Estimates the current engine horsepower of your car based on various factors.
Start with your values, or try a preset.
Enter Vehicle Weight, Quarter Mile Time, Quarter Mile Trap Speed, and Drag Coefficient in the units shown.
Read Estimated Horsepower (Speed-based), Estimated Horsepower (Time-based), and Combined Estimated Horsepower in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
See the inputs and their calculated results.
Vehicle Weight: 2,500 lbs; Quarter Mile Time: 15 seconds; Quarter Mile Trap Speed: 90 mph; Drag Coefficient: 0.3
Estimated Horsepower (Speed-based): 166.2074417 hp; Estimated Horsepower (Time-based): 417.7423982 hp; Combined Estimated Horsepower: 291.9749199 hp
Vehicle Weight: 3,800 lbs; Quarter Mile Time: 13 seconds; Quarter Mile Trap Speed: 105 mph; Drag Coefficient: 0.4
Estimated Horsepower (Speed-based): 294.7411965 hp; Estimated Horsepower (Time-based): 732.6558983 hp; Combined Estimated Horsepower: 513.6985474 hp
Vehicle Weight: 3,500 lbs; Quarter Mile Time: 14 seconds; Quarter Mile Trap Speed: 100 mph; Drag Coefficient: 0.35
Estimated Horsepower (Speed-based): 258.5449093 hp; Estimated Horsepower (Time-based): 626.6135972 hp; Combined Estimated Horsepower: 442.5792532 hp
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