Engine Horsepower Calculator

Calculate engine horsepower using torque and RPM measurements

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Understanding Engine Horsepower

Engine horsepower is a crucial measurement of an engine's power output. It represents the rate at which work is performed and is calculated using the following formula:

Horsepower = (Torque × RPM) ÷ 5252

Key Components:

  • Torque: The rotational force produced by the engine, measured in pound-feet (lb-ft)
  • RPM: Revolutions per minute, measuring how fast the engine is spinning
  • 5252: A constant derived from the mathematical relationship between horsepower, torque, and RPM

Common Applications

Understanding engine horsepower is essential for:

  • Vehicle performance assessment
  • Engine tuning and modification
  • Comparing different engines and vehicles
  • Racing and motorsport applications