Millijoule
Contents
Key Stage 4
Meaning
Nanojoules (µJ) are a unit of energy 1,000,000,000 times smaller than the SI Unit of the joules.
About Microjoules
- Nanojoules are shortened to nJ with a lower case n and an upper case J.
- Nano means one billionth so there are 1,000,000,000 nanojoules in a Joule.
Converting to Nanojoules
| Unit | To convert | Nanojoules |
| 1 megajoules (1MJ) | Convert to nanojoules x1015 | 1x1015nJ |
| 1 kilojoules (1kJ) | Convert to nanojoules x1012 | 1x1012nJ |
| 1 Joule (1J) | Convert to nanojoules x109 | 1x109nJ |
| 1 millijoules 1(mJ) | Convert to nanojoules x106 | 1x106nJ |
| 1 microjoules 1(µJ) | Convert to nanojoules x103 | 1x103nJ |
| 1 nanojoules 1(nJ) | Convert to nanojoules x1 | 1nJ |