Power converter

W, kW, MW, mechanical hp, metric PS, and BTU/h — engine and electrical power converted at once.

Watts, kilowatts, mechanical hp vs metric PS, and BTU/h — engines, motors, and heaters on one row.

Mechanical hp = 745.7 W, metric PS = 735.5 W — they differ by 1.4 %, which is why catalog numbers drift.

Everything runs in this browser.

How to use

  1. Enter the power value.
  2. Pick its unit.
  3. Read all six units.

What it supports

W, kW, MW, hp (mechanical, 745.7 W), PS (metric, 735.5 W), BTU/h; non-negative values up to 1e18 W equivalent. hp and PS differ ~1.4 % — they are not interchangeable.

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