Power converter
Convert power units with separate definitions for mechanical and metric horsepower.
Your inputs
The editable example is illustrative. Enter your own dimensions, operating data, prices, and fees. Results update as you edit.
Calculations run in your browser. Inputs are not saved or sent to analytics.
How it works
- Converted value = × f₁ ÷ f₂; SI: W
- Worked example: 1 kW = 1,000 W; 1 Metric horsepower = 735.49875 W
- Supported input limits: : 0 ≤ x ≤ 1,000,000,000,000
Input and formula key
Your result
Complete the inputs to see your result.
Assumptions and limitations
Mechanical horsepower is about 745.70 W; metric horsepower is 735.49875 W. Select the convention stated on your equipment. Power conversion does not determine energy consumption, electrical input current or an engine’s efficiency.
Sources
- NIST — conversion factor conventions Sources reviewed: 2026-10-06
- NIST — conversion factor table B.8 Sources reviewed: 2026-10-06
