Rpm

mph
inches

Calculate RPM from speed and wheel circumference.

Formula

RPM = Speed(ft/min) / Circumference(ft) = speed×5280×12 / (π×dia×60)
  • RPM = Speed(ft/min) / Circumference(ft) = speed×5280×12 / (π×dia×60)

Rpm

Rpm calculation.

Frequently asked questions

How is Rpm calculated?
RPM = Speed(ft/min) / Circumference(ft) = speed×5280×12 / (π×dia×60)