HomeUnit Conversion › Megahertz to Kilohertz

Megahertz to Kilohertz (MHz to kHz)

Convert megahertz to kilohertz: 1 MHz = 1000 kHz. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.

Formula

1 MHz = 1000 kHz

kilohertz = megahertz × 1000 — reverse: megahertz = kilohertz × 0.001

The factor is derived from the SI definitions of both units (base unit: Hz) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.

Worked examples

Megahertz to kilohertz conversion table

Megahertz (MHz)Kilohertz (kHz)
11000
22000
33000
44000
55000
66000
77000
88000
99000
1010000
1515000
2020000
2525000
3030000
4040000
5050000
7575000
100100000
200200000
250250000
500500000
10001000000

FAQ

How many kilohertz are in one megahertz?

1 MHz = 1000 kHz. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.

What is the formula to convert megahertz to kilohertz?

Multiply the value in megahertz by 1000: kilohertz = megahertz × 1000. For example, 5 MHz = 5000 kHz.

How do I convert kilohertz back to megahertz?

Multiply by the inverse factor 0.001 (megahertz = kilohertz × 0.001), or use the kilohertz-to-megahertz page.

Related conversions

Machine access

Sources