NurseCalc → BMI Calculator

BMI Calculator

Calculate Body Mass Index for adult patients. Supports both metric (kg/cm) and imperial (lbs/inches) inputs.

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Body Mass Index

⚠️ BMI is a screening tool and does not diagnose body fatness or health status directly. Use clinical judgment and assess other factors including muscle mass, ethnicity, and age.

BMI Classification (WHO)

CategoryBMI
Underweight< 18.5
Normal weight18.5–24.9
Overweight25–29.9
Obese Class I30–34.9
Obese Class II35–39.9
Obese Class III≥ 40