What is the Centripetal Force Calculator?
Calculate the centripetal force and acceleration of an object moving in a circle.
Enter mass, speed and radius and the Centripetal Force Calculator returns centripetal force and centripetal acceleration. Results update as you type, and nothing you enter leaves your device.
How it is calculated
F = m × v² ÷ r
How to use it
- Enter mass in kg.
- Enter speed in m/s.
- Enter radius in m.
- Read centripetal force in the results panel. It updates as you type.
- Change any value to compare scenarios, or use Share to send the result as a link.
Worked example
Common questions
What formula does the Centripetal Force Calculator use?
It uses: F = m × v² ÷ r.
What do I need to use the Centripetal Force Calculator?
You need mass, speed and radius. Sensible starting values are filled in so you can see how it works straight away.
Is the Centripetal Force Calculator free, and is my data stored?
It is free with no sign-up. The calculation runs in your browser, so the values you enter are not sent to or stored on our server.