165cm girls standard weight is 60kg, usually weight in the standard value ± 10% range are normal. If it is below the normal range value of 10%-20%, it means thin; below the normal range value >20% is thin; if it is above the normal range value of 10%-20%, it is overweight; above the normal range value >20% is obese. Standard weight is within a range, can be estimated by calculating the formula for the value, commonly used standard weight calculation methods are the following three: 1, simple method: standard weight (kg) = height (cm) – 105. weight within ± 10% are normal, so 165cm girls weight in the range of 54-66kg are normal; 2, the World Health Organization standard method: the standard male Weight (kg) = (height cm-80) × 0.7; girls standard weight (kg) = (height cm-70) × 0.6; 3, body mass index: body mass index = weight kg/height (cm)^2, the normal range of body mass index is 18.5-24.9. Note that the standard weight formula is only applicable to adults, for the elderly, children or dwarfism and other patients is not applicable. It is not applicable to the elderly, children or people with dwarfism. Standard weight is also related to race, lifestyle habits and other aspects, such as frequent fitness or athletes, weight may exceed the upper limit of the normal range, but the body fat percentage is in the normal range, and no disease, also in a normal state, so to judge a person’s physical state to make a comprehensive judgment, not just look at weight.