How many watts are in one metric horsepower?

One metric horsepower equals 735.49875 W. The formula is W = PS × 735.49875.

How do I convert metric horsepower to watts?

Multiply the value in metric horsepower by 735.49875. For example, 100 × 735.49875 = 73,549.875 — so 100 PS = 73,549.875 W.

Pair · linear · factor 735.49875

metric horsepower to watts

PSW

Active unit

metric horsepower · ≈ 73,549.88 W (base)

All units

5 results

Click to activate · Ctrl-click to set target

PSmetric horsepower100

How we calculated this

Target:

Frequently asked questions

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