By CalculatorInn Team · Updated: 2026-03-22 · Free & accurate · Instant results
Calculate your Body Mass Index (BMI) using height and weight. This is for informational purposes only and not medical advice.
Interactive BMI Calculator
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BMI = Weight (kg) / Height (m)²
BMI is calculated by dividing weight in kilograms by height in meters squared.
BMI is a screening tool, not a diagnostic measure. It doesn't account for muscle mass, bone density, or body composition.
Underweight: <18.5, Normal: 18.5-24.9, Overweight: 25-29.9, Obese: 30+.
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