Kinetic Energy of an 80 kg Cyclist at 10 m/s

An 80 kg cyclist traveling at 10 m/s (36 km/h) has a kinetic energy of 4,000 J.

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How to use this tool

Enter mass and speed in the fields above.
Results update instantly as you type — or click Calculate.
Read your kinetic energy and the full breakdown beneath it.

Find the kinetic energy of a cyclist riding at a brisk 36 km/h — relevant for crash safety analysis.

Frequently asked questions

Why does speed have a larger effect than mass?: Because speed is squared. Doubling mass doubles KE; doubling speed quadruples it.
How do I convert km/h to m/s?: Divide by 3.6. For example, 90 km/h = 25 m/s.