Body Mass Index Calculator
Use the calculator below to calculate Body Mass Index for adults ages 20 to 65 years of age.
Body Mass Index (BMI) is a number calculated from a person's weight and height. BMI provides a reliable indicator of body fatness for most people and is used to screen for weight categories that may lead to health problems.
*BMI categories may over or underestimate true body mass proportions in some cases. BMI may over-estimate body fat in individuals with a higher than average muscular build. BMI may underestimate body fat in older persons or those who have a lower than average amount of muscle.
**Disclaimer, data entered to calculate BMI is not stored by this site, it is for displayed for educational purposes only.