This 1/4 mile calculator uses the rear wheel horsepower instead of flywheel horsepower to determine the times and speed of the run.

RVsecure
variabledescription
rear wheel horsepowerhorsepower available at the rear wheels
weighttotal ready to run weight of vehicle including driver
elapsed time (ET)time to run the full length of the quarter mile
speedtrap speed at the end of the quarter mile
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