Body Mass Index

BMI Calculator for Women - Females - Men - Male and Teens

The BMI Calculator!

The Body Mass Index (BMI) Calculator can be used to calculate your BMI value and weight status while taking your age into consideration.

BMI Calculation! BMI is the most widely used diagnostic indicator to identify a person's optimal weight depending on his height.

Body Mass Index One way of checking if you are at a healthy weight is to know your BMI.

Body Mass Index

Your Body Mass Index is a measurement of your body weight based on your height and weight. Your BMI "number" will inform you if you are underweight, of normal weight, overweight, or obese. However, due to the wide variety of body types, the distribution of muscle and bone mass... It is not appropriate to use this as the only or final indication for diagnosis...

Body Mass Index Formula

The formulas to calculate BMI based on two of the most commonly used unit systems:

BMI = weight(kg)/height²(m²) (Metric Units)
BMI = 703·weight(lb)/height²(in²) (U.S. Units)

BMI Table for Adults

This body weight based on BMI values for adults. It is used for both men and women, age 18 or older.

Category	BMI range - kg/m²
Severe Thinness	< 16
Moderate Thinness	16 - 17
Mild Thinness	17 - 18.5
Normal	18.5 - 25
Overweight	25 - 30
Obese Class I	30 - 35
Obese Class II	35 - 40
Obese Class III	> 40

BMI can be used to screen for weight categories that may lead to health problems but it is not diagnostic of the body fatness or health of an individual.