Engine Horsepower Calculator

Calculate your engine’s horsepower, estimate vehicle performance, and optimize power output with Liwwe’s advanced online tool.

What is the Engine Horsepower Calculator?

The Engine Horsepower Calculator by Liwwe is a powerful tool designed for automotive enthusiasts, mechanics, and engineers to estimate an engine’s horsepower based on key performance metrics. Whether you’re tuning a car, comparing vehicles, or planning upgrades, this calculator provides accurate insights into engine power. It supports multiple methods, including trap speed, ET (elapsed time), and torque-based calculations, making it versatile for various use cases.

Key features include:

  • Multiple Calculation Methods: Calculate horsepower using trap speed, quarter-mile time, or torque and RPM.
  • Vehicle Weight Consideration: Factor in vehicle weight for precise estimates.
  • Unit Flexibility: Supports both imperial and metric units.
  • Responsive Design: Use it seamlessly on any device.

Calculate Horsepower (Trap Speed Method)

Calculate Horsepower (ET Method)

Calculate Horsepower (Torque Method)

Result