How do I convert Watt (W) to Kilowatt (kW)?

1 w equals 0.001 kw using SI-based conversion and precise factors.

What is the formula to convert Watt (W) to Kilowatt (kW)?

This is a linear unit conversion using a constant factor between units.

Yes, it uses exact definitions or standardized constants (e.g., 1 in = 25.4 mm).

Use the shareable URL pattern: /convert/w-to-kw/1

Category: Power

Value From To Precision

0.001 kw

1 w = 0.001 kw

High-precision rounding: 6 decimals

We convert by pivoting through the SI base unit for Power and applying exact factors where applicable.

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Power is rate of energy transfer; watts and horsepower dominate.

Watt (W)

SI power unit; J/s.

History: Named after James Watt.

Kilowatt (kW)

1,000 W.

History: Common for motors and appliances.