What does bmi mean

Body mass index means body mass index (BMI), which is a commonly used international standard to measure the degree of obesity and health. The formula is: body mass index = weight ÷ height 2. (Weight unit: kg; Height unit: meter. For example, if a woman weighs 50kg and is 1.6m tall, her body mass index is 50 (1.6x1.6).

Body mass index can be used to judge whether a person is overweight or obese. Generally speaking, a normal person's body mass index is between 18.5 and 24.9, with over 25 being overweight and over 30 being obese.

Besides body mass index, there are other methods to judge whether a person is overweight or obese, such as standard weight method and waist circumference measurement. But the body mass index is a simple and practical method, which can accurately reflect a person's physical condition.