Kilojoules to Gigajoules Converter
Convert kilojoules (kJ) to gigajoules (GJ), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter an amount of energy, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 kJ = 1e-6 GJ
- 1 × 1e-6 = 1e-6 GJ
How to convert kilojoules to gigajoules
1 kJ = 1 × 10⁻⁶ GJ, so multiply by 1 to go from kilojoules to gigajoules. Going the other way, 1 GJ = 1,000,000 kJ.
GJ = kJ × 1 kJ = GJ × 1,000,000
Worked example:
1 kJ = 1e-6 GJ 5 × 1e-6 = 5e-6 GJ
Kilojoules to gigajoules table
| Kilojoules | Gigajoules |
|---|---|
| 1 kJ | 1 × 10⁻⁶ GJ |
| 2 kJ | 2 × 10⁻⁶ GJ |
| 3 kJ | 3 × 10⁻⁶ GJ |
| 4 kJ | 4 × 10⁻⁶ GJ |
| 5 kJ | 5 × 10⁻⁶ GJ |
| 6 kJ | 6 × 10⁻⁶ GJ |
| 7 kJ | 7 × 10⁻⁶ GJ |
| 8 kJ | 8 × 10⁻⁶ GJ |
| 9 kJ | 9 × 10⁻⁶ GJ |
| 10 kJ | 1 × 10⁻⁵ GJ |
| 15 kJ | 1.5 × 10⁻⁵ GJ |
| 20 kJ | 2 × 10⁻⁵ GJ |
| 25 kJ | 2.5 × 10⁻⁵ GJ |
| 30 kJ | 3 × 10⁻⁵ GJ |
| 40 kJ | 4 × 10⁻⁵ GJ |
| 50 kJ | 5 × 10⁻⁵ GJ |
| 75 kJ | 7.5 × 10⁻⁵ GJ |
| 100 kJ | 0.0001 GJ |
| 250 kJ | 0.00025 GJ |
| 500 kJ | 0.0005 GJ |
| 1000 kJ | 0.001 GJ |
About the units
- Kilojoules (kJ)
- Kilojoules, a metric unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).
- Gigajoules (GJ)
- Gigajoules, a metric unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).
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