Standard Body Mass Index calculator. Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.
By losing weight or maintaining a healthy weight, you are also likely to enjoy these quality-of-life factors too. It is used as a screening tool to identify whether an adult is at a healthy weight. Waist circumference and body mass index (BMI) are indirect ways to assess your body.
BMI is a person’s weight in kilograms divided by the square of height in meters. In general, BMI is an inexpensive and easy-to-perform method of screening for weight category, for example underweight, normal or healthy weight, overweight, and obesity. BMI can be used as a screening.
BMI is a measure that adults and children can use to see if they are a healthy weight for their height. For most adults, an ideal BMI is in the 18.5 to 24.9 range .
What is a person's ideal weight, and how do height, age, and other factors affect it ? Find out more and use our tools to get a better idea of how.