You can use the online calculator to quickly calculate the body mass index, or you can use the manual calculation method.
When the body mass index is less than 18.5, it means underweight; 18.5-24.9 is the normal range; 25-29.9 Overweight; 30-34.9 is mild obesity; 35-39.9 is moderately obese; More than 40 people are severely obese.
People with different age, gender and physiological characteristics have different body mass index values, so it is necessary to judge whether they are healthy according to the actual situation.