How to convert watts to kilowatts
Formula: kW = W × 0.001
Worked example: 1,500 W → 1,500 × 0.001 = 1.5 kW
Watts to kilowatts conversion chart
| Watts (W) | Kilowatts (kW) |
|---|---|
| 1 W | 0.001 kW |
| 2 W | 0.002 kW |
| 3 W | 0.003 kW |
| 4 W | 0.004 kW |
| 5 W | 0.005 kW |
| 6 W | 0.006 kW |
| 7 W | 0.007 kW |
| 8 W | 0.008 kW |
| 9 W | 0.009 kW |
| 10 W | 0.01 kW |
| 12 W | 0.012 kW |
| 15 W | 0.015 kW |
| 20 W | 0.02 kW |
| 25 W | 0.025 kW |
| 30 W | 0.03 kW |
| 40 W | 0.04 kW |
| 50 W | 0.05 kW |
| 75 W | 0.075 kW |
| 100 W | 0.1 kW |
| 250 W | 0.25 kW |
| 500 W | 0.5 kW |
| 1,000 W | 1 kW |
What is a watt?
The watt is the SI unit of power: one joule of energy per second. Light bulbs, chargers and small appliances are rated in watts; an LED bulb draws about 9 W and a hair dryer up to 1,800 W.
What is a kilowatt?
The kilowatt equals 1,000 watts. It rates electric heaters, car engines outside the US, solar installations and home electrical service. Running 1 kW for one hour uses 1 kilowatt-hour of energy.