BMI Calculator

Calculate Body Mass Index using weight and height, then see the general BMI category for the result.

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Use this calculator to calculate BMI using weight in kilograms and height in centimetres.

Result0

Enter weight and height to calculate BMI.

BMI is a general screening measure. It does not diagnose health conditions or replace medical advice.

BMI Formula

BMI stands for Body Mass Index. It compares weight with height using a simple formula.

BMI = weight in kg ÷ height in metres²

Example

If weight is 70 kg and height is 1.75 m, the BMI calculation is:

70 ÷ (1.75 × 1.75) = 22.86

BMI Categories

  • Below 18.5: Underweight range
  • 18.5 to 24.9: Healthy weight range
  • 25 to 29.9: Overweight range
  • 30 or above: Obesity range

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