Body Mass Index (BMI)

Aussi connu sous le nom: BMI Formula, Body Mass Index Calculation

BMI = \frac{\text{weight (kg)}}{\text{height (m)}^2}

BMI = weight(kg) / height(m)²

Ce qu'il calcule

A screening tool that uses height and weight to estimate body fat. Categories: Underweight (<18.5), Normal (18.5–24.9), Overweight (25–29.9), Obese (30+). BMI does not measure body fat directly and may not be accurate for athletes or elderly.

variables

Symbol	Nom	Unité	Description
BMI	Body Mass Index	kg/m²	A screening measure for weight categories
weight	Weight	kg	Body weight in kilograms
height	Height	m	Height in meters

Exemples travaillés

1BMI = 70 / 1.75²

2BMI = 70 / 3.0625 = 22.86

Résultat: 22.86 (Normal)

Erreurs courantes

BMI doesn't distinguish between muscle and fat

Use imperial formula if using lbs/inches: (weight × 703) / height²

Essayez une calculatrice

bmi ideal body weight

Formules associées

Basal Metabolic Rate (Mifflin-St Jeor)

BMR = 10×weight(kg) + 6.25×height(cm) - 5×age + s

Body Fat Percentage (Navy Method)

BF% = 86.010×log10(waist-neck) - 70.041×log10(height) + 36.76

#body composition#screening#weight