HP to PS Calculator
Easily convert between horsepower (HP) and metric horsepower (PS) with our free calculator. Understand the difference between these power measurement units used in different regions.
Step 1: Input Value
Understanding HP and PS
Horsepower (HP) is an imperial unit of power commonly used in the US and UK. Pferdestärke (PS) is the metric equivalent used in Europe and Asia. 1 HP equals approximately 1.01387 PS.
Step 2: Additional Options
About the Conversion
The conversion between HP and PS is not exactly 1:1 due to different measurement standards. PS is approximately 1.4% less than HP. This calculator uses the precise conversion factor of 1 HP = 1.01387 PS.
Conversion Results
Conversion Result
Common HP to PS Conversions
| Horsepower (HP) | Metric Horsepower (PS) | Difference | Percentage |
|---|
Conversion Formula
HP to PS Formula
PS = HP × 1.01387
To convert horsepower to metric horsepower, multiply the HP value by 1.01387.
PS to HP Formula
HP = PS ÷ 1.01387
To convert metric horsepower to horsepower, divide the PS value by 1.01387.
About the Units
Horsepower (HP) is an imperial unit of power equal to approximately 745.7 watts. Pferdestärke (PS) is the German metric equivalent equal to approximately 735.5 watts. The slight difference in definition leads to the 1.01387 conversion factor.
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