📡 Frequency

GHz to Hz Converter

Convert GHz to Hz instantly: 1 GHz = 1000000000 Hz. Free converter with the formula, a reference table and FAQs — no sign-up.

Quick answer: To convert GHz to Hz, multiply by 1000000000. For example, 1 GHz = 1000000000 Hz. Use the calculator below for any value.
GHz to Hz
→
Common conversions
GHz Hz
Formula:

How to convert GHz to Hz

1

Enter your value

Type the number of ghz you want to convert into the left box. The result in hz appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — Hz to GHz. Your current value carries across so you don't have to re-enter anything.

3

About GHz and Hz

GHz and Hz are common frequency measurements.

Worked examples: GHz to Hz

Multiply the GHz value by 1e+09 to get Hz. A few quick examples:

  • 5 GHz × 1e+09 = 5e+09 Hz
  • 25 GHz × 1e+09 = 2.5e+10 Hz
  • 250 GHz × 1e+09 = 2.5e+11 Hz
📊 Common conversions at a glance
GHz Hz
1e-09 1
0.001 1e+06
0.1 1e+08
0.5 5e+08
1 1e+09
1.4 1.4e+09
Reviewed for 2026. GHz ↔ Hz conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.

Frequently asked questions

How do I convert GHz to Hz?

To convert GHz to Hz, multiply by 1000000000. Or use the calculator above for instant results.

How many Hz are in 1 GHz?

1 GHz equals 1000000000 Hz.

Is the GHz to Hz converter free?

Yes, the GHz to Hz converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.