Kinetic Energy Calculator

Enter any two, then press "Calculate"

Arrow Weight (grains)	Arrow Velocity (ft./sec.)	Kinetic Energy (ft.lbs.)

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The below chart is a close approximation of arrow speed calculated by inches of arrow drop between 20 & 40 yards.
You must be able to shoot a "decent group" at 40 yards.This method is better than nothing if you do not have access to a chronograph. All numbers are rounded off.

inches of drop	FPS
29	220
24	240
21	260
18	280
16	300
14	320
13	330
11	340
10	350
9	360