Milliwatts to Kilowatts Converter
Convert milliwatts (mW) to kilowatts (kW), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a power, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 mW = 1e-6 kW
- 1 × 1e-6 = 1e-6 kW
How to convert milliwatts to kilowatts
1 mW = 1 × 10⁻⁶ kW, so multiply by 1 to go from milliwatts to kilowatts. Going the other way, 1 kW = 1,000,000 mW.
kW = mW × 1 mW = kW × 1,000,000
Worked example:
1 mW = 1e-6 kW 5 × 1e-6 = 5e-6 kW
Milliwatts to kilowatts table
| Milliwatts | Kilowatts |
|---|---|
| 1 mW | 1 × 10⁻⁶ kW |
| 2 mW | 2 × 10⁻⁶ kW |
| 3 mW | 3 × 10⁻⁶ kW |
| 4 mW | 4 × 10⁻⁶ kW |
| 5 mW | 5 × 10⁻⁶ kW |
| 6 mW | 6 × 10⁻⁶ kW |
| 7 mW | 7 × 10⁻⁶ kW |
| 8 mW | 8 × 10⁻⁶ kW |
| 9 mW | 9 × 10⁻⁶ kW |
| 10 mW | 1 × 10⁻⁵ kW |
| 15 mW | 1.5 × 10⁻⁵ kW |
| 20 mW | 2 × 10⁻⁵ kW |
| 25 mW | 2.5 × 10⁻⁵ kW |
| 30 mW | 3 × 10⁻⁵ kW |
| 40 mW | 4 × 10⁻⁵ kW |
| 50 mW | 5 × 10⁻⁵ kW |
| 75 mW | 7.5 × 10⁻⁵ kW |
| 100 mW | 0.0001 kW |
| 250 mW | 0.00025 kW |
| 500 mW | 0.0005 kW |
| 1000 mW | 0.001 kW |
About the units
- Milliwatts (mW)
- Milliwatts, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
- Kilowatts (kW)
- Kilowatts, a metric unit. Definition: BIPM SI Brochure (SI prefixes).