Joules to Gigajoules Converter
Convert joules (watt-seconds) (J) 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 J = 1e-9 GJ
- 1 × 1e-9 = 1e-9 GJ
How to convert joules to gigajoules
1 J = 1 × 10⁻⁹ GJ, so multiply by 1 to go from joules (watt-seconds) to gigajoules. Going the other way, 1 GJ = 1,000,000,000 J.
GJ = J × 1 J = GJ × 1,000,000,000
Worked example:
1 J = 1e-9 GJ 5 × 1e-9 = 5e-9 GJ
Joules to gigajoules table
| Joules | Gigajoules |
|---|---|
| 1 J | 1 × 10⁻⁹ GJ |
| 2 J | 2 × 10⁻⁹ GJ |
| 3 J | 3 × 10⁻⁹ GJ |
| 4 J | 4 × 10⁻⁹ GJ |
| 5 J | 5 × 10⁻⁹ GJ |
| 6 J | 6 × 10⁻⁹ GJ |
| 7 J | 7 × 10⁻⁹ GJ |
| 8 J | 8 × 10⁻⁹ GJ |
| 9 J | 9 × 10⁻⁹ GJ |
| 10 J | 1 × 10⁻⁸ GJ |
| 15 J | 1.5 × 10⁻⁸ GJ |
| 20 J | 2 × 10⁻⁸ GJ |
| 25 J | 2.5 × 10⁻⁸ GJ |
| 30 J | 3 × 10⁻⁸ GJ |
| 40 J | 4 × 10⁻⁸ GJ |
| 50 J | 5 × 10⁻⁸ GJ |
| 75 J | 7.5 × 10⁻⁸ GJ |
| 100 J | 1 × 10⁻⁷ GJ |
| 250 J | 2.5 × 10⁻⁷ GJ |
| 500 J | 5 × 10⁻⁷ GJ |
| 1000 J | 1 × 10⁻⁶ GJ |
About the units
- Joules (J)
- Joules (watt-seconds), 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).
Related conversions
- Gigajoules to Joules
- Energy Converter: every unit
- Joules to British Thermal Units
- Joules to Calories
- Joules to Electronvolts
- Joules to Kilocalories
- Joules to Kiloelectronvolts
- Joules to Kilojoules
- Joules to Kilowatt-hours
- Joules to Megacalories
- Joules to Megaelectronvolts
- Joules to Megajoules
- Joules to Megawatt-hours
- Joules to Million Btu