BMI Calculator

Your details

Your body weight, kilograms in metric, pounds in imperial.
kg
Your height, centimetres in metric, inches in imperial.
cm
Used only to flag when adult cut-offs do not apply. Under 20s should use a child or teen percentile chart.
years
Several health authorities use a lower upper limit (about 23) for people of South and East Asian descent.
Body Mass IndexHealthy weight
22.9kg/m²

Weight relative to height

BMI Prime0.91
Ponderal Index13.1kg/m³
Healthy weight range56.7 to 76.6 kg
Weight to lose or gainInside the healthy range (0 kg)
22.9
Underweight<18.5Healthy18.5-25Overweight25-30Obesity30+

Your BMI is 22.9, in the healthy range.

  • A healthy weight for your height is about 56.7 to 76.6 kg.
  • Your weight already sits inside the healthy range for your height.
  • BMI is a screening tool, not a diagnosis: it ignores muscle mass, bone density and where fat is stored.

Next stepFor a fuller picture, pair this with a waist-to-height ratio or body-fat estimate, which capture risk that BMI misses.

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