Revolutions per minute
number of rotations around a fixed axis in one minute
Spins per |
RPM |
---|---|
¼ | 15 |
½ | 30 |
1 | 60 |
2 | 120 |
5 | 300 |
10 | 600 |
25 | 1500 |
Revolutions per minute, sometimes called RPM, is a measure of angular frequency. It means the number of times something spins in one minute.
For example, if a wheel spins one time in one second, it is doing 60 RPM, because there is 60 seconds in one minute.