18.5 and 24.9 for a given height.weight_kg = BMI × height_m². So the range is: 18.5×h² to 24.9×h².1 in = 2.54 cm, 1 lb = 0.45359237 kg, 1 kg = 2.20462262 lb.Choose which optional categories you allow. Necessary cookies are always on. Privacy Policy.