Reference sheet
Frequency conversion chart
Hz, kHz, rpm, rad/s. Factors are given to 7 significant figures; open the converter for full precision and the worked solution.
| Unit | In Hz | 1 Hz in unit |
|---|---|---|
| hertz (Hz) | 1 Hz | 1 Hz |
| kilohertz (kHz) | 1,000 Hz | 0.001 kHz |
| megahertz (MHz) | 1,000,000 Hz | 0.000001 MHz |
| gigahertz (GHz) | 1,000,000,000 Hz | GHz |
| revolution per minute (rpm) | 0.01666667 Hz | 60 rpm |
| radian per second (rad/s) | 0.1591549 Hz | 6.283185 rad/s |
| rpm | Hz |
|---|---|
| 0.1 rpm | 0.001666667 Hz |
| 0.5 rpm | 0.008333333 Hz |
| 1 rpm | 0.01666667 Hz |
| 2 rpm | 0.03333333 Hz |
| 5 rpm | 0.08333333 Hz |
| 10 rpm | 0.1666667 Hz |
| 20 rpm | 0.3333333 Hz |
| 25 rpm | 0.4166667 Hz |
| 50 rpm | 0.8333333 Hz |
| 100 rpm | 1.666667 Hz |
| 250 rpm | 4.166667 Hz |
| 500 rpm | 8.333333 Hz |
| 1,000 rpm | 16.66667 Hz |
| Hz | rpm |
|---|---|
| 0.1 Hz | 6 rpm |
| 0.5 Hz | 30 rpm |
| 1 Hz | 60 rpm |
| 2 Hz | 120 rpm |
| 5 Hz | 300 rpm |
| 10 Hz | 600 rpm |
| 20 Hz | 1,200 rpm |
| 25 Hz | 1,500 rpm |
| 50 Hz | 3,000 rpm |
| 100 Hz | 6,000 rpm |
| 250 Hz | 15,000 rpm |
| 500 Hz | 30,000 rpm |
| 1,000 Hz | 60,000 rpm |
Formula: Hz = rpm ÷ 60
Need another value? Use the rpm to Hz converter or the frequency converter.
Unitglide · unitglide.app/reference/frequency · Factors from NIST SP 811, NIST Handbook 44 and the BIPM SI Brochure (9th ed.). Values rounded to 7 significant figures unless exact.