How many kilowatts are in one watt?

One watt equals 0.001 kW. The formula is kW = W × 0.001.

How do I convert watts to kilowatts?

Multiply the value in watts by 0.001. For example, 100 × 0.001 = 0.1 — so 100 W = 0.1 kW.

Pair · linear · factor 0.001

watts to kilowatts

WkW

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watts · ≈ 100 W (base)

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Wwatt100

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A glowing emerald silhouette of a horse dissolving into the outline of a piston and a gear, wrapped in a geometric grid, against a cosmic nebula in violet and magenta

Power

Horsepower vs kilowatts — why we still measure engines in horses

We live in the age of electric cars and processors, yet we still rate engine power in a unit based on a working horse from an 18th-century mine. Horsepower is one of the most durable marketing coups in the history of engineering — invented to sell steam engines. Here is where it came from, why 1 hp is not the power of one horse, and why the authorities insist on kilowatts.

12 min