How to convert kilowatts to watts
To convert kilowatts to watts, multiply by 1,000. Power conversions compare engines, motors, appliances, solar panels and air conditioners.
Kilowatt to Watt conversion table
| Kilowatt (kW) | Watt (W) |
|---|---|
| 0.1 kW | 100 W |
| 0.5 kW | 500 W |
| 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 |
| 10 kW | 10,000 W |
| 20 kW | 20,000 W |
| 25 kW | 25,000 W |
| 50 kW | 50,000 W |
| 100 kW | 100,000 W |
| 500 kW | 500,000 W |
| 1,000 kW | 1,000,000 W |
About the units
Kilowatt (kW)
A kilowatt equals 1,000 watts and rates engines, heaters and EV chargers.
Watt (W)
The watt is the SI unit of power, one joule per second.
How to use this converter
- Type the number of kilowatts (kW) in the input box.
- The result in watts appears instantly — no button needed.
- See the same value in every other power unit just below.
- Use “Swap units” to convert watts back to kilowatts.
When you’ll use the kilowatt to watt conversion
Converting kilowatts to watts comes up more often than you might expect — for example when comparing engines in hp and kW, choosing an air conditioner by BTU/h, or sizing a generator or inverter. Type your number once and you get the exact answer plus every related unit, so you don’t need to convert twice.
💡 The factor is exact and easy to remember: 1 kW = 1,000 W.
Watch out for these mix-ups
- Mechanical and metric horsepower differ slightly (745.7 W vs 735.5 W).
- Confusing power (W) with energy used over time (Wh).
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many watts are in one kilowatt?
One kilowatt equals 1,000 watts. 1,000 is the exact factor used by this converter.
How do I convert kilowatts to watts?
Multiply the value in kilowatts by 1,000. To go the other way, multiply watts by 0.001.
What is 10 kW in W?
10 kW = 10,000 W. Also, 5 kW = 5,000 W and 100 kW = 100,000 W.
What is the difference between a kilowatt and a watt?
A kilowatt equals 1,000 watts and rates engines, heaters and EV chargers. The watt is the SI unit of power, one joule per second.
Is this tool free and private?
Yes — the Kilowatt to Watt is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
Related tools
📬 Get new tools first — free
Join Taurang to hear about new calculators, converters and features. No spam; unsubscribe anytime.