Centripetal Force Calculator

Calculate centripetal force, acceleration, and velocity.

Enter Parameters

Select what to solve for

Solve For

Mass (m)

Velocity (v)

Radius (r)

Centripetal Force (F)

Enter your values above to see the result.

Centripetal Acceleration (a = v²/r)

Centripetal Formulas

F = mv²/r
a = v²/r
v = √(F·r/m)
r = mv²/F

F: centripetal force (N)
m: mass (kg)
v: velocity (m/s)
r: radius of circular path (m)
a: centripetal acceleration (m/s²)

Related Calculators

Real-World Examples

Car turning: friction provides centripetal force

Satellite orbit: gravity is the centripetal force

Rollercoaster loop: normal force + gravity

Pro Tips

Results update as you type — change any field to see the effect immediately.

Check that every value uses the same unit before comparing results.

Use the copy button to paste the centripetal force figures into a note or spreadsheet.

Nothing is sent to a server, so you can use this with private figures.