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Calculate ET Change From HPC Change







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These equations are for recreation only.


This calculator uses the Motorsports Standard Atmosphere (MSA). (Not ISA - International Standard Atmosphere)
The HP Correction is a better determination of ET than the DA (Density Altitude).

To figure out your HPC use this:
ADI Calculator


New ET From HPC Change Calculator

ET :
MPH :
Original HPC @ ET :
New HPC (conditions now) :

Input DATA Please