Megahertz to Gigahertz
Convert MHz to GHz quickly with this free online calculator. The page explains the conversion rule, gives practical examples and provides a quick reference table.
1 MHz equals approximately 0.001 GHz.
How to use the Megahertz to Gigahertz
- Enter the number you want to convert.
- Confirm the source unit shown beside the input.
- Choose decimal precision if you need more or less detail.
- Read the converted result.
- Copy the result when you need to use it elsewhere.
How the conversion works
1 MHz equals approximately 0.001 GHz.
For a simple fixed-factor conversion, the calculator multiplies the entered value by the stated factor. Temperature scales and certain specialized tools use their specific mathematical relationship instead.
Common MHz to GHz conversions
| MHz | GHz |
|---|---|
| 1 MHz | 0.001 GHz |
| 2 MHz | 0.002 GHz |
| 5 MHz | 0.005 GHz |
| 10 MHz | 0.01 GHz |
| 20 MHz | 0.02 GHz |
| 50 MHz | 0.05 GHz |
Example
For example, entering 1 MHz gives approximately 0.001 GHz using the rule above. Change the input to test your own value.
Frequently asked questions
Accuracy note: This calculator is a practical reference. For regulated, safety-critical or specialized work, verify the result against the applicable standard.
Page reviewed: August 24, 2026.