3.7 Horsepower (international) to Watts

3.7 hp(I) ≈ 2759.1 W

Calculation: W = 3.7 hp(I) × 745.7 ≈ 2759.1 W

Horsepower (international) to Watt Converter

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How much power is 3.7 hp(I)?

2.76 kW (2,759 W) is comparable to an electric kettle.

What does 3.7 hp(I) look like?

Comparable to an electric kettle
2.76 kW (2,759 W) is comparable to an electric kettle.

Did you know? Electric kettle (UK) is 3,000 W.

UK kettles use 3,000 W (13 A x 230 V). US kettles max at 1,500 W, which is why they boil slower.

How to Convert Horsepower (international) to Watt

1 horsepower (international) = 745.7 watts

Watt = Horsepower (international) × 745.7

Example: 3.7 hp(I) × 745.7 = 2759.1 W

Reverse Conversion

To convert watts back to horsepower (international):

  • Remember, 1 watt equals 0.00134102 horsepower (international).
  • To convert 2759.1 W to hp(I), multiply 2759.1 x 0.00134102, resulting in 3.7 hp(I).

3.7 hp(I) is also equal to:

  • 2.7591 kilowatt
  • 0.0027591 megawatt
  • 3.6985 horsepower (electric)
About these units

Horsepower (international): International mechanical horsepower defined as exactly 550 ft·lbf/s.

Watt: SI base unit of power equal to one joule per second.

Frequently Asked Questions

How much is 3.7 horsepower (international) in watts?

3.7 horsepower (international) equals 2759.1 watts. This is calculated by multiplying 3.7 by the conversion factor 745.7.

What does 3.7 horsepower (international) look like in watts?

3.7 horsepower (international) equals 2759.1 watts, a conversion commonly needed for comparing engine ratings, electrical appliances, and generator capacities.

How do you calculate 3.7 horsepower (international) to watts?

Multiply 3.7 by the conversion factor 745.7. The calculation is 3.7 × 745.7 = 2759.1 watts. This factor is defined by international measurement standards.

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3.7 horsepower (international) = 2759.09 watts
3.7 horsepower (international) = 2759.09 watts — conversion chart

For general conversions between horsepower (international) and watts, see the horsepower (international) to watts converter.

Conversion factors verified against NIST, BIPM, ISO 80000-4 Based on SI base units (W = J/s, BIPM). Last reviewed: April 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.