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==Key Stage 4==
===Meaning===
'''Milliwatts''' ('''mJmW''') are a [[unit]] of [[power]] 1,000 times smaller than the [[SI Unit]]; the [[Watt]].
===About Milliwatts===
: '''Milliwatts''' are shortened to '''mJmW''' with a lower case m and an upper case JW.
: [[Milli]] means one thousandth so there are 1,000 [[milliwatt]]s in a [[Watt]].
| style="height:20px; width:200px; text-align:center;" |'''Milliwatts'''
|-
| style="height:20px; width:200px; text-align:center;" |1 [[megawatt]] (1MJ1MW)
| style="height:20px; width:200px; text-align:center;" |Convert to '''milliwatts''' x10<sup>9</sup>
| style="height:20px; width:200px; text-align:center;" |1x10<sup>9</sup>mJmW
|-
| style="height:20px; width:200px; text-align:center;" |1 [[kilowatt]] (1kJ1kW)
| style="height:20px; width:200px; text-align:center;" |Convert to '''milliwatts''' x10<sup>6</sup>
| style="height:20px; width:200px; text-align:center;" |1x10<sup>6</sup>mJmW
|-
| style="height:20px; width:200px; text-align:center;" |1 [[Watt]] (1J1W)
| style="height:20px; width:200px; text-align:center;" |Convert to '''milliwatts''' x10<sup>3</sup>
| style="height:20px; width:200px; text-align:center;" |1x10<sup>3</sup>mJmW
|-
| style="height:20px; width:200px; text-align:center;" |1 [[milliwatt]] 1(mJmW)
| style="height:20px; width:200px; text-align:center;" |Convert to '''milliwatts''' x1
| style="height:20px; width:200px; text-align:center;" |1mJ1mW
|-
| style="height:20px; width:200px; text-align:center;" |1 [[microwatt]] 1(µJµW)
| style="height:20px; width:200px; text-align:center;" |Convert to '''milliwatts''' x10<sup>-3</sup>
| style="height:20px; width:200px; text-align:center;" |1x10<sup>-3</sup>mJmW
|-
| style="height:20px; width:200px; text-align:center;" |1 [[nanowatt]] 1(nJnW)
| style="height:20px; width:200px; text-align:center;" |Convert to '''milliwatts''' x10<sup>-6</sup>
| style="height:20px; width:200px; text-align:center;" |1x10<sup>-6</sup>mJmW
|}