The ATGO Dyno Calculator will take your vehicle weight and power to tell you what your 1/4 Mile time should be, and also calculate your Horsepower using your vehicle weight and 1/4 Mile Speed.
that the elapse time is the approximate time your vehicle should be
running. Although many factors influence elapse time the main factor is
traction. Usually if your vehicle does not have enough traction your
elpase time will be higher than the estimated. The other extreme is also
possible and usually occurs when you are using racing slick tires. The
horsepower calculation is correct by the definition of horsepower.
Horsepower is a measure of the force required to accelerate a weight to a
known speed in a know distance. So the generate horsepower by this
calculator is the actual horsepower at the rear wheels.