Preliminary Bout Rule to Find Ideal Adult Net Weight Multiply number of inches over 5 ft. in height by 5½; add 110. For example: Height 5 ft. 7 in. without shoes. 7 x 5-1/2 = 38½   + 110    ——— Ideal weight 148½ If under 5 ft. multiply number of inches under 5 ft. by 5½ and subtract from 110. Are You Thin and Do You Want to Gain? Don't Read This  ... more...