Gigajoule to Terajoule Converter

Quick Answer

1 GJ = 0.001 TJ

Formula: Terajoule = Gigajoule x 0.001

Formula verifiedLive calculation
To (Terajoule)
0.001TJ

Gigajoule to Terajoule Conversion Table

Gigajoule (GJ)Terajoule (TJ)
10.001
20.002
30.003
40.004
50.005
60.006
70.007
80.008
90.009
100.01

Convert Gigajoule to Other Energy Units

Frequently Asked Questions

How do you convert Gigajoule to Terajoule?
Use the formula Terajoule = Gigajoule x 0.001. For example: 1 GJ = 0.001 TJ. Our calculator handles this automatically.
How many Terajoules in a Gigajoule?
1 GJ = 0.001 TJ.
Why would I need to convert Gigajoule to Terajoule?
Converting Gigajoule to Terajoule is useful for scientific calculations, engineering projects, international trade, and everyday measurements where different unit systems are used.

Energy reference calculator

Reference factors

0.001

TJ per GJ

1000

GJ per TJ

Contents

Formula audit

Terajoule = Gigajoule x 0.001

1 GJ = 0.001 TJ

Results use the shared conversion engine and retain the full conversion rule before display formatting.

Unit reference

CategoryEnergy
Input unitGigajoule (GJ)
Output unitTerajoule (TJ)