HP ↔️ Torque Calculator

Author: Neo Huang Review By: Nancy Deng
LAST UPDATED: 2024-07-01 00:22:32 TOTAL USAGE: 11688 TAG: Engineering Mechanical Physics

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Torque (lb-ft): {{ torque }}

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Calculating torque from horsepower is a vital process in the automotive and engineering fields, offering a bridge between the power an engine produces and the rotational force it applies. This calculation allows for the optimization and understanding of engine performance.

HP to Torque Formula

The formula to convert horsepower (HP) to torque (T) in pound-feet (lb-ft) is as follows:

\[ T = \frac{HP}{\frac{RPM}{5252}} \]

Where:

  • T is the torque in pound-feet,
  • HP is the horsepower,
  • RPM is the rotations per minute.

Example Calculation

To illustrate, let's calculate the torque for an engine producing 300 horsepower at 6000 RPM:

\[ T = \frac{300}{\frac{6000}{5252}} = 262.6 \, \text{lb-ft} \]

Understanding HP and Torque

  • Horsepower is a measure of the engine's power output, indicating how much work it can perform over time.
  • Torque measures the engine's rotational force, essentially how much force the engine can apply to turn the wheels.

FAQs

  1. What is RPM?

    • RPM stands for rotations per minute, a unit measuring how many complete turns a mechanical component makes in one minute.
  2. Why is the number 5252 used in the formula?

    • The number 5252 is a constant derived from the relationship between horsepower, torque, and RPM, where HP and torque intersect at 5252 RPM in the formula.

This calculator simplifies the conversion process, providing an invaluable tool for automotive professionals, mechanics, and enthusiasts aiming to understand or enhance engine performance.

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