Milliwatt
Key Stage 4
Meaning
Milliwatts (mJ) are a unit of power 1,000 times smaller than the SI Unit; the Watt.
About Milliwatts
- Milliwatts are shortened to mJ with a lower case m and an upper case J.
- Milli means one thousandth so there are 1,000 milliwatts in a Watt.
Converting to Milliwatts
Unit | To convert | Milliwatts |
1 megawatt (1MJ) | Convert to milliwatts x109 | 1x109mJ |
1 kilowatt (1kJ) | Convert to milliwatts x106 | 1x106mJ |
1 Watt (1J) | Convert to milliwatts x103 | 1x103mJ |
1 milliwatt 1(mJ) | Convert to milliwatts x1 | 1mJ |
1 microwatt 1(µJ) | Convert to milliwatts x10-3 | 1x10-3mJ |
1 nanowatt 1(nJ) | Convert to milliwatts x10-6 | 1x10-6mJ |