BMI calculator (body mass index)
BMI divides your weight by the square of your height. It is a population-level screening indicator, useful as a starting reference — and deliberately crude: it cannot tell muscle from fat. The result below comes with its limitations, because a number without its instructions misleads.
Your BMI
24.2kg/m²
Interpretation
Normal weight
Within the WHO reference range. Body composition and waist circumference remain more informative than BMI alone.
BMI distinguishes neither muscle from fat nor where that fat sits. A muscular athlete can land in the overweight band with no excess fat, and the index is poorly suited to children, older adults, pregnancy, and high muscle mass. It is a starting point, not a diagnosis: only a healthcare professional can interpret your situation.
BMI gives you a starting point. FitForm gives you what comes next.
AI-guided bodyweight HIIT sessions and a nutrition coach that tunes your deficit to your real weigh-in, week after week.
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Calculator — BMI calculator
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