RPM to kHz Converter
Quick answer: To convert RPM to kHz, multiply by 0.00001666667. For example, 10 rpm is 0.0001666667 kHz. One revolution per minute equals 0.00001666667 kHz.
- Calculator
- Formula
- Examples
- Size compared
- About the units
- Where used
- Step by step
- Popular conversions
- Reading your result
- Mistakes
- FAQ
- Related tools
- Method
Use the RPM to kHz Converter
RPM to kHz formula and what each symbol means
kHz = rpm × 0.00001666667
| Symbol | Meaning |
|---|---|
| rpm | Revolution per minute |
| kHz | Kilohertz |
RPM to kHz examples
1 rpm
1 rpm × 0.00001666667 = 0.00001666667 kHz.
10 rpm
10 rpm × 0.00001666667 = 0.0001666667 kHz.
100 rpm
100 rpm × 0.00001666667 = 0.001666667 kHz.
RPM compared with kHz
One kHz is 60,000 times as large as one rpm, so your number gets smaller when you convert RPM to kHz and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About RPM and kHz
Revolution per minute (rpm): Revolutions per minute, 1/60 Hz. Kilohertz (kHz): 1,000 hertz.
Where RPM to kHz conversions are used
Engines, motors and turbines are rated in revolutions per minute (rpm). Audio and mains electricity use hertz: 50 Hz or 60 Hz mains, 20 Hz to 20 kHz hearing.
How to calculate RPM to kHz step by step
- Enter the value in rpm (the starting unit).
- Multiply by 0.00001666667, because 1 rpm = 0.00001666667 kHz.
- The product is the value in kHz. To go back, divide by 0.00001666667 or multiply by 60,000.
Popular frequency conversions
How to read your RPM to kHz result
Quick estimate: multiply by about 0.000017 to get kHz from RPM; this is within 2.0% of the exact factor. Rotational speed in rpm converts to hertz by dividing by 60, so 3,000 rpm is 50 Hz.
| RPM | KHZ |
|---|---|
| 1 | 0.00001666667 |
| 2 | 0.00003333333 |
| 5 | 0.00008333333 |
| 10 | 0.0001666667 |
| 20 | 0.0003333333 |
| 50 | 0.0008333333 |
| 100 | 0.001666667 |
| 1,000 | 0.01666667 |
kHz to RPM: quick table
| KHZ | RPM |
|---|---|
| 1 | 60,000 |
| 5 | 300,000 |
| 10 | 600,000 |
| 25 | 1,500,000 |
| 50 | 3,000,000 |
| 100 | 6,000,000 |
| 250 | 15,000,000 |
| 500 | 30,000,000 |
Common mistakes when calculating RPM to kHz
- Forgetting to divide rpm by 60.
- Dividing when you should multiply: from rpm to kHz multiply by 0.00001666667; from kHz to rpm divide by 0.00001666667.
RPM to kHz FAQ
How many kHz are in 1 rpm?
1 rpm equals 0.00001666667 kHz.
How many rpm are in 1 kHz?
1 kHz equals 60,000 rpm.
Is 1 rpm = 0.00001666667 kHz an exact conversion?
The factor is shown rounded to 7 significant figures (0.00001666667). The calculator above uses more digits.
What is a kilohertz (kHz)?
1,000 hertz.
How can I estimate RPM to kHz in my head?
Quick estimate: multiply by about 0.000017 to get kHz from RPM; this is within 2.0% of the exact factor.
What is 80 rpm in kHz?
80 rpm = 0.001333333 kHz (since 80 × 0.00001666667).
What is 500 rpm in kHz?
500 rpm = 0.008333333 kHz (since 500 × 0.00001666667).
What is 15 rpm in kHz?
15 rpm = 0.00025 kHz (since 15 × 0.00001666667).
How many decimals should I keep when converting rpm to kHz?
Match the precision of your original measurement. For example, 0.0001666667 kHz rounds to 0.000167 kHz at 3 significant figures; keep more digits only for engineering or scientific work.
More in Frequency converters
- MHz to RPM Converter
- GHz to kHz Converter
- MHz to kHz Converter
- GHz to MHz Converter
- MHz to Hertz Converter
- GHz to RPM Converter
See all frequency converters tools · All Conversion calculators · Site map
Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: BIPM: the SI derived units