Direct conversion
Convert kilowatt [kW] to milliwatt [mW] instantly with formula, examples, chart, and FAQs.
1 kilowatt [kW] = 1000000 milliwatt [mW]
1 kilowatt [kW] = 1000000 milliwatt [mW]
Example: 1 kilowatt [kW] equals 1000000 milliwatt [mW].
Power conversions use watt as the reference unit and include mechanical horsepower, electrical power, and heat-rate units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
The kilowatt is a power unit equal to 1000 watts.
HistoryKilowatts became common as electrical and mechanical systems needed larger power ratings.
Current useKilowatts are used for generators, electric vehicles, HVAC, solar systems, appliances, and energy planning.
The milliwatt (mW) is a power unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse milliwatt when comparing power values, checking specifications, converting between systems, or preparing quick estimates.
| kilowatt [kW] | milliwatt [mW] |
|---|---|
| 1 | 1000000 |
| 2 | 2000000 |
| 5 | 5000000 |
| 10 | 10000000 |
| 20 | 20000000 |
| 25 | 25000000 |
| 50 | 50000000 |
| 100 | 100000000 |
| 1000 | 1000000000 |
Use this formula: 1 kilowatt [kW] = 1000000 milliwatt [mW] Enter your value in the calculator and the result updates instantly.
1 kilowatt [kW] equals 1000000 milliwatt [mW].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.