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How to Convert Watts to Milliwatts.
Energy

How to Convert Watts to Milliwatts.

Rosemary Njeri

Watt is the SI unit of power.

In the metric system, milli is the prefix for 10–³.

Therefore, a milliwatt (mW) is equal to one thousandth of a watt.

Formula to convert W to mW.

Since we know that a mW is equal to one thousandth of a watt.

Therefore, to convert W to mW, we multiply the watt value by 1,000.

Power in mW = Power in W x 1,000

Example:

Convert 20 Watts to milliwatts.

= 20 x 1000

= 20,000 milliwatts.

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