Megahertz to Kilohertz
Convert megahertz to kilohertz instantly — one megahertz is 1000 kilohertz.
| Megahertz | Kilohertz |
|---|---|
| 1 MHz | 1000 kHz |
| 2 MHz | 2000 kHz |
| 3 MHz | 3000 kHz |
| 5 MHz | 5000 kHz |
| 10 MHz | 10000 kHz |
| 25 MHz | 25000 kHz |
| 50 MHz | 50000 kHz |
| 100 MHz | 100000 kHz |
How to use
- Enter a value in the Megahertz field.
- The Kilohertz figure appears immediately — no button to press.
- Typing in the Kilohertz field converts back to Megahertz the same way.
- Use the reference table for the values that come up most often.
Megahertz to Kilohertz formula
Converting megahertz to kilohertz is a single multiplication by 1000.
kHz = MHz × 1000
Put another way, one megahertz is exactly 1,000 kilohertz.
Why this factor: the megahertz and the kilohertz are both defined against the hertz, so dividing one definition by the other gives 1000 directly. Both definitions are set out in full below.
To go the other way, divide by 1000 — or use the Kilohertz to Megahertz converter, which is the same calculation reversed.
Worked example
Given 1000 MHz, multiplying by 1000 yields 1000000 kHz.
1000 MHz × 1000 = 1000000 kHz
The converter above does this for any value you type, in either direction.
What is a megahertz?
A megahertz is one million cycles per second.
Definition: Exactly 1×10⁶ hertz.
Where it is used: FM radio and broadcast bands, memory clock speeds, and radio communications.
What is a kilohertz?
A kilohertz is 1,000 cycles per second.
Definition: Exactly 1,000 hertz.
Where it is used: AM radio frequencies, audio sample rates (44.1 kHz for CD audio), and ultrasonic ranges.
Megahertz vs Kilohertz
The megahertz and the kilohertz belong to the same family of units, so converting between them is usually a matter of shifting a decimal point or applying a small whole-number factor.
Frequently asked questions
How many kilohertz are in a megahertz?
One megahertz equals 1000 kilohertz.
What is the formula to convert megahertz to kilohertz?
Multiply the number of megahertz by 1000. To reverse it, divide by 1000 instead.
How do I convert kilohertz back to megahertz?
Divide by 1000, which is the same as multiplying by 0.001.
How many kilohertz are in 10 megahertz?
10 MHz works out to 10000 kHz.
How is the megahertz defined?
Exactly 1×10⁶ hertz.