Online BMI (Body Mass Index) Calculator
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
- Select your Ethnicity, Sex and Age.
- Enter your height in Centimeters (cm) or in Feet (ft.) and Inches (in.).
- Enter your weight in Kilograms (Kg) or in Pounds (Lb.).
- 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) |
Reference
- About BMI at wikipedia.org
- BMI classification by World Health organization (WHO).
- Journal: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines and The Obesity Society
Page Last Modified On: Jul 15, 2021
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