Gigahertz to Megahertz
Convert gigahertz to megahertz (GHz to MHz). 1 GHz = 1,000 MHz. Use the calculator, formula and conversion table.
How to convert gigahertz to megahertz
Multiply the amount in gigahertz by 1,000 to get megahertz. The displayed factor and results are rounded to 12 significant digits.
MHz = GHz × 1,000Worked example
1 GHz = 1,000 MHz. Change the amount in the calculator above to use your own value.
Units and assumptions
One hertz is one cycle per second. Kilohertz, megahertz and gigahertz use decimal powers of 1,000. RPM is revolutions per minute; 60 RPM equals 1 Hz.
Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.
Gigahertz to Megahertz table
| Gigahertz (GHz) | Megahertz (MHz) |
|---|---|
| 0 | 0 |
| 1 | 1,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 25 | 25,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
About this conversion
What is the formula for gigahertz to megahertz?
MHz = GHz × 1,000. Multiply the amount in gigahertz by 1,000 to get megahertz. The displayed factor and results are rounded to 12 significant digits.
How do I convert back to gigahertz?
Use the megahertz to gigahertz calculator to reverse this conversion. You can also use Swap units in the calculator above.
Can I use a different pair of units?
Choose another unit in the calculator, or open the frequency converter to browse all supported pairs.