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Centripetal Force Calculator

Find the inward net force required for circular motion at the entered speed and radius.

Enter your values

kg
m/s
m

Use a decimal point, without thousands separators.

Example result
Centripetal force
16.66666667 N

The initial result uses the example values. Enter your own values and calculate again.

Edit inputs

How it works

Find the inward net force required for circular motion at the entered speed and radius.

F = mv²/r

Worked example

Show example inputs and result

Mass: 2 · Speed: 5 · Path radius: 3.

Centripetal force
16.66666667 N

Questions and answers

Why are some results rounded?

Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.

Are my inputs sent to a server?

The calculator processes inputs in your browser. Its code does not send your values to a server.

Method reviewed: October 8, 2026 · Methods & accuracy

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