The World Health Organization recommends using Body Mass Index (BMI) to measure obesity. Its calculation formula is weight (kilograms) divided by height (meters) squared. .
BMI index (body mass index, abbreviated as body mass index, also known as weight, English is Body Mass Index, abbreviated as BMI), which is a number obtained by dividing the weight in kilograms by the square of the height in meters. It is currently commonly used internationally A standard to measure the body's fatness and thinness and whether it is healthy. Mainly used for statistical purposes, when we need to compare and analyze the health impact of a person's weight on people of different heights, the BMI value is a neutral and reliable indicator.