20 Revolutions Per Minute to Hertz

20 rpm ≈ 0.33333 Hz

Calculation: Hz = 20 rpm × 0.0166667 ≈ 0.33333 Hz

Revolution Per Minute to Hertz Converter

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How high is 20 rpm?

20 revolution per minute (0.3333 Hz) is comparable to the rhythm of a human heartbeat at rest.

What does 20 rpm look like?

Illustration of a heart with ECG line
20 revolution per minute (0.3333 Hz) is comparable to the rhythm of a human heartbeat at rest.

How to Convert Revolution Per Minute to Hertz

1 revolution per minute = 0.0166667 hertz exact

Hertz = Revolution Per Minute × 0.0166667

Example: 20 rpm × 0.0166667 = 13 Hz

Reverse Conversion

To convert hertz back to revolutions per minute:

  • Remember, 1 hertz equals 60 revolutions per minute.
  • To convert 13 Hz to rpm, multiply 13 x 60, resulting in 20 rpm.

exact This conversion factor is exact by international definition.

20 rpm is also equal to:

  • 0.00033333 kilohertz
About these units

Revolution per minute: Unit of rotational frequency; number of complete revolutions per minute.

Hertz: SI unit of frequency; one cycle (or event) per second. Symbol: Hz = s⁻¹

Frequently Asked Questions

How much is 20 revolutions per minute in hertz?

20 revolutions per minute equals 0.33333 hertz. This is calculated by multiplying 20 by the conversion factor 0.0166667.

What does 20 revolutions per minute look like in hertz?

20 revolutions per minute (0.33333 hertz) is a slow rotation — a washing machine drum or a record player (33/45 RPM).

How do you calculate 20 revolutions per minute to hertz?

Multiply 20 by the conversion factor 0.0166667. The calculation is 20 × 0.0166667 = 0.33333 hertz. This factor is defined by international measurement standards.

Share This Calculation

20 revolutions per minute = 0.333333 hertz
20 revolutions per minute = 0.333333 hertz — conversion chart

Nearby Conversions

10 revolutions per minute0.1667 hertz 30 revolutions per minute0.5 hertz 40 revolutions per minute0.6667 hertz 50 revolutions per minute0.8333 hertz 60 revolutions per minute1 hertz 70 revolutions per minute1.167 hertz 80 revolutions per minute1.333 hertz 90 revolutions per minute1.5 hertz 100 revolutions per minute1.667 hertz 110 revolutions per minute1.833 hertz 120 revolutions per minute2 hertz

For general conversions between revolutions per minute and hertz, see the revolutions per minute to hertz converter.

Also convert Revolutions Per Minute to:

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 Hz = 1/s by definition (SI, BIPM). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.