Watts to Kilowatts Converter
1 watt is equal to 0.001 kilowatts, or 1,000 mW.
Enter a value in the converter to get the result. This page explains the formula, works through examples and lists common values in a conversion table.
How to convert watts to kilowatts
Multiply the value in watts by 0.001 to get kilowatts.
kW = × 0.001- 1Start with the value in watts: 1 W.
- 2Apply the formula: × 0.001 = 0.001.
- 3Round to the precision you need: 0.001 kW.
Examples
Watts to Kilowatts conversion table
1 watt in other units
The same value in every other unit of this category. Each row links to the full conversion.
| Unit | Formula | 1 W equals |
|---|---|---|
| Watts to Milliwatts | mW = × 1,000 | 1,000 mW |
| Watts to Kilowatts | kW = × 0.001 | 0.001 kW |
| Watts to Megawatts | MW = × 0.000001 | 0.000001 MW |
| Watts to Gigawatts | GW = × 0.000000001 | 0.000000001 GW |
Kilowatts to Watts
The reverse conversion uses the inverse formula. For example, 1 kW is 1,000 W. Use the kilowatts to watts converter for other values.
W = × 1,000About the units
Watt (W)
A unit of power. 1 W = 0.001 kW.
Kilowatt (kW)
A unit of power. 1 kW = 1,000 W.
Accuracy and rounding
The calculation uses exact decimal arithmetic, so the conversion itself adds no error. Results are rounded to six significant figures; the formula steps show more digits.
More watts to kilowatts conversions
FAQ
How many kilowatts are in one watt?
One watt is equal to 0.001 kilowatts.
How do I convert kilowatts back to watts?
Use the formula W = × 1,000. See the kilowatts to watts converter.