Convert Kilowatts to Watts
1 kilowatt is 1,000 W. One kilowatt is exactly 1000 watts.
One kilowatt is 1000 watts. To convert kilowatts to watts, multiply by 1000; to go the other way, divide by 1000 or multiply by 0.001. The factor is exact rather than rounded: it follows from NIST Special Publication 811. A thousand watts.
Factor checked against the defining standard · How we check
- Kilowatts × 1000
value * 10001,000 W
1 kilowatt in every power unit
| Unit | Value | Exact factor |
|---|---|---|
| horsepower | 1.34102209 hp | × 1.3410220896 |
| metric horsepower | 1.359621617 PS | × 1.3596216173 |
| watts | 1,000 W | × 1,000 |
| kilowatts (as entered) | 1 kW | — |
| megawatts | 0.001 MW | × 0.001 |
| BTU per hour | 3,412.141633 BTU/h | × 3,412.14163313 |
Factors are entered by hand from NIST Special Publication 811 rather than derived from a units library, so the ones that terminate are exact rather than rounded.
How do you convert kilowatts to watts?
- 1.Take the measurement in kilowatts.
- 2.Multiply by 1000 — that is how many watts fit in one kilowatt.
- 3.To go back the other way, divide by 1000, or multiply by 0.001.
Worked example: 25 kilowatts to watts
- Formula
- kW × 1000 = W
- Arithmetic
- 25 × 1000 = 25,000 W
- Answer
- 25 kW = 25,000 W
The factor is exact, so this figure is exact too — only the display is rounded.
Kilowatts to watts conversion table
| Kilowatts | Watts |
|---|---|
| 1 kW | 1,000 W |
| 2 kW | 2,000 W |
| 3 kW | 3,000 W |
| 4 kW | 4,000 W |
| 5 kW | 5,000 W |
| 6 kW | 6,000 W |
| 7 kW | 7,000 W |
| 8 kW | 8,000 W |
| 9 kW | 9,000 W |
| 10 kW | 10,000 W |
| 12 kW | 12,000 W |
| 15 kW | 15,000 W |
| 20 kW | 20,000 W |
| 25 kW | 25,000 W |
| 50 kW | 50,000 W |
| 100 kW | 100,000 W |
| 200 kW | 200,000 W |
| 300 kW | 300,000 W |
| 500 kW | 500,000 W |
| 1000 kW | 1,000,000 W |
| 2000 kW | 2,000,000 W |
| 5000 kW | 5,000,000 W |
| 10000 kW | 10,000,000 W |
What is a kilowatt?
A thousand watts. Electric motors, kettles and EV chargers are rated here, and a kilowatt is close to 1.34 horsepower.
What is a watt?
The SI unit: one joule every second. A watt is a rate, not an amount, which is the distinction between it and the watt-hour on your electricity bill.
How many watts are in a kilowatt?
One kilowatt is 1000 watts, exactly. Going the other way, one watt is 0.001 kilowatts. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.
Every power unit here
| Unit | Symbol | One of these is |
|---|---|---|
| Horsepower | hp | 745.69987 watt |
| Metric horsepower | PS | 735.49875 watt |
| Watts | W | the base unit |
| Kilowatts | kW | 1000 watt |
| Megawatts | MW | 1000000 watt |
| BTU per hour | BTU/h | 0.29307107 watt |
Source: NIST Special Publication 811 — mechanical horsepower is 550 ft·lbf/s exactly
Questions people actually ask
- How many watts are in a kilowatt?
- 1000. The SI unit: one joule every second. A watt is a rate, not an amount, which is the distinction between it and the watt-hour on your electricity bill.
- How do I convert watts back to kilowatts?
- Divide by 1000, or multiply by 0.001 — they are the same operation.
Other power conversions
Watts to kilowatts — the same conversion the other way.