3/12/2025 05:08:44 AM
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Calculate HP with HP Correction






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These equations are for recreation only.


This calculator uses the Motorsports Standard Atmosphere (MSA). (Not ISA - International Standard Atmosphere)
Grains - Grains of water vapor per pound of dry air
The HP Correction is a better determination of ET than the DA (Density Altitude).
I have included them for your benefit.


HP Calculator
ET (1/8):
MPH (1/8):
Weight : (in pounds)
Track Elevation : (in feet)
Temperature (F): (in Degrees)
Relative Humidity (%):
Fuel Type: Gasoline
Alcohol
Power Type: Naturally Aspirated
Supercharged
Input DATA Please






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