Watts to Kilowatts formula
kilowatts = watts × 0.001
Multiply the number of watts by 0.001 to get kilowatts. To go the other way, multiply by 1,000 instead, or use the kw to watts converter.
Watts to Kilowatts conversion table
Common watts to kw values, rounded for reading. The converter above keeps full precision.
| Watts | Kilowatts |
|---|---|
| 1 W | 0.001 kW |
| 10 W | 0.01 kW |
| 50 W | 0.05 kW |
| 100 W | 0.1 kW |
| 250 W | 0.25 kW |
| 500 W | 0.5 kW |
| 750 W | 0.75 kW |
| 1,000 W | 1 kW |
| 1,500 W | 1.5 kW |
| 2,000 W | 2 kW |
| 5,000 W | 5 kW |
| 10,000 W | 10 kW |
| 12,000 W | 12 kW |
| 18,000 W | 18 kW |
| 24,000 W | 24 kW |
Worked example
To convert 500 W to kilowatts, multiply by 0.001: the result is 0.5 kW. Mechanical horsepower and metric horsepower are different units. BTU per hour is a power rate; BTU by itself is energy.
Frequently asked questions
How many kilowatts are in a watt?
One watt equals 0.001 kilowatts (1 W = 0.001 kW).
What is 500 watts in kilowatts?
500 W converts to 0.5 kW. Enter any other value in the converter above to see it recalculated instantly.
How do I convert kilowatts back to watts?
Reverse the calculation: one kilowatt equals 1,000 watts. You can also swap the units in the converter or open the kw to watts page.
Related power conversions
Need a different pair? Open the full power converter to choose any two units.