milliwatts to watts
Convert milliwatt to watt — instant, free, with the formula shown.
1 mW=0.001 W
How to convert milliwatt to watt
To convert milliwatt to watt, multiply by 0.001:
W = mW × 0.001
For example, 10 mW × 0.001 = 0.01 W.
mW to W conversion table
| milliwatts (mW) | watts (W) |
|---|---|
| 1 mW | 0.001 W |
| 2 mW | 0.002 W |
| 5 mW | 0.005 W |
| 10 mW | 0.01 W |
| 25 mW | 0.025 W |
| 50 mW | 0.05 W |
| 100 mW | 0.1 W |
| 250 mW | 0.25 W |
| 500 mW | 0.5 W |
| 1000 mW | 1 W |
Other milliwatt conversions
Convert to watt from another unit
mW to W — frequently asked
How many watts are in 1 milliwatt?
1 milliwatt = 0.001 watts (mW × 0.001 = W).
What is the formula to convert milliwatt to watt?
Multiply your milliwatt value by 0.001 to get watt.
How do I convert 10 milliwatts to watts?
10 mW = 0.01 W. For 100 mW the answer is 0.1 W. Use the calculator on this page for any other value.
When to convert milliwatt to watt
1Car engines (hp ↔ kW)
2Electrical appliances (W, kW)
3Air conditioning (BTU/h ↔ kW)
4Renewable energy (MW, GW)
Power conversion — common questions
How many watts in 1 horsepower?
Mechanical: 1 hp ≈ 745.7 W. Metric: 1 hp (PS) ≈ 735.5 W. The mechanical definition is standard in the US/UK; metric is used in continental Europe.
How do I convert AC BTU/h to kW?
Divide BTU/h by 3,412 (or multiply by 0.000293). A 12,000 BTU/h AC ≈ 3.52 kW of cooling power.
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