Horsepower Calculator
Calculate engine horsepower from torque and RPM or estimate HP from quarter mile time and vehicle weight. Convert between HP, kW, and metric horsepower.
Inputs
lb-ft
RPM
lbs
seconds
Results
Horsepower (SAE)
366.5 HP
Kilowatts273.3 kW
Metric Horsepower371.6 PS
BTU per Hour932,602
Torque Estimate350 lb-ft
Formula UsedHP = (Torque × RPM) / 5252
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