📏 Gigahertz to Megahertz Converter
Convert gigahertz (GHz) to megahertz (MHz) instantly, with the formula, a worked example and a conversion table.
Quick answer: 1 gigahertz (GHz) = 1,000 megahertz (MHz). Formula: MHz = GHz × 1,000.
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Gigahertz to Megahertz Converter inputs
Result
Gigahertz to Megahertz conversion table
| Gigahertz (GHz) | Megahertz (MHz) |
|---|---|
| 0.1 GHz | 100 MHz |
| 0.5 GHz | 500 MHz |
| 1 GHz | 1,000 MHz |
| 2 GHz | 2,000 MHz |
| 3 GHz | 3,000 MHz |
| 5 GHz | 5,000 MHz |
| 10 GHz | 10,000 MHz |
| 20 GHz | 20,000 MHz |
| 25 GHz | 25,000 MHz |
| 50 GHz | 50,000 MHz |
| 100 GHz | 100,000 MHz |
| 1,000 GHz | 1,000,000 MHz |
Other frequency conversions
How to convert gigahertz to megahertz
Multiply the number of gigahertz by 1,000 to get megahertz: MHz = GHz × 1,000.
Example: 5 GHz = 5,000 MHz.
The gigahertz (GHz) and the megahertz (MHz) are both units of frequency. Need the opposite direction? Use the MHz to GHz converter.
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Metric and imperial units
The metric system (SI) is used by almost every country and by science worldwide. Its units scale by powers of ten – 1 kilometer is 1,000 meters, 1 meter is 100 centimeters – which makes conversions inside the system easy. The imperial and US customary systems (inches, feet, pounds, gallons) are still used daily in the United States and partly in the UK.
Since 1959 the inch has been defined as exactly 2.54 centimeters and the pound as exactly 0.45359237 kilograms, so conversions between the two systems are exact. Note that a US gallon (3.785 L) and an imperial gallon (4.546 L) are different – choose the right one above.
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Frequently asked questions
How many megahertz are in a gigahertz?
1 gigahertz = 1,000 megahertz.
How do I convert gigahertz to megahertz?
Use the formula MHz = GHz × 1,000. For example, 5 GHz = 5,000 MHz.
How do I convert megahertz back to gigahertz?
1 megahertz = 0.001 gigahertz. Use the MHz to GHz converter linked on this page.
Are these conversions exact?
Yes – all factors use the internationally defined values (for example 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly). Results are rounded to 8 significant digits for display.