GJ → joule converter

Convert gigajoule to joules (Energy)

1 GJ = 1000000000 joule · 1 joule = 0.000000001 GJ

Common values: 10 GJ 50 GJ 100 GJ 500 GJ 1000 GJ

10 GJ = 1e10 joule

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Gigajoule to joules Conversion

1 gigajoule (GJ) is equal to 1000000000 joules (joule).

1 GJ = 1000000000 joule

or

1 joule = 0.000000001 GJ

Formula

To convert a energy from gigajoule (GJ) to joules (joule), multiply the energy in gigajoule by 1000000000

e(joule) = e(GJ) × 1000000000

Examples:

Convert 10 gigajoule to joules:

e(joule) = 10GJ × 1000000000 = 10000000000 joule

Conversion table

Gigajoule (GJ) Joules (joule)
1 GJ 1e9 joule
2 GJ 2e9 joule
3 GJ 3e9 joule
5 GJ 5e9 joule
10 GJ 1e10 joule
20 GJ 2e10 joule
25 GJ 2.5e10 joule
50 GJ 5e10 joule
100 GJ 1e11 joule
250 GJ 2.5e11 joule
500 GJ 5e11 joule
1000 GJ 1e12 joule
Joules (joule) Gigajoule (GJ)
1 joule 1e-9 GJ
2 joule 2e-9 GJ
3 joule 3e-9 GJ
5 joule 5e-9 GJ
10 joule 1e-8 GJ
20 joule 2e-8 GJ
25 joule 2.5e-8 GJ
50 joule 5e-8 GJ
100 joule 1e-7 GJ
250 joule 2.5e-7 GJ
500 joule 5e-7 GJ
1000 joule 1e-6 GJ

Frequently asked questions

How do I convert gigajoule to joules?

Multiply the value in gigajoule by 1000000000 to get the result in joules. For example, 5 GJ × 1000000000 = 5e9 joule.

How many joules are in 1 gigajoule?

1 gigajoule (GJ) is equal to 1e9 joules (joule).

How do I convert joules back to gigajoule?

Use the inverse operation: divide the value in joules by 1000000000 to get the result in gigajoule.

How accurate is the gigajoule to joules conversion?

The converter multiplies by the conversion factor 1000000000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.

Sources

Conversion factors are based on internationally recognised standards:

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