Joules to Gigajoules: 1 J equals 1.00000e-9 GJ. To convert joules to gigajoules, multiply by 1.00000e-9 (GJ = J × 1.0000e-9). For example, 10 J = 1.00000e-8 GJ.
How to Convert Joules to Gigajoules
To convert from joules to gigajoules, multiply the value by 1.00000e-9. The conversion is linear, meaning doubling the input doubles the output.
Conversion Formula
- Joules to Gigajoules:
GJ = J × 1.0000e-9 - Gigajoules to Joules:
J = GJ ÷ 1.0000e-9
Joules to Gigajoules Conversion Chart
| Joules (J) | Gigajoules (GJ) |
|---|---|
| 0.1 | 1.00000e-10 |
| 0.25 | 2.50000e-10 |
| 0.5 | 5.00000e-10 |
| 1 | 1.00000e-9 |
| 2 | 2.00000e-9 |
| 3 | 3.00000e-9 |
| 5 | 5.00000e-9 |
| 10 | 1.00000e-8 |
| 20 | 2.00000e-8 |
| 25 | 2.50000e-8 |
| 50 | 5.00000e-8 |
| 100 | 1.00000e-7 |
| 250 | 2.50000e-7 |
| 1000 | 1.00000e-6 |
Understanding the Units
What is a Joule?
The joule is the SI derived unit of energy, equal to the work done by a force of one newton acting through a distance of one meter (1 J = 1 N·m = 1 W·s).
Named after James Prescott Joule (1818–1889), the English physicist who demonstrated the mechanical equivalent of heat.
Common contexts: physics, chemistry, engineering.
What is a Gigajoule?
A gigajoule equals one billion joules (10⁹ J).
Common contexts: natural gas billing, large-scale energy reporting.
Real-World Reference Points
| Item | Joules (J) | Gigajoules (GJ) |
|---|---|---|
| Energy to lift an apple 1 m | 1 | 1.000e-9 |
| Heart beat (resting) | 1 | 1.000e-9 |
| AA battery (alkaline) | 9000 | 9.000e-6 |