Power Converter (Watts to Horsepower) Formula

Understand the math behind the power converter (watts to horsepower). Each variable explained with a worked example.

Formulas Used

Horsepower

horsepower = value * 0.00134102

BTU per Hour

btu_hr = value * 3.41214

Variables

VariableDescriptionDefault
valuePower(W)746

How It Works

How to Convert Watts to Horsepower

Formulas

Horsepower = Watts × 0.00134102

BTU/hr = Watts × 3.41214

1 mechanical horsepower equals approximately 745.7 watts. 1 watt equals 3.41214 BTU per hour.

Worked Example

Convert 746 watts (approximately 1 horsepower) to hp and BTU/hr.

value = 746
  1. 01Horsepower = 746 × 0.00134102 = 1.0000 hp
  2. 02BTU/hr = 746 × 3.41214 = 2545.46 BTU/hr