The formula commonly used in the world to calculate human body weight, and the figure proportion calculation, the female standard weight (female) = (height cm- 100)x0.9(kg)-2.5(kg). Normal weight: standard weight+-(how much) 10%. Overweight: over standard weight 10% and under standard weight by 20%. Mild obesity: 20% above standard weight and 30% below standard weight. Moderate obesity: 30% above standard weight and 50% below standard weight. Severe obesity: Men are 50% overweight. -5 If the height is less than 165cm, subtract100; If the height is between 165 and 175, subtract175; If the height is higher than 175, subtract10; If the weight exceeds the standard weight, 10% is overweight.