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Calculators » Health » Body Mass Index
Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate body mass index (BMI) given height and weight values. Alternately, you can determine ideal body weight, given your height.
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BMI is a measure of fitness and indicates if you are under-weight, over-weight or of normal weight. The formula for BMI is:
BMI = Weight (in kg) / [Height (in m) * Height (in m)]
The body mass index is simply your body weight (in kilograms) divided by your height (in metres) squared.
|Classification||Cut-off points BMI(kg/m2)|
|Moderate thinness||16.00 - 16.99|
|Mild thinness||17.00 - 18.49|
|Normal range||18.50 - 24.99|
|Pre-obese||25.00 - 29.99|
|Obese class I||30.00 - 34.99|
|Obese class II||35.00 - 39.99|
|Obese class III||>=40.00|