Centripetal Force Calculator

Enter mass, tangential speed, and radius to calculate inward acceleration, force, angular speed, and RPM.

Mass

Tangential speed

Radius

—centripetal m/s²

—force N

—angular rad/s

—RPM

—a = v²/r · F = mv²/r

These are idealized classical-physics calculations. Real systems can differ because of air resistance, friction, deformation, measurement uncertainty, non-constant forces, or other effects not included in the selected model.

How to use this Centripetal Force Calculator

Calculate centripetal acceleration and force for circular motion. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.