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Quarter Mile Calculator - 1/4 Mile Time
Free quarter mile calculator. Estimate 1/4 mile time and trap speed from horsepower and weight. Perfect for drag racing enthusiasts.
Quarter Mile Calculator
Estimate your 1/4 mile time
Quarter Mile
Enter your values to see results
and click the "Calculate" button
Quarter Mile Calculator
Estimate your quarter mile time from horsepower and weight. The quarter mile (1320 feet) is the standard drag racing distance.
Quarter Mile Formulas
ET = 5.825 × (Weight/HP)^0.333 | MPH = 234 × (HP/Weight)^0.333
Based on theoretical physics and empirical data. Actual times depend on traction, launch, gearing, and driver skill.
Frequently Asked Questions
Why doesn't my actual time match?
This is theoretical. Real times depend on traction, launch technique, transmission losses, altitude, and temperature.
What's a good quarter mile time?
Average car: 15-17s. Sports car: 12-14s. Muscle car: 11-13s. Supercar: 10-11s. Top Fuel dragster: <4s.
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