Horsepower Calculator (Track) — Free Online Calculator & Formula Guide
Estimate your vehicle's horsepower from quarter-mile ET and trap speed using the Hale formula. Includes drivetrain loss estimation (FWD/RWD/AWD) and power-to-weight ratio.
Horsepower
Results below
Enter Values
Crank (BHP)
358.9 HP
Wheel HP (WHP)
294.3 HP
Power-to-Weight
9.8 lbs/hp
Method
Average of both
HP from ET
354.2 HP
HP from Speed
363.6 HP
Performance Tier
▲ Performance
Scenario Comparison
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Power-to-Weight
9.8 lbs/hp
Crank (BHP)
358.9
Wheel (WHP)
294.3
Drivetrain Loss
ET vs Speed Comparison
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