28+ Arrow Energy Calculator. Enter your arrow weight in grains and velocity in feet per second to get the results and a $10 gift. (ke_a) is the arrow kinetic energy (joules), (av) is the arrow speed.

K e = 1 2 m v 2 ke = frac{1}{2}mv^2. Enter your arrow weight in grains and velocity in feet per second to get the results and a $10 gift. This archery calculator lets you calculate the estimated arrow speed and kinetic energy based on the draw weight (pounds) and the draw length (inches).





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