Convert GHz to MHz
Convert gigahertz to megahertz by entering a value below.
How to Convert Gigahertz to Megahertz
The gigahertz and megahertz are both units of frequency. By definition, 1 gigahertz equals exactly 1e12 megahertz. This means to convert gigahertz to megahertz, you multiply by 1e12.
Formula
Step-by-Step Example
Convert 5 GHz to megahertz:
We need to convert gigahertz to megahertz
Since 1 GHz = 1e12 MHz, multiply by 1e12
5 × 1e12 = 5e12
5 GHz = 5e12 MHz
Gigahertz to Megahertz Conversion Table
Quick reference table for common gigahertz to megahertz conversions. Click any value for detailed calculation.
| Gigahertz (GHz) | Megahertz (MHz) |
|---|---|
| 0.1 GHz | 100000000000 MHz |
| 0.5 GHz | 500000000000 MHz |
| 1 GHz | 1e12 MHz |
| 2 GHz | 2e12 MHz |
| 5 GHz | 5e12 MHz |
| 10 GHz | 1e13 MHz |
| 25 GHz | 2.5e13 MHz |
| 50 GHz | 5e13 MHz |
| 100 GHz | 1e14 MHz |
About These Units
Gigahertz (GHz)
A gigahertz (GHz) equals 1 billion hertz. Gigahertz measures modern CPU speeds (2-5 GHz), WiFi (2.4 GHz, 5 GHz, 6 GHz), 5G cellular (millimeter wave: 24-47 GHz), and microwave ovens (2.45 GHz). RAM speed is also measured in GHz.
Megahertz (MHz)
A megahertz (MHz) equals 1 million hertz. Megahertz measures FM radio (88-108 MHz), WiFi frequencies (2400 MHz, 5000 MHz), and older CPU speeds. Early Pentium processors ran at 60-200 MHz. Television channels use MHz frequencies.
Frequently Asked Questions
How do I convert gigahertz to megahertz?
To convert gigahertz to megahertz, multiply the value by 1e12. For example, 10 GHz = 1e13 MHz.
How many megahertz are in 1 gigahertz?
1 gigahertz equals 1e12 megahertz.
What is the formula for gigahertz to megahertz?
The formula is: MHz = GHz × 1e12.