Key Stage 3
Meaning
A Joule is a unit for measuring energy
About Joules
- Joules are the scientific unit for measuring energy.
- A number of Joules is written with a capital J.
Unit Comparisons
| Unit | In Joules |
| 1 Calorie | 4.2J |
| 1 kilocalorie | 4200J |
| 1 millijoule | 0.001J |
| 1 kilojoule | 1000J |
| 1 kilowatt-hour | 36,000,000J |