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Horsepower Calculator
Calculate horsepower using torque, drag strip performance, or electric motor specs.
Torque & RPM
ET Method
Speed Method
Electric Motor
Torque (lb-ft)
Engine Speed (RPM)
Calculate Horsepower
Vehicle Weight (lbs)
1/4 Mile Time (seconds)
Calculate Horsepower
Vehicle Weight (lbs)
Trap Speed (mph)
Calculate Horsepower
Voltage (V)
Current (Amps)
Efficiency (%)
Calculate Horsepower
Mechanical Horsepower
0 HP
Kilowatts (kW)
0 kW
Metric Horsepower (PS)
0 PS