With a height of 158cm, the weight should be maintained at 46.2 to 59.7kg, i.e. 92.4 to 119.4 pounds.
Normal weight can be based on the body mass index BMI as a reference, referred to as the body mass index, which can be used to measure the human body fat and thin, in some aspects, also reflects the degree of health of the human body, the calculation formula is: body mass index = weight ÷ height ². (Weight in kilograms; height in meters).
Taking Chinese adults as a reference, the normal body mass index is about 18.5 to 23.9, less than 18.5 for underweight, can be appropriate weight gain; greater than or equal to 24 for overweight, more than 28 is obesity, need to actively intervene in the weight.
Using the normal body mass index range and your own height value, bring into the body mass index formula, you can calculate the normal weight range.