Kinetic Energy: 1,000 kg Car at 30 m/s
A 1,000 kg car traveling at 30 m/s has a kinetic energy of 450,000 joules (450 kJ).
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.
Calculate the kinetic energy of a typical 1,000 kg car moving at 30 m/s (about 108 km/h).
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.