Revolutions per minute

Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or r⋅min−1) is a unit of rotational speed or rotational frequency for rotating machines.

For other uses, see Revolutions per minute (disambiguation).
"rpm" redirects here. For other uses, see rpm (disambiguation).
Revolutions per minute
Unit ofRotational speed
Symbolrpm or r/min
Conversions
1 rpm in ...... is equal to ...
   SI units   2π/60 rad s−1 = 0.1047 rad s−1
Revolution per minute
Unit ofRotational frequency
Symbolrpm or r/min
Conversions
1 rpm in ...... is equal to ...
   SI units   1/60 Hz = 0.016 Hz
   SI base units   0.016 s−1
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This article uses material from the Wikipedia article Revolutions per minute, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.