ConvertOnlineWatts to Milliwatts calculator
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Enter a number to see the converted value immediately.
W
Milliwatts
mW
Watts to Milliwatts formula
Use this formula to convert watts to milliwatts:
Milliwatts = Watts * 1e3
Calculation
Enter a valid number above to see the formula with your value substituted step by step.
Watts to Milliwatts Conversion Table
Reference values for converting Watts to Milliwatts.
| Watts (W) | Milliwatts (mW) |
|---|---|
| 0.1 W | 100 mW |
| 1 W | 1000 mW |
| 2 W | 2000 mW |
| 5 W | 5000 mW |
| 10 W | 10000 mW |
| 20 W | 20000 mW |
| 50 W | 50000 mW |
| 100 W | 100000 mW |
Worked example
Convert 15 Watts to Milliwatts
Milliwatts = 15 × 1e3 = 15000 Milliwatts
About these units
Watts
The watt (W) is the SI unit of power, defined as one joule per second. It is used to measure the rate of energy transfer and is commonly used in a wide range of applications, including electricity, mechanics, and heating.
Milliwatts
A milliwatt (mW) is a unit of power equal to one thousandth of a watt. It is often used in contexts where power levels are low, such as in electronics and communications.
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