FORMULA
How to convert
Hz = rpm × 0.016666666667Example: 10 rpm = 0.16666667 Hz.
RPM → HZ
Revolutions Per Minute to Hertz
Convert revolutions per minute to hertz with an exact, deterministic calculation.
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1 rpm = 0.016666666667 Hz
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QUICK ANSWER
1 Revolution per minute
0.016666666667 Hz
REFERENCE TABLE
Revolution per minute to Hertz
| revolutions per minute | hertz |
|---|---|
| 1 rpm | 0.01666667 Hz |
| 5 rpm | 0.08333333 Hz |
| 10 rpm | 0.16666667 Hz |
| 25 rpm | 0.41666667 Hz |
| 50 rpm | 0.83333333 Hz |
| 100 rpm | 1.66666667 Hz |
ABOUT THIS CONVERSION
Convert revolutions per minute to hertz
This page converts revolutions per minute (rpm) to hertz (Hz). Convertor4U first interprets the input using Revolution per minute's definition, then expresses the same quantity in Hertz. The result is calculated from the stored factor and offset definitions, not from a rounded lookup table.
Real-world example
For comparing rotation, audio, radio, processor, or repeating-event rates, an input of 60 rpm converts to 1 Hz. Keep extra digits while calculating, then round only the final value to the precision the task actually needs.
Rounding and precision
Use the resolution of the measuring instrument or specification. Audio and radio values may be rounded for labels, while control-system calculations may require additional digits for phase and timing work.
Regional context
Electrical mains frequency is commonly 50 or 60 Hz depending on the grid, but that is a system property rather than a unit difference. SI prefixes remain consistent internationally.
Common mistake
Radians per second is angular frequency; converting it to hertz requires the 2π relationship.
Editorial method
Definitions and sources are listed below. Calculations retain more precision than the default display and round only for presentation.
USEFUL ANSWERS
rpm to Hz FAQs
How do I convert revolutions per minute to hertz?
Enter the rpm value in the calculator. It applies the stored factor and offset definitions and returns the equivalent in Hz; the formula and common-value table are shown on this page.
Is the rpm to Hz conversion exact?
Defined measurement relationships are calculated with decimal arithmetic from stored standards. The displayed answer may be rounded for readability. Currency results instead depend on the dated reference rate shown.
How many decimal places should I keep?
Use the resolution of the measuring instrument or specification. Audio and radio values may be rounded for labels, while control-system calculations may require additional digits for phase and timing work.
What should I check before using the result?
Radians per second is angular frequency; converting it to hertz requires the 2π relationship.
FROM UNIT
Revolution per minute
One revolution per minute (rpm) equals .01666666666666666667 hertz units (Hz) in the converter's reference scale. It expresses repeating events or angular cycles per unit time.
BIPM SI Brochure and exact international definitions ↗Definition verified 14 August 2026TO UNIT
Hertz
The Hertz (Hz) is the reference unit for this frequency category. It expresses repeating events or angular cycles per unit time.
BIPM SI Brochure and exact international definitions ↗Definition verified 14 August 2026Content reviewed by Convertor4U Editorial Team · 16 August 2026 · Report an error on this page