Revolutions per Minute
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Rotational frequency (1/60 Hz)
About Revolutions per Minute (rpm)
Revolutions per minute measures rotational speed and is ubiquitous in mechanical engineering. Car engines idle at 600-1,000 RPM and redline at 6,000-9,000 RPM, hard disk drives spin at 5,400 or 7,200 RPM, and washing machine spin cycles reach 800-1,600 RPM.
- Category
- Frequency
- Symbol
- rpm
- Also known as
- RPM rev/min
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Frequently Asked Questions
What is a Revolutions per Minute (rpm)?
Rotational frequency (1/60 Hz)
How many Hertz (Hz) are in one Revolutions per Minute (rpm)?
One Revolutions per Minute (rpm) equals 0.016667 Hertz (Hz).
How many Kilohertz (kHz) are in one Revolutions per Minute (rpm)?
One Revolutions per Minute (rpm) equals 0.0000166667 Kilohertz (kHz).
How many Megahertz (MHz) are in one Revolutions per Minute (rpm)?
One Revolutions per Minute (rpm) equals 1.666667 × 10⁻⁸ Megahertz (MHz).
How do I convert Revolutions per Minute to Hertz?
To convert Revolutions per Minute to Hertz, multiply the value by 0.016667 (1 rpm = 0.016667 Hz).