Contents
Key Stage 4
Meaning
Megajoules (MJ) are a unit of energy 1,000,000 times larger than the SI Unit of the joules.
About Megajoules
- Megajoules are shortened to MJ with an upper case M and an upper case J.
- Mega means one million so there are 1,000,000 Joules in a megajoule.
Converting to Megajoules
| Unit | To convert | Megajoules |
| 1 megajoules (1MJ) | Convert to Megajoules x1 | 1MJ |
| 1 kilojoules (1kJ) | Convert to Megajoules x10-3 | 1x10-3MJ |
| 1 Joule (1J) | Convert to Megajoules x10-6 | 1x10-6MJ |
| 1 millijoules 1(mJ) | Convert to Megajoules x10-9 | 1x10-9MJ |
| 1 microjoules 1(µJ) | Convert to Megajoules x10-12 | 1x10-12MJ |
| 1 nanojoules 1(nJ) | Convert to Megajoules x10-15 | 1x10-15MJ |