A perfect fitting bike will make you feel comfortable to ride. This online calculator is used to find the frame size of the bike. The bicycle size depends on type of bike, your height and leg length. To measure it, you need to first measure your height and your leg length.
Consider the bicycle type as full suspension and leg length is 24 cm, then
Frame size = 24 * 0.58
= 13.92 cm Therefore, the bike frame size is 13.92 cm