BMI Calculator
Calculate bmi with clear inputs and instant results.
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Calculated locallyAdult educational estimate, not a diagnosis or personalized nutrition plan. Not for children, pregnancy, breastfeeding, or medical dietary needs. Consult a qualified professional before changing your diet.
Behind the answer
Weight (kg) ÷ height (metres)²
Change the inputs to explore your own scenario. Results use full calculation precision and are rounded for display.
Sources: CDC BMI guidance ↗ · Mifflin–St Jeor study ↗