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BMI Calculator
Body Mass Index from height and weight, in metric or imperial, with the WHO category and the healthy weight range for your height.
Your measurements
Body Mass Index
23.0
Healthy weight
▲
1518.5253040
CategoryHealthy weight
Healthy range for your height54.7 kg – 73.7 kg
How the categories are defined
Underweight< 18.5
Healthy weight18.5 – 25
Overweight25 – 30
Obesity class I30 – 35
Obesity class II35 – 40
Obesity class III40+
BMI is a rough population-level screen, not a diagnosis. It does not distinguish muscle from fat and is less meaningful for athletes, children, pregnancy, and across different ethnic groups. Talk to a clinician before acting on it.