Watt to Kilowatt
1 W = 0.001 kW
How to convert watt to kilowatt
Enter the value in watt (W) above and the equivalent in kilowatt (kW) updates as you type. This conversion comes up when comparing vacuum cleaners or engines (watts vs horsepower).
- A typical home EV charger: 11 kW → that is 11000 W in watt.
Typical situations: sizing EV chargers and solar installations (kW); understanding heater labels and fuse loads.
You can also convert in the other direction: Kilowatt to Watt
Watt to Kilowatt conversion table
| Watt (W) | Kilowatt (kW) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
Watch out for
- Metric hp (PS/CV, 735.5 W) vs mechanical hp (745.7 W): brochures mix them
- kW (power) vs kWh (energy on your bill): a 22 kW charger for 1 hour uses 22 kWh
Frequently asked questions
How many kilowatts is 1 watt?
1 watt = 0.001 kilowatts.
What is the formula to convert watt to kilowatts?
The formula is: kW = W × 0.001.
What is 10 watts in kilowatts?
10 watts = 0.01 kilowatts.