To convert revolutions per hour to kilohertz, multiply by 2.777777778e-7.
The calculation uses 1 rph = 2.777777778e-7 kHz. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in kHz = value in rph × 2.777777778e-7
rph- Input unit: revolutions per hour
kHz- Output unit: kilohertz
How to use this calculator
- Enter a value in rph.
- Multiply by the stored conversion factor.
- Read the result in kHz; divide by the same factor to convert back.
Worked examples
Worked conversion
1 rph × 2.777777778e-7 ≈ 2.777777778e-7 kHz.
Reverse conversion
2.777777778e-7 kHz ÷ 2.777777778e-7 ≈ 1 rph. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 2.777777778e-7 kHz per rph.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
rph to kHz table
| rph | kHz (rounded) |
|---|---|
| 0 | 0 |
| 1 | 2.777777778e-7 |
| 2 | 5.555555556e-7 |
| 5 | 0.000001388888889 |
| 10 | 0.000002777777778 |
| 100 | 0.00002777777778 |
Related calculators
Kilohertz to Revolutions Per Hour ConverterTo convert kilohertz to revolutions per hour, multiply by 3600000.Revolutions Per Hour to Megahertz ConverterTo convert revolutions per hour to megahertz, multiply by 2.777777778e-10.Revolutions Per Hour to Hertz ConverterTo convert revolutions per hour to hertz, multiply by 0.0002777777778.Revolutions Per Hour to Gigahertz ConverterTo convert revolutions per hour to gigahertz, multiply by 2.777777778e-13.Degrees Per Second to Terahertz ConverterTo convert degrees per second to terahertz, multiply by 2.777777778e-15.Beats Per Minute to Hertz ConverterTo convert bpm to hertz, multiply by 0.01666666667.