Megahertz to Gigahertz Converter

Divide MHz by 1,000 to get GHz. 1,000 MHz = 1 GHz. For example, 2,400 MHz = 2.4 GHz and 3,500 MHz = 3.5 GHz.

Megahertz

MHz

Gigahertz

GHz

Common Conversions

Key Takeaways

1,000 MHz = 1 GHz. Divide MHz by 1,000 for GHz.
2,400 MHz = 2.4 GHz (WiFi). 5,000 MHz = 5 GHz.
Modern CPUs: 3,000-5,500 MHz (3.0-5.5 GHz).
RAM speed: 3,200 MHz = 3.2 GHz, 6,000 MHz = 6 GHz.
5G mmWave: 24,000-40,000 MHz (24-40 GHz).

How Do You Convert MHz to GHz?

Divide megahertz by 1,000 to get gigahertz. The formula is: GHz = MHz / 1,000. Move the decimal point three places to the left.

Maya Singh compares laptop specs for college. One model has a 4,700 MHz CPU: 4,700 / 1,000 = 4.7 GHz. Another lists 3,800 MHz = 3.8 GHz. The spec sheet shows both formats interchangeably. She learns that the 3.8 GHz model with newer architecture actually benchmarks higher despite the lower clock speed.

Wireless Frequency Reference

Technology	MHz	GHz
Bluetooth	2,400-2,485 MHz	2.4-2.485 GHz
WiFi 2.4 GHz band	2,400-2,500 MHz	2.4-2.5 GHz
WiFi 5 GHz band	5,150-5,850 MHz	5.15-5.85 GHz
WiFi 6 GHz band	5,925-7,125 MHz	5.925-7.125 GHz
4G LTE	700-2,600 MHz	0.7-2.6 GHz
5G Sub-6	600-6,000 MHz	0.6-6.0 GHz
5G mmWave	24,000-40,000 MHz	24-40 GHz
GPS	1,575.42 MHz	1.575 GHz

Practical Applications

PC Building

Tom Brewer builds a gaming PC. He compares RAM: DDR5-4800 (4,800 MHz = 4.8 GHz effective) vs DDR5-6000 (6,000 MHz = 6.0 GHz effective). The 1,200 MHz (1.2 GHz) speed difference provides about 5-8% better gaming performance. He pairs it with a CPU running at 5,200 MHz (5.2 GHz) in boost mode.

Network Planning

Priya Patel advises a client on WiFi for their office. The 2,400 MHz (2.4 GHz) band penetrates walls better but is crowded. The 5,800 MHz (5.8 GHz) band offers 1,300+ Mbps but drops off beyond 15 meters indoors. She recommends mesh access points on the 5 GHz band every 10 meters.

Satellite Communications

Sam Okafor reviews a property with a satellite internet dish. The service uses the Ka-band at 26,500-40,000 MHz (26.5-40 GHz). Higher frequencies mean more bandwidth (100+ Mbps) but rain fade reduces signal strength. He notes this in the listing for rural buyers who rely on satellite internet.

Frequently Asked Questions

How many MHz is 1 GHz?

One gigahertz equals exactly 1,000 megahertz. To convert MHz to GHz, divide by 1,000. For example, 3,500 MHz = 3.5 GHz.

How do I convert MHz to GHz?

Divide MHz by 1,000 to get GHz. For example, 2,400 MHz = 2.4 GHz, 5,000 MHz = 5.0 GHz, and 800 MHz = 0.8 GHz.

What is 2400 MHz in GHz?

2,400 MHz = 2.4 GHz. This is the standard WiFi frequency band used by all wireless routers. The 5 GHz band (5,000 MHz) offers faster speeds but shorter range.

What is a good CPU speed in GHz?

Modern CPUs typically run at 3.0-5.5 GHz (3,000-5,500 MHz). For general use, 3.5 GHz (3,500 MHz) is sufficient. Gaming and professional workloads benefit from 4.5+ GHz (4,500+ MHz) with multiple cores.

Is higher GHz always better?

Not necessarily. A CPU at 5 GHz from 2010 is slower than one at 3.5 GHz from 2025 because modern chips do more work per cycle. GHz (or MHz) only measures clock speed, not actual computational throughput.