Milliwatt
Contents
Key Stage 4
Meaning
Milliwatts (mW) are a unit of power 1,000 times smaller than the SI Unit; the Watt.
About Milliwatts
- Milliwatts are shortened to mW with a lower case m and an upper case W.
- Milli means one thousandth so there are 1,000 milliwatts in a Watt.
Converting to Milliwatts
| Unit | To convert | Milliwatts |
| 1 megawatt (1MW) | Convert to milliwatts x109 | 1x109mW |
| 1 kilowatt (1kW) | Convert to milliwatts x106 | 1x106mW |
| 1 Watt (1W) | Convert to milliwatts x103 | 1x103mW |
| 1 milliwatt 1(mW) | Convert to milliwatts x1 | 1mW |
| 1 microwatt 1(µW) | Convert to milliwatts x10-3 | 1x10-3mW |
| 1 nanowatt 1(nW) | Convert to milliwatts x10-6 | 1x10-6mW |