Momentum Calculator

Physics guide

How to use the Momentum Calculator

Calculate momentum and kinetic energy from mass and velocity. The page also explains the momentum formula and shows a practical example: 80 kg at 10 m/s has momentum 800 kg m/s.

  1. 1

    Enter your details

    Enter mass and velocity, then complete any other fields shown in the calculator.

  2. 2

    Check the calculation

    Review the result alongside the momentum formula: Momentum = mass x velocity.

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the momentum Calculator result before you use the estimate.