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
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
| gigajoule | kilojoule |
|---|---|
| 0 gigajoule | 0e+6 kilojoule |
| 1 gigajoule | 1e+6 kilojoule |
| 5 gigajoule | 5e+6 kilojoule |
| 10 gigajoule | 1.0e+7 kilojoule |
| 25 gigajoule | 2.5e+7 kilojoule |
| 100 gigajoule | 1.00e+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.