basic

Centripetal Force & Circular Orbit Calculator

F_c = mv²/r — force to maintain circular motion.

Calculates centripetal force, centripetal acceleration, and orbital speed needed for uniform circular motion from mass, radius, and speed or period.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

F_c = mv²/r = mω²r; a_c = v²/r

In depth

Calculates centripetal force, centripetal acceleration, and orbital speed needed for uniform circular motion from mass, radius, and speed or period.