How do I convert MHz to GHz?

To convert MHz to GHz, multiply by 0.001. Or use the calculator above for instant results.

Is the MHz to GHz converter free?

Yes, the MHz to GHz converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.

📡 Frequency

MHz to GHz Converter

Convert MHz to GHz instantly. Includes a reference table and formula.

Quick answer: To convert MHz to GHz, multiply by 0.001. For example, 1 MHz = 0.001 GHz. Use the calculator below for any value.

MHz

→

GHz

Common conversions

MHz	GHz

Formula:

How to convert MHz to GHz

Enter your value

Type the number of mhz you want to convert into the left box. The result in ghz appears instantly in the right box. You can also type into the right box to convert in the other direction.

Use the swap button

Click the ⇄ Swap button to reverse the conversion — GHz to MHz. Your current value carries across so you don't have to re-enter anything.

About MHz and GHz

MHz and GHz are both frequency units. Use this converter to switch between them instantly.

💡 Did you know?

1 GHz = 1,000 MHz. CPU speeds: modern consumer CPUs run at 3.5-5.5 GHz base clock. Wi-Fi 2.4 GHz = 2,400 MHz. The 5 GHz Wi-Fi band = 5,000-5,900 MHz. The gigahertz jump from MHz to GHz happened in Intel processors between 1999 (Pentium III at 500 MHz) and 2000 (Pentium 4 at 1 GHz).

📊 Common conversions at a glance

MHz	GHz
100	0.1
500	0.5
800	0.8
900	0.9
1000	1
2400	2.4

Reviewed for 2026. MHz ↔ GHz conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.

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