# Online BMI (Body Mass Index) Calculator

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Enter your height and weight and then click the "Calculate BMI" button.

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ft
Feet
in
Inches
cm
Centimeters
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lb
Pounds
kg
Kilograms

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## About BMI Calculator

This online BMI calculator takes your weight and height as input and calculates your BMI in Kg/m2. BMI can be calculated for either male or female and age starting from 2 years.

### Using the BMI calculator

1. Select your Ethnicity, Sex and Age.
2. Enter your height in Centimeters (cm) or in Feet (ft.) and Inches (in.).
3. Enter your weight in Kilograms (Kg) or in Pounds (Lb.).
4. Then, click the Calculate BMI button. The BMI will be calculated and the result will be displayed in the box below the button.

NOTE: BMI calculator may not provide accurate results for people with muscular body mass and athletic people. So, always consult with your doctor before taking any health and diet decisions

## BMI (Body Mass Index)

Body Mass Index abbreviated as BMI is the mass of the human body in kilogram divided by the square of the height in meters. BMI is expressed in kg/m2.

### Formula

BMI = masskg ÷ heightm2

Where:

• masskg = mass of the human body in kilograms.
• heightm = height of the human body in meters.

#### In Metric System

BMI = masslb ÷ heightin2 × 703

Where:

• masslb = mass of the human body in pounds.
• heightin = height of the human body in inches.

### General BMI Range Clasification

BMI in Kg/m2 BMI Category
Less than 15 Highly Severe Underweight
15 to 15.9 Severe Underweight
16 to 18.4 Underweight
18.5 to 24.9 Normal - Healthy Weight
25 to 29.9 Overweight
30 to 34.9 Obese Class 1 (Moderate Obese)
35 to 39.9 Obese Class 2 (Severe Obese)
40 and above Obese Class 3 (Highly Severe Obese)

### BMI Range for South Asians

BMI in Kg/m2 BMI Category
Less than 18.4 Underweight
18.5 to 22.9 Normal - Healthy Weight
23 to 24.9 Overweight
25 to 29.9 Obese Class 1 (Moderate Obese)
30 and above Obese Class 2 (Severe Obese)

Page Last Modified On: Jul 15, 2021

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