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Conversion Calculators

Power Converter

Verified formula Updated Jun 2026 Private — runs on your device

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Verified formula Private

Horsepower (hp)

1.3410

Kilowatt (kW)
1.0000
Watt (W)
1,000.00
Metric horsepower (PS)
1.3596

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Power Converter

The Power Converter works out your horsepower (hp), along with 3 related figures in an instant. Enter power and from unit and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the power.
  2. Choose the from unit.
  3. Read off your horsepower (hp), together with kilowatt (kw), watt (w) and metric horsepower (ps) — the calculator updates automatically, with no button to press.

Worked example

For example, with power of 1 and from unit of Kilowatt (kW), the horsepower (hp) is 1.3410.

Inputs used
Power 1
From unit Kilowatt (kW)
Results
Horsepower (hp) 1.3410
Kilowatt (kW) 1.0000
Watt (W) 1,000.00
Metric horsepower (PS) 1.3596

Results are estimates for educational use, not professional advice.

Frequently asked questions

One kilowatt equals about 1.341 mechanical horsepower. So a 1 kW motor is roughly 1.34 hp.

Mechanical horsepower (hp) is about 745.7 watts, while metric horsepower (PS) is about 735.5 watts, so they differ by a little over 1%.

Divide watts by 1000. For example, 1500 W is 1.5 kW.

BTU per hour rates the heating and cooling capacity of air conditioners and heaters. One watt is about 3.412 BTU per hour.

Enter the power. Choose the from unit. Read off your horsepower (hp), together with kilowatt (kw), watt (w) and metric horsepower (ps) — the calculator updates automatically, with no button to press.

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