Mass from Kinetic Energy Calculator

How to use this calculator

Enter Kinetic energy, Speed. The calculator applies the stated relationship and keeps full precision until the displayed result is formatted.

Formula and method

m = 2 KE / v^2

The calculator uses the values you enter and evaluates this relationship with standard real-number arithmetic. Intermediate values keep full floating-point precision before the displayed result is formatted.

Worked example

Using the example values already filled into the calculator gives Mass = 10 kg. Change any input to calculate your own result.

Assumptions and limitations

Uses real-number arithmetic and the units stated beside each input. Results are estimates when the inputs are estimates.

Verify important decisions independently and see our methods and limitations.