About this tool: Kinetic Energy Calculator
Calculate kinetic energy and momentum from mass in kilograms and speed in metres per second.
Mass must be in kilograms and speed in metres per second. Kinetic energy grows with the square of speed, while momentum grows linearly. The calculator uses classical mechanics; it is not a relativistic energy model for speeds close to the speed of light.
How the calculation works
Worked example
| Mass, kg | 10 |
| Speed, m/s | 5 |
E = 125 J; p = 50 kg·m/s
Questions and answers
What does this tool do?
Calculate kinetic energy and momentum from mass in kilograms and speed in metres per second. Mass must be in kilograms and speed in metres per second. Kinetic energy grows with the square of speed, while momentum grows linearly. The calculator uses classical mechanics; it is not a relativistic energy model for speeds close to the speed of light.
What affects precision and input format?
Floating-point results are rounded for display. Keep the units shown in the input labels; decimal points and decimal commas are accepted.
Where are the calculations performed?
The calculation runs in your browser. You can use the tool without installing software.
Asted Cloud
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