1 hertz = 0.001 kilohertz
Convert hertz to kilohertz.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
kHz = Hz × 0.001
Worked through with a real value: 10 hertz = 0.01 kilohertz.
Going the other way: Hz = kHz × 1000, so 1 kilohertz = 1000 hertz.
What each unit is
- hertz Hz
- The SI base unit of frequency, equal to one event per second. Used for radio waves, audio frequencies, and computer clock speeds.
- kilohertz kHz
- A thousand hertz, the frequency band for AM radio and older audio equipment.
Where these come from
- 1 kilohertz = 1000 hertz
Every other number on this page is computed from those, and each category is pinned to conversions worked out by hand from the units' primary definitions before it ships.
Conversion tables
| hertz (Hz) | kilohertz (kHz) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 6 | 0.006 |
| 7 | 0.007 |
| 8 | 0.008 |
| 9 | 0.009 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| kilohertz (kHz) | hertz (Hz) |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 3 | 3000 |
| 4 | 4000 |
| 5 | 5000 |
| 6 | 6000 |
| 7 | 7000 |
| 8 | 8000 |
| 9 | 9000 |
| 10 | 10000 |
| 20 | 20000 |
| 25 | 25000 |
| 50 | 50000 |
| 75 | 75000 |
| 100 | 100000 |
Questions
How many kilohertz are in a hertz?
1 hertz = 0.001 kilohertz.
How do I convert hertz to kilohertz?
Use kHz = Hz × 0.001. For example, 10 hertz = 0.01 kilohertz.
How many hertz are in one kilohertz?
1 kilohertz = 1000 hertz.
What is 10 hertz in kilohertz?
10 hertz = 0.01 kilohertz.
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