BMI Calculator

Muscular builds can read high; athletes should also track body-fat %.

Some guidelines use lower cutoffs for Asian populations — ask your doctor.

Your Body Mass Index.

Weight (kg) Height (cm)

Formula: BMI = weight(kg) ÷ height(m)². WHO categories: <18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, 30+ obese.

FAQs

Is BMI accurate for athletes?

Muscular builds can read high; athletes should also track body-fat %.

Does BMI differ by ethnicity?

Some guidelines use lower cutoffs for Asian populations — ask your doctor.