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Engine Horsepower Calculator
Estimate engine horsepower based on displacement, airflow, fuel flow, or BMEP.
Displacement & RPM
Fuel Flow
Airflow (CFM)
BMEP Method
Displacement
Unit
Cubic Inches (CID)
Liters (L)
Cubic Centimeters (cc)
Engine Speed (RPM)
Volumetric Efficiency (%)
Calculate Horsepower
Fuel Flow Rate (lbs/hr)
BSFC (lb/hp·h)
Calculate Horsepower
Airflow Rate (CFM)
Calculate Horsepower
BMEP (PSI)
Displacement (CID)
RPM
Calculate Horsepower
Estimated Engine Horsepower
0 HP
Kilowatts (kW)
0 kW
Metric Horsepower (PS)
0 PS