Convert MHz to GHz
Megahertz to gigahertz. Enter a value to convert, or use the MHz to GHz chart further down the page.
1 megahertz equals 0.001 gigahertz. Going the other way, 1 gigahertz = 1,000 megahertz.
How to convert MHz to GHz
To convert megahertz to gigahertz, multiply the megahertz value by 0.001. You can also divide by 1000 to get the same answer.
GHz = MHz × 0.001
Worked example
Convert 15 MHz to gigahertz:
15 MHz = 0.015 GHz
MHz to GHz conversion chart
Use this MHz to GHz table for quick reference without typing anything.
| megahertz (MHz) | gigahertz (GHz) |
|---|---|
| 0.01 MHz | 0.00001 GHz |
| 0.1 MHz | 0.0001 GHz |
| 1 MHz | 0.001 GHz |
| 2 MHz | 0.002 GHz |
| 3 MHz | 0.003 GHz |
| 5 MHz | 0.005 GHz |
| 10 MHz | 0.01 GHz |
| 20 MHz | 0.02 GHz |
| 50 MHz | 0.05 GHz |
| 100 MHz | 0.1 GHz |
| 1,000 MHz | 1 GHz |
What is a megahertz?
A megahertz is one million cycles per second. FM radio, memory bus speeds and older CPU clocks are measured in megahertz.
What is a gigahertz?
A gigahertz is one billion cycles per second — the unit used for CPU clock speeds and Wi-Fi bands.
Frequently asked questions
How many GHz are in a megahertz?
1 MHz equals 0.001 GHz. Going the other way, 1 GHz is 1,000 MHz.
How do you convert MHz to GHz?
To convert megahertz to gigahertz, multiply the megahertz value by 0.001. You can also divide by 1000 to get the same answer.
What is 10 MHz in GHz?
10 MHz equals 0.01 GHz. The conversion chart on this page lists the other values people look up most often.
Related frequency conversions
Convert MHz to other units
Convert other units to GHz
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