Revolutions per minute to Hertz
Type a value in Revolutions per minute and get the result in Hertz, calculated exactly.
2,400 Revolutions per minute = 40 Hertz
Precision
Exact factorThis result is exact.
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Formula
Hz = rpm ÷ 60
To convert Revolutions per minute to Hertz, divide the value by 60.
Worked examples
- 1 rpm ÷ 60 ≈ 0.01666666667 Hz
- 2,400 rpm ÷ 60 = 40 Hz
- 100 rpm ÷ 60 ≈ 1.666666667 Hz
This factor is exact by definition.
Conversion table
| Revolutions per minute (rpm) | Hertz (Hz) |
|---|---|
| 1 | ≈ 0.01666667 |
| 2 | ≈ 0.03333333 |
| 3 | 0.05 |
| 4 | ≈ 0.06666667 |
| 5 | ≈ 0.08333333 |
| 6 | 0.1 |
| 7 | ≈ 0.1166667 |
| 8 | ≈ 0.1333333 |
| 9 | 0.15 |
| 10 | ≈ 0.1666667 |
| 15 | 0.25 |
| 20 | ≈ 0.3333333 |
| 25 | ≈ 0.4166667 |
| 30 | 0.5 |
| 40 | ≈ 0.6666667 |
| 50 | ≈ 0.8333333 |
| 60 | 1 |
| 70 | ≈ 1.166667 |
| 75 | 1.25 |
| 80 | ≈ 1.333333 |
| 90 | 1.5 |
| 100 | ≈ 1.666667 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Hertz to Revolutions per minute
| Hertz (Hz) | Revolutions per minute (rpm) |
|---|---|
| 1 | 60 |
| 2 | 120 |
| 3 | 180 |
| 4 | 240 |
| 5 | 300 |
| 6 | 360 |
| 7 | 420 |
| 8 | 480 |
| 9 | 540 |
| 10 | 600 |
| 15 | 900 |
| 20 | 1,200 |
| 25 | 1,500 |
| 30 | 1,800 |
| 40 | 2,400 |
| 50 | 3,000 |
| 60 | 3,600 |
| 70 | 4,200 |
| 75 | 4,500 |
| 80 | 4,800 |
| 90 | 5,400 |
| 100 | 6,000 |
Unit definitions
- Revolutions per minute rpm
- One full turn per minute: exactly 1/60 of a hertz.
- Hertz Hz
- The SI unit of frequency: one cycle per second.
Questions people ask
Revolutions per minute to Hertz: what is the conversion factor?
One rpm is ≈ 0.01666666667 Hz.
How do I convert Revolutions per minute to Hertz?
Use the formula above. For example, 2,400 rpm = 40 Hz.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.