Megahertz to Gigahertz
One megahertz equals 0.001 gigahertz.
Gigahertz = megahertz ÷ 1000
Frequency Conversion
Common Frequencies
Frequency Reference Guide
Frequency Unit Relationships
1 kHz = 1,000 Hz
1 MHz = 1,000 kHz = 1,000,000 Hz
1 GHz = 1,000 MHz = 1,000,000,000 Hz
1 THz = 1,000 GHz = 10¹² Hz
1 RPM = 1/60 Hz ≈ 0.0167 Hz
1 RPS = 1 Hz
1 rad/s = 1/(2π) Hz ≈ 0.159 Hz
Angular frequency: ω = 2πf
Frequency Spectrum Applications
Audio Range: 20 Hz - 20 kHz (human hearing)
Radio Waves: 3 kHz - 300 GHz
AM Radio: 535 - 1605 kHz
FM Radio: 88 - 108 MHz
WiFi 2.4GHz: 2.4 - 2.485 GHz
WiFi 5GHz: 5.15 - 5.85 GHz
Microwave: 300 MHz - 300 GHz
Visible Light: ~400 - 800 THz
Technical Applications
CPU Clock: 1-5 GHz (modern processors)
AC Power: 50-60 Hz (mains electricity)
Musical Note A4: 440 Hz (concert pitch)
Ultrasound: >20 kHz (medical imaging)
Radar: 1-100 GHz (various bands)
X-rays: 30 PHz - 30 EHz (10¹⁶-10¹⁹ Hz)
Conversion Tips
• Period (T) and frequency (f) are reciprocals: T = 1/f
• Higher frequency = shorter wavelength (for electromagnetic waves)
• Angular frequency (ω) = 2π × frequency (f)
• Use scientific notation for very large or small frequencies
Megahertz to Gigahertz Conversion Table
| MHz | GHz |
|---|---|
| 1 | 0.001 |
| 10 | 0.01 |
| 50 | 0.05 |
| 100 | 0.1 |
| 433 | 0.433 |
| 500 | 0.5 |
| 868 | 0.868 |
| 900 | 0.9 |
| 1000 | 1 |
| 1800 | 1.8 |
| 2400 | 2.4 |
| 2600 | 2.6 |
| 5000 | 5 |
| 5800 | 5.8 |
| 10000 | 10 |
About This Conversion
Megahertz to gigahertz divides by 1,000. The conversion turns up wherever radio and processor specifications mix the two prefixes, which they do constantly: a band listed as 2400 MHz and a router advertised at 2.4 GHz are the same thing.
The bands worth recognising sit in this table. Mobile networks use 700, 900, 1800 and 2600 MHz; Wi-Fi uses 2.4 and 5 GHz; the licence-free LoRa bands are 433 and 868 MHz. Lower frequencies travel further and penetrate walls better, which is why 900 MHz covers a farm and 5 GHz struggles across a house.
Frequently Asked Questions
How many MHz are in a GHz?
One gigahertz is 1,000 megahertz.
What is 2400 MHz in GHz?
2,400 MHz is 2.4 GHz, the common Wi-Fi band.
What is 5800 MHz in GHz?
5,800 MHz is 5.8 GHz.
Is a higher frequency better for Wi-Fi?
Higher frequencies carry more data but travel less far. 5 GHz is faster nearby; 2.4 GHz reaches further.
Related Conversions
Converting the other way? Gigahertz to Megahertz
Need a different unit? Open the full frequency converter