Skip to main content
Convert Calc

Gigahertz (GHz) to Megahertz Converter

Enter a value to instantly convert between frequency units.

Precision4 dp

1 Gigahertz = 1000 Megahertz

Key Formulas

Hertz → Kilohertz

kHz = Hz × 0.001

Kilohertz → Hertz

Hz = kHz × 1000

Megahertz → Gigahertz

GHz = MHz × 0.001

Gigahertz → Megahertz

MHz = GHz × 1000

Formula

MHz = GHz × 1,000

Gigahertz (GHz) are used for CPU speed and modern wireless frequencies; megahertz (MHz) break it into smaller units. 1 GHz = 1,000 MHz. Essential for comparing processor specs (GHz) to radio bands (MHz).

Source: ISO 80000-3:2019 (Space and time)

Frequently Asked Questions

Real-World Examples

One gigahertz. 1 GHz = 1,000 MHz. Baseline CPU frequency.

1 GHz = 1000 MHz

WiFi frequency. 2.4 GHz = 2,400 MHz. 802.11 WiFi standard band.

2.4 GHz = 2400 MHz

High-speed WiFi. 5 GHz = 5,000 MHz. Modern 802.11ac WiFi.

5 GHz = 5000 MHz

Typical CPU. 3 GHz = 3,000 MHz. Modern processor base frequency.

3 GHz = 3000 MHz