tier_2 conversion

Convert gigajoule to kilojoule

Convert gigajoule to kilojoule with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.

gigajoule to kilojoule

gigajoule to kilojoule

kilojoule

Quick answer

1 gigajoule = 1e+6 kilojoule.

Formula

kilojoule = gigajoule × 1e+6

Precision

The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.

How to convert gigajoule to kilojoule

  • Enter a value in gigajoule.
  • The conversion is linear, so each gigajoule is worth 1e+6 kilojoule.
  • Round the displayed kilojoule value only when needed.

About these units

gigajoule is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is GJ. kilojoule is a unit used in energy conversions. Energy measures the capacity to perform work or transfer heat. Its recorded symbol is kJ.

Explore related conversions

gigajoule to kilojoule conversion table

gigajoulekilojoule
0 gigajoule0e+6 kilojoule
1 gigajoule1e+6 kilojoule
5 gigajoule5e+6 kilojoule
10 gigajoule1.0e+7 kilojoule
25 gigajoule2.5e+7 kilojoule
100 gigajoule1.00e+8 kilojoule

Frequently asked questions

How do I convert from gigajoule to kilojoule?

The conversion is linear, so each gigajoule is worth 1e+6 kilojoule.

What formula does CalculatorHQ use for gigajoule to kilojoule?

kilojoule = gigajoule × 1e+6

How should I round the result?

The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.

Can I convert kilojoule back to gigajoule?

Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.