watts to milliwatts
Convert watt to milliwatt — instant, free, with the formula shown.
1 W=1000 mW
How to convert watt to milliwatt
To convert watt to milliwatt, multiply by 1000:
mW = W × 1000
For example, 10 W × 1000 = 10000 mW.
W to mW conversion table
| watts (W) | milliwatts (mW) |
|---|---|
| 1 W | 1000 mW |
| 2 W | 2000 mW |
| 5 W | 5000 mW |
| 10 W | 10000 mW |
| 25 W | 25000 mW |
| 50 W | 50000 mW |
| 100 W | 100000 mW |
| 250 W | 250000 mW |
| 500 W | 500000 mW |
| 1000 W | 1000000 mW |
Other watt conversions
Convert to milliwatt from another unit
W to mW — frequently asked
How many milliwatts are in 1 watt?
1 watt = 1000 milliwatts (W × 1000 = mW).
What is the formula to convert watt to milliwatt?
Multiply your watt value by 1000 to get milliwatt.
How do I convert 10 watts to milliwatts?
10 W = 10000 mW. For 100 W the answer is 100000 mW. Use the calculator on this page for any other value.