Standard weight can be calculated by simplified formula or body mass index (BMI), the standard weight of 1.63 meters girls is about 58kg, between 49kg ~ 63.5kg are normal. 1.simplified formula: the simplified formula for standard weight is based on height. 1. Simplified formula: The simplified formula for standard weight is based on height, and the formula is: standard weight (kg)=height (cm)-105. Therefore, the standard weight for a 1.63 meter girl is 58kg. 2. Body Mass Index (BMI): BMI is commonly used to measure the degree of fat and thin indicators, BMI = weight (kg) / height (m)², for 1.63 meters girls, 18.5 ≤ BMI & lt; 23.9 is a normal body type, corresponding to the weight of 49kg ~ 63.5kg. It should be noted that it is recommended that girls keep their weight within the standard range, the weight should not be too heavy, which may easily cause metabolic-related diseases; the weight should not be too light, which is prone to endocrine disorders, poor resistance, poor mental health and other adverse consequences. In the process of losing weight, if girls feel unwell, they should consult a doctor in time.