The Free Fall Calculator determines the motion of an object under gravity using standard kinematic equations v=u+gtv = u + g tv=u+gt and s=ut+12gt2s = u t + \frac{1}{2} g t^2s=ut+21​gt2. By entering three of the four variables (initial velocity, final velocity, time, or distance), the calculator computes the missing value. This tool is useful for physics students, mechanics problems, and analyzing objects in free fall under uniform gravity.