Skip to contentPhysics Calculators
- Acceleration CalculatorEnter the starting and final speed and the time taken to find the acceleration.
- Angular Velocity CalculatorEnter a rotation speed in any unit to see it in all the others.
- Centripetal Force CalculatorEnter the mass, speed and radius of the circle to find the inward force.
- Crosswind CalculatorResolve wind into crosswind and headwind or tailwind components, compare an aircraft limit and view the reciprocal runway diagram.
- Density, Mass and Volume CalculatorFill in any two of mass, volume and density, and leave the third blank.
- Velocity CalculatorEnter the starting velocity, the acceleration and the time to find the final velocity.
- Force CalculatorFill in any two of mass, acceleration and force, and leave the third blank. The calculator finds the missing one.
- Free Fall CalculatorFill in either the height or the time of the fall, and leave the other blank.
- Gear Ratio CalculatorEnter the teeth on the driving and driven gears and the input speed.
- Gravitational Force CalculatorEnter two masses and the distance between their centres to find the force of attraction.
- Hooke’s Law CalculatorFill in any two of spring constant, extension and force, and leave the third blank.
- Kinetic Energy CalculatorEnter the mass and speed of a moving object to find its kinetic energy.
- Momentum CalculatorEnter the mass and speed of an object to find its momentum.
- Moon Phase CalculatorPick a date. The default is today.
- Pendulum CalculatorFill in the length or the period of a pendulum, and leave the other blank.
- Potential Energy CalculatorEnter the mass of an object and how high it is lifted to find its gravitational potential energy.
- Projectile Motion CalculatorEnter the launch speed, the launch angle and the starting height.
- Relative Humidity CalculatorEnter the air temperature and the dew point temperature.
- Snell’s Law CalculatorEnter the refractive index of both materials and the angle of the incoming ray.
- Specific Heat CalculatorChoose a material, a mass and the temperatures to find the heat energy needed.
- Speed, Distance and Time CalculatorFill in any two of distance, speed and time, and leave the third blank. The calculator works out the missing one.
- Sunrise and Sunset TimesPick a date and a city. Advanced: enter latitude and longitude instead.
- SUVAT CalculatorFill in any three of s, u, v, a and t, and leave the other two blank.
- Torque CalculatorEnter a force, the distance from the pivot and the angle to find the torque.
- Wavelength CalculatorEnter a frequency to find the wavelength of a light, radio or sound wave.
- Wet Bulb Temperature CalculatorEnter the air temperature and the relative humidity.
- Work Calculator (Physics)Enter the force, the distance and the angle to find the work done.