Skip to converter
QConvert

Gigajoule to Joule Converter

Convert Gigajoule to Joule instantly — live results with exact conversion factors.

1000000000 J

Answer

1 gigajoule = 1 joules. To convert GJ to J, multiply by 1.

Quick Reference Table

Gigajoule (GJ) Joule (J)
1 1000000000
2 2000000000
5 5000000000
10 1e+10
20 2e+10
50 5e+10
100 1e+11
250 2.5e+11
500 5e+11
1000 1e+12

Formula

Convert Gigajoule (GJ) to Joule (J) using the relationship:

J = GJ × 1

How to Convert

  1. Take the value in gigajoules (GJ).
  2. Multiply it by 1 (the conversion factor from GJ to J).
  3. The result is the equivalent value in joules (J).
  4. Example: 1 GJ = 1000000000 J.

Reverse Conversion

Need it the other direction? Joule to Gigajoule conversion.

All Energy Conversions

See the full list of Energy conversions.

Related Conversions

FAQ

How many joules are in 1 gigajoule?

1 Gigajoule equals 1000000000 joules. Multiply by 1 to convert GJ to J.

What is the formula to convert gigajoule to joule?

Multiply the value in gigajoules by 1 to get joules. Formula: J = GJ × 1.

How do I convert gigajoules to joules easily?

Enter your value in the converter at the top of this page — the joules result updates live as you type. You can also multiply by 1 directly.