RPM to RPS
Convert revolutions per minute into revolutions per second for motion analysis and rotating equipment checks.
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Conversion Formula
Conversion Examples
RPM to RPS Table
| Revolutions per Minute | Revolutions per Second |
|---|---|
| 1 | 0.01666667 |
| 10 | 0.16666667 |
| 30 | 0.5 |
| 60 | 1 |
| 120 | 2 |
| 300 | 5 |
| 600 | 10 |
| 900 | 15 |
| 1,200 | 20 |
| 1,800 | 30 |
| 2,400 | 40 |
| 3,600 | 60 |
Popular Conversions
- 30 revolutions per minute = 0.5 revolutions per second
- 60 revolutions per minute = 1 revolutions per second
- 120 revolutions per minute = 2 revolutions per second
- 300 revolutions per minute = 5 revolutions per second
- 600 revolutions per minute = 10 revolutions per second
- 900 revolutions per minute = 15 revolutions per second
- 1,200 revolutions per minute = 20 revolutions per second
- 1,800 revolutions per minute = 30 revolutions per second
What is Revolutions per Minute and Revolutions per Second?
Revolutions per Minute
Definition: Revolutions per minute show how many full turns happen in one minute.
History/origin: RPM became common with engines, motors, gears, and mechanical equipment.
Current use: RPM is used for vehicles, fans, tools, records, and rotating machinery.
Revolutions per Second
Definition: Revolutions per second show how many full turns happen in one second.
History/origin: It is a direct rotational-rate unit used when per-second timing is more helpful than per-minute timing.
Current use: RPS appears in technical motion work, motors, and engineering calculations.
Related Time Unit Conversions
RPM and RPS are two direct ways to state the same turning rate in different time bases.
| From RPM To | Conversion Factor | Formula |
|---|---|---|
| RPS | ÷ 60 | RPS = RPM ÷ 60 |
| Hertz | ÷ 60 | Hz = RPM ÷ 60 |
| rad/s | × 2π ÷ 60 | rad/s = RPM × 2π ÷ 60 |
| Angular Velocity | × 2π ÷ 60 | Angular Velocity = RPM × 2π ÷ 60 |
| Period | 60 ÷ RPM | Period = 60 ÷ RPM |
| Degrees per Second | × 6 | deg/s = RPM × 6 |
| Cycles per Minute | same value | RPM is already cycles per minute |
| Wheel speed to MPH | needs diameter | MPH requires RPM plus wheel circumference |
Typical Use Cases
Frequently Asked Questions
Q: How is RPM to RPS different from a simple per-minute count?
A: This converter still starts with turns per minute, but it changes that motion into another rotational format so it matches the unit expected by the next formula, sensor, or machine setting.
Q: What does 60 revolutions per minute become in Revolutions per Second?
A: 60 revolutions per minute equals 1 revolutions per second, which gives you a quick motor-speed checkpoint before you move on to larger values.
Q: When do people need this rotational conversion?
A: It is common in motor setup, controls, machinery, drivetrain work, vibration checks, and physics problems that move between different descriptions of the same spin rate.
Q: Why does the unit name change even though the motion is the same?
A: The physical motion is the same, but different tools describe it differently. One page may want turns per minute, another may want turns per second, radians per second, or frequency.
Q: How do I reverse the conversion from Revolutions per Second back to Revolutions per Minute?
A: RPM = RPS × 60. Use the reverse formula whenever your input already starts in the target rotational unit.
Q: Is this result exact or rounded?
A: The underlying conversion factor is fixed. The converter may round the displayed decimal, but the relationship does not change.