Category · 6 units

Power

Power converter - convert between watts, kilowatts, megawatts, metric horsepower (PS), mechanical horsepower (hp) and BTU per hour.

Active unit

watts · ≈ 100 W (base)

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5 results
  • Wwatt100
How we calculated this
Target:
Formula
kW = W × 0.001
Calculation
100 × 0.001 = 0.1
Factor
× 0.001

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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

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