Kilowatts to watts

Type a value in kilowatts to see it in watts straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the kilowatts box.
  2. Read the result in watts as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

W = kW × 1,000

Multiply the value in kilowatts by 1,000 to get watts.

Example

To convert 25 kW to watts: 25 × 1,000 = 25,000 W.

Conversion table

Kilowatts (kW)Watts (W)
11,000
22,000
33,000
55,000
1010,000
2020,000
2525,000
5050,000
100100,000
250250,000
500500,000
1,0001,000,000

About the units

Kilowatt
A kilowatt is exactly 1000 watts, the usual unit for engines, heaters and solar systems.
Watt
The SI unit of power, equal to one joule per second.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many watts are in one kilowatt?

1 kW = 1,000 W exactly.

How do I convert kilowatts to watts?

Use W = kW × 1,000. For example, 25 kW = 25,000 W.

How many kilowatts are in one watt?

1 W = 0.001 kW.

What is the difference between mechanical and metric horsepower?

Mechanical horsepower is about 745.7 watts and is used in the US, while metric horsepower (PS) is 735.5 watts and is used in Europe and Japan. The same engine therefore shows a PS figure about 1.4% higher.

How many kilowatts is one ton of refrigeration?

One ton of refrigeration is 12000 BTU per hour, about 3.517 kW of cooling capacity. That is cooling output, not electricity use; the unit draws less power depending on its efficiency.