Horsepower Calculator — Free Online Tool
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Horsepower Calculator

Calculate engine horsepower from torque and RPM using the standard formula

Horsepower Formula: $\text{Horsepower (HP)} = \frac{\text{Torque (lb}\cdot\text{ft)} \times \text{RPM}}{5252}$. Enter your engine specifications below.
Engine Parameters Input

Calculation Results

⚠️ Notice that at exactly 5,252 RPM, torque and horsepower curves will always cross and equal the exact same numerical value.

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