BMI Calculator

Calculate your Body Mass Index and get personalized health insights

Calculate Your BMI

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About BMI

What is BMI?

Body Mass Index (BMI) is a simple calculation using a person's height and weight. The formula is BMI = weight (kg) / [height (m)]². It's a useful screening tool to identify whether a person is underweight, normal weight, overweight, or obese.

BMI Categories

Underweight: BMI < 18.5
Normal: BMI 18.5-24.9
Overweight: BMI 25-29.9
Obese Class I: BMI 30-34.9
Obese Class II: BMI 35-39.9
Obese Class III: BMI ≥ 40

Important Note

BMI is a screening tool and not a diagnostic of body fatness or health. It doesn't account for muscle mass, bone density, overall body composition, and racial and sex differences. Always consult with healthcare professionals for a comprehensive health assessment.