Microjoule
Key Stage 4
Meaning
Microjoules (µJ) are a unit of energy 1,000,000 times smaller than the SI Unit of the Joules.
About Microjoules
- Microjoules are shortened to µJ with the Greek letter µ and an upper case J.
- Micro means one millionth so there are 1,000,000 microjoules in a Joule.
Converting to Microjoules
| Unit | To convert | Microjoules |
| 1 megajoules (1MJ) | Convert to microjoules x1012 | 1x1012 µJ |
| 1 kilojoules (1kJ) | Convert to microjoules x109 | 1x109 µJ |
| 1 Joule (1J) | Convert to microjoules x106 | 1x106 µJ |
| 1 millijoules 1(mJ) | Convert to microjoules x103 | 1x103 µJ |
| 1 microjoules 1(µJ) | Convert to microjoules x1 | 1µJ |
| 1 nanojoules 1(nJ) | Convert to microjoules x10-3 | 1x10-3 µJ |