Free Calculator Tool

BMI Calculator

Compute Body Mass Index plus the WHO category from your weight and height (metric or imperial).

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About this tool

Compute Body Mass Index plus the WHO category from your weight and height (metric or imperial).

Underweight (< 18.5), Normal (18.5–24.9), Overweight (25–29.9), Obese (≥ 30) per WHO 2024 guidelines.