Under normal circumstances, the most perfect height and weight ratio of girls, there is a formula for calculating the specific formula is as follows: the girl’s height multiplied by 1.37 minus 110cm, then multiplied by 0.45 value is the girl’s height, weight the most standard value, if the height is 1 m 68, the most standard weight value is 54kg. according to this and so on can be calculated Girls height and weight standards. If it is greater than this standard means that the height or weight is large, and if it is less than this standard, it means that the weight is small.