BMI Calculator

A complete body snapshot — BMI, waist ratio, ideal weight & daily calories.

Your details

Gender

Age (years)

Unit system

Weight (kg)

Height (cm)

Weight (lbs)

Height (ft)

Height (in)

Waist (cm) optional

Waist (in) optional

Activity level for calorie estimate

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Fill in your details and hit Calculate to see your full body snapshot.

BMI categories (adults 18+)

Under 18.5 — Underweight 18.5–24.9 — Normal 25–29.9 — Overweight 30+ — Obesity

Medical disclaimer: BMI is a screening tool, not a diagnosis. It cannot distinguish muscle from fat, and thresholds vary by age, ethnicity, and body composition. Waist measurements add context but are not definitive. Always consult a healthcare provider for personalised advice. Learn more about BMI