Body Mass Index Calculator

What is the body mass index (BMI)?

The body mass index (BMI) is a measure that uses your height and weight to work out if your weight is healthy.

BMI ranges

For most adults, an ideal BMI is in the 18.5 to 24.9 range.

  • below 18.5 – you're in the underweight range
  • between 18.5 and 24.9 – you're in the healthy weight range
  • between 25 and 29.9 – you're in the overweight range
  • between 30 and 39.9 – you're in the obese range

 BMI Calculator





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