±Free
Kinetic energy and momentum
Use classical mechanics to compute ½mv² and momentum; assumes nonrelativistic speeds.
Enter a positive mass in kilograms and a nonnegative speed in meters per second. The calculator returns kinetic energy in joules and the scalar momentum magnitude in kg·m/s.
How to use
- Enter your text, values, or image.
- Adjust the options and run the tool.
- Copy or download your result.
Worked example
Example input
Mass (kg): 2 Speed (m/s): 3
Example result
{
"energyJoules": 9,
"momentumKgMetersPerSecond": 6
}Limitations and details
Uses nonrelativistic formulas and limits speed to 10⁷ m/s; no vector direction, rotation or relativistic correction is included.
Inputs and options
- Mass (kg)
- Number
- Speed (m/s)
- Number
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.