Gigajoule to Kilojoule Converter

Quick Answer

1 GJ = 1000000 kJ

Formula: Kilojoule = Gigajoule x 1000000

Formula verifiedLive calculation
To (Kilojoule)
1000000kJ

Gigajoule to Kilojoule Conversion Table

Gigajoule (GJ)Kilojoule (kJ)
11000000
22000000
33000000
44000000
55000000
66000000
77000000
88000000
99000000
1010000000

Convert Gigajoule to Other Energy Units

Frequently Asked Questions

How do you convert Gigajoule to Kilojoule?
Use the formula Kilojoule = Gigajoule x 1000000. For example: 1 GJ = 1000000 kJ. Our calculator handles this automatically.
How many Kilojoules in a Gigajoule?
1 GJ = 1000000 kJ.
Why would I need to convert Gigajoule to Kilojoule?
Converting Gigajoule to Kilojoule is useful for scientific calculations, engineering projects, international trade, and everyday measurements where different unit systems are used.

Energy reference calculator

Reference factors

1000000

kJ per GJ

1.0000e-6

GJ per kJ

Contents

Formula audit

Kilojoule = Gigajoule x 1000000

1 GJ = 1000000 kJ

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

Unit reference

CategoryEnergy
Input unitGigajoule (GJ)
Output unitKilojoule (kJ)