
Determine the logarithmic mean temperature difference using the LMTD calculator.
The mean free path calculator lets you find the mean free path of any particle in an ideal gas.
Use this mixed air calculator to determine the properties of the mixed air stream without using a psychrometric chart.
The mixed air temperature calculator gives you the total temperature of two gases with different temperatures and concentrations.
This Newton's law of cooling calculator lets you find the time it takes for different objects to cool down.
The handy Nusselt number calculator shows you the relation between the length of the convection transfer region, the convection coefficient, and the thermal conductivity of the fluid.
Use the particles velocity calculator to calculate the average velocity of gas particles.
Use the root mean square velocity calculator to find the velocity of a particle in a gas based on the kinetic theory of gases.
Determine the heat required to change an object's temperature using our sensible heat calculator.
Determine the properties of a gas using the specific gas constant calculator.
Find out how much heat is required to warm up a sample with the specific heat calculator.
The thermal conductivity calculator lets you calculate the thermal conductivity of any material or the heat flux through any object.
Estimate the rate of transfer of heat of a material or a substance using the thermal diffusivity calculator.
With the thermal energy calculator, you can estimate the kinetic energy of molecules in an ideal gas.
The thermal equilibrium calculator helps you determine the final temperature at which two objects or systems are in thermal equilibrium.
The thermal expansion calculator finds the change in length or volume of a material subject to extreme temperatures.
Use our thermal resistance calculator to find the thermal resistance of an object for three different shapes: a plate, hollow cylinder, and hollow sphere.
Try this combined gas law calculator to determine the basic properties of the most common thermodynamic processes.
Van der Waals equation calculator finds the relation between volume, pressure, and temperature in a real gas.
Use the water heating calculator to determine how much time and energy you'll need to increase the temperature of the water.
Use the watts to heat calculator to know the power you need to heat a particular substance.
The Bohr model calculator computes the frequency of emitted or absorbed electromagnetic waves at the transition of an electron between the orbits of an atom.
This Compton scattering calculator helps you find the wavelength extension of the photon scattered by any particle.
Use the Compton wavelength calculator to compute the Compton wavelength, a quantum characteristic of any particle.
The Curie constant calculator helps you calculate the Curie constant characterizing magnetic properties of paramagnets.
De Broglie wavelength calculator finds the wavelength corresponding to a particle exhibiting wave-like behavior.
Use this Fermi level calculator to estimate Fermi parameters and explore the Fermi-Dirac statistics.
Learn how to calculate the frequency of light and the regions of the electromagnetic spectrum with this handy tool!
Learn about the Heisenberg uncertainty principle equation and the relationship between the uncertainty of position, momentum, and velocity in quantum mechanics.
The hydrogen energy levels calculator computes the energy levels of hydrogen and hydrogen-like atoms.
Use the magnetic moment calculator to compute the magnetic moment of an atom.
The photoelectric effect calculator computes the kinetic energy of electrons ejected from material by incident light.
The photon energy calculator computes the energy of a single photon from its wavelength or frequency.
You can find the line spectrum of hydrogen-like atoms with this Rydberg equation calculator.
Stefan Boltzmann law calculator uses the temperature and emissivity of a body to find the power radiated from it.
Use Wien's law calculator to find the temperature of any hot object based on its thermal emission spectrum.
Use our buoyancy experiment calculator to estimate the density of dish soap (or an unknown liquid). You'll need to use salt water, a ball, a vessel, a measuring tape, and a weight.
Omni's not-flat Earth calculator helps you perform three experiments that prove the world is round.
Measure the width of your hair using a laser and physics. This hair diffraction calculator will help you set up the experiment, understand the physics behind (hair) diffraction patterns, and, of course, calculate the width of your hair.
The immersed weight calculator helps you understand why objects float or sink in different liquids and guides you through DIY experiments to see firsthand how immersing something in various liquids affects its weight in different ways.
Blast off with this super fun projectile motion experiment calculator! Create a simple launcher and learn the basics of projectile motion.
In this smartphone projector calculator, you will learn how to make your very own DIY smartphone projector with a shoebox and a magnifying glass. Experiment with it and learn how to find the focal length of your magnifying glass lens.
Our sun angle calculator helps you estimate the Sun's position in the sky regarding its elevation and azimuth angles.
Estimate the sunrise and sunset times in your local timezone based on your location using the sunrise sunset calculator.
The cylinder mass moment of inertia calculator is a tool that can help you find out which cylinder/cylindrical shell/ cylindrical tube will run faster in an eventually do it yourself race experiment.
Use our blast radius calculator to estimate non-fragment flying distance outside which no less than one fragment is expected to fly.
The exoplanet travel planner will help you plan your next trip to a foreign planet including food, water, expected exploration time...
The inverse square law calculator will shed light on the propagation of radiating quantities and their peculiar relationship with distance.
The quantum number calculator allows you to list all possible values of quantum numbers for a given electron shell.
How fast are you? The reaction time calculator teaches you a way to measure your reflexes — with physics!
Determine surface tension for liquids using the surface tension calculator.
Use the warp speed calculator to find a Star Trek ship's superluminal velocity, distance, and time travel based on its warp factor.
The 100-ampere wire size calculator will assist you in choosing the proper wire size for your next equipment installation.
The 12 volt wire size calculator will assist you in choosing the proper wire size for your next house installation or battery appliance.
The 220 volt wire size calculator will assist you in choosing the proper wire size for your next house installation.
Use our 24V wire size calculator to know the area, diameter, or AWG of your 24V wire.
Use this 3-phase motor amperage calculator to quickly estimate how much amperage your 3-phase motor draws, given its needed voltage, power rating, power factor, and efficiency.
Use the acceleration due to gravity calculator to determine the value of g at Earth and other planets.
Through the acceleration using force and mass calculator, you can find the acceleration of an object when the force and mass values are known.
The Amp to wire size calculator will help you choose the proper wire size for your next equipment installation.
Calculate angles with ease using our angle of incidence calculator. Perfect for Snell's law and refraction calculations. Try it now!
Our angle of refraction calculator can help you find the bending path of a wave from Snell's law.
Use this tool to calculate the buoyant force of any object submerged or floating in any fluid.
The cube density calculator uses cube weight and one measurement to calculate the density for you.
Learn how to calculate the daylight hours of (almost) any place on Earth with Omni Calculator!
Use our DC Wire Size Calculator to know the wire size needed for your DC electric application.
The density mass volume calculator lets you enter any two of these object properties and calculates the missing value.
Use this density of a cylinder calculator to determine the density of any cylindrical mass.
This density to mass calculator uses the density and volume of an object to calculate its mass.
The density to weight calculator goes from the density of a substance to its weight, given you know its volume.
Have the energy of a wave or photon, and want to find its wavelength? Look no further than the energy to wavelength calculator!
With the free fall distance calculator, you can find the distance of a falling object using time or velocity.
Our free fall height calculator can help you calculate the height an item travels through during a free fall.
With the free fall time calculator you can find the time it will take an object to travel through certain space or reach certain velocity without air resistance.
With the free fall velocity calculator, you can find the velocity of a falling object at any distance or time.
Find out how frequency and wavelength are connected to each other with our frequency to wavelength calculator.
Find the friction coefficient for known normal force and friction using the friction coefficient calculator.
Determine the friction force by the coefficient of friction using the friction force calculator.
This gas density calculator helps you find the type of gas based on the mass and volume entered.
Use our gear ratio RPM calculator to find the speed of your gears in rotations per minute.
The gear ratio speed calculator will determine the speed ratio of your two-gear system, while explaining the concepts of gear ratios along the way.
This grams to cc converter helps you quickly calculate the volume out of mass and density.
Calculate pressure using the ideal gas law with our easy-to-use ideal gas pressure calculator. Accurate results in real time! Try it now.
The ideal gas temperature calculator finds the temperature of an ideal gas given its pressure and volume.
Given the amount and temperature of a gas, this ideal gas volume calculator calculates its volume.
Use this kVA to amperage calculator to find how strong an electric current is at a given apparent power in kVA, whether from a single-phase or 3-phase load distribution.
Use our LC filter calculator to determine the cutoff frequency for a low-pass or high-pass LC filter circuit.
The mass to density calculator will help you calculate the density of an object from its weight if you know its volume.
The Ohm's law current calculator finds the current through an electric system according to the Ohm's law formula.
Understand Ohm's law formula and learn how to calculate power with Ohm's Law using our accurate calculator. Get results instantly!
This Ohm's law resistance calculator finds the resistance according to the Ohm's law formula.
Get into the swing of harmonic motions with the pendulum frequency calculator!
How long is that tick....tock? Learn how to calculate the period of a pendulum with Omnni!
Use our RC filter calculator to determine the cutoff frequency for a low-pass or high-pass RC filter circuit.
Calculate the root mean square speed of an ideal gas.
The sphere density calculator needs either radius or volume and mass of a sphere to calculate the density for you. It can also do the maths all the way around.
P-raise the sun: with our sunrise calculator, you will learn how to find the time of sunrise — to the minute!
Using our sunset calculator, you will never miss the best moment of the day ever again.
The volume to density calculator allows you to convert the volume of a substance to its density if you know its weight (or mass).
The wattage to amperage calculator helps you calculate the voltage or current from power for both DC and AC circuits.
Use the wavelength to energy calculator to determine the energy of a photon given its wavelength.
Our wavelength to frequency calculator is here to help you estimate frequency given the wavelength and vice versa.
Use the wavenumber calculator to determine the wavenumber from the wavelength or frequency and velocity of a wave.