Physics Calculators
Classical mechanics, energy, waves, thermodynamics and fluids — each with the formula it uses and SI units throughout.
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Speed Distance Time CalculatorSolve for speed, distance or time.
Acceleration CalculatorAcceleration from velocity change and time — or solve for any term.
Force CalculatorNewton’s second law: force, mass or acceleration.
Momentum CalculatorLinear momentum from mass and velocity.
Kinetic Energy CalculatorKinetic energy from mass and speed — or solve for either.
Potential Energy CalculatorGravitational potential energy from mass and height.
Projectile Motion CalculatorRange, flight time and max height of a projectile.
Free Fall CalculatorFall time and impact speed from height (or height from time).
Centripetal Force CalculatorCentripetal force and acceleration for circular motion.
Density CalculatorDensity, mass or volume — solve for any one.
Pressure CalculatorPressure from force and area, with unit conversions.
Work CalculatorWork done by a force over a distance.
Mechanical Power CalculatorPower from work and time, in watts and horsepower.
Wavelength & Frequency CalculatorConvert frequency and wavelength for light, radio and sound.
Ideal Gas Law CalculatorSolve PV = nRT for pressure, volume, moles or temperature.
Heat Energy CalculatorHeat needed to change a material’s temperature (Q = mcΔT).
Thermal Expansion CalculatorHow much a material expands with temperature.
Dew Point CalculatorDew point from temperature and relative humidity.
Wind Chill Calculator“Feels like” temperature in cold wind, with frostbite risk.
Reynolds Number CalculatorReynolds number and flow regime (laminar or turbulent).
Flow Rate CalculatorVolumetric flow from pipe size and velocity, or volume and time.
Hydrostatic Pressure CalculatorPressure at depth in water or any fluid.