Gigajoules to Kilojoules: 1 GJ equals 1000000 kJ. To convert gigajoules to kilojoules, multiply by 1000000 (kJ = GJ × 1,000,000). For example, 10 GJ = 10000000 kJ.
How to Convert Gigajoules to Kilojoules
To convert from gigajoules to kilojoules, multiply the value by 1000000. The conversion is linear, meaning doubling the input doubles the output.
Conversion Formula
- Gigajoules to Kilojoules:
kJ = GJ × 1,000,000 - Kilojoules to Gigajoules:
GJ = kJ ÷ 1,000,000
Gigajoules to Kilojoules Conversion Chart
| Gigajoules (GJ) | Kilojoules (kJ) |
|---|---|
| 0.1 | 100000 |
| 0.25 | 250000 |
| 0.5 | 500000 |
| 1 | 1000000 |
| 2 | 2000000 |
| 3 | 3000000 |
| 5 | 5000000 |
| 10 | 10000000 |
| 20 | 20000000 |
| 25 | 25000000 |
| 50 | 50000000 |
| 100 | 100000000 |
| 250 | 250000000 |
| 1000 | 1.00000e+9 |
Understanding the Units
What is a Gigajoule?
A gigajoule equals one billion joules (10⁹ J).
Common contexts: natural gas billing, large-scale energy reporting.
What is a Kilojoule?
A kilojoule equals 1,000 joules.
Common contexts: nutrition labeling (outside US), mechanical engineering.