Calculate BMI (Body mass index)

BMI Calculator
Use this calculator to check your body mass index (BMI).
BMI Calculator
Unit type
Height
cm.
Please enter value between 125 and 225.
Weight
kg.
Please enter value between 10.0 and 500.0 ( one decimal ).
Height
ft.
in.
Please enter value between 4.2 and 7.3
Weight
lb.
st.
Please enter value between 22.0 and 1000.0 ( one decimal ).
Calculate BMI
Use this calculator to check your body mass index (BMI), which can be a helpful tool in determining your weight category. Or, use it to calculate your child’s BMI.

What is BMI

BMI, or Body Mass Index, is a measurement that uses a person’s height and weight to estimate their body fat and assess their overall leanness or corpulence. It is a widely used tool to determine if an individual has a healthy weight for their height. The BMI value calculated places a person in different categories: underweight, normal weight, overweight, or obese, depending on the range it falls into. These BMI ranges can vary by region and age, and may include more specific subcategories such as severely underweight or very severely obese. Although BMI is not a perfect measure of body fat, it serves as a helpful indicator for identifying whether further testing or action may be needed due to potential health risks associated with being underweight or overweight. The table below illustrates the various BMI categories used by the calculator.

BMI Table

The World Health Organization (WHO) provides recommended body weight categories based on BMI values for adults. These guidelines are applicable to both men and women aged 20 and above.

Classification

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