Body Mass Index (BMI) calculator:
BMI categories table for adults (age ≥ 20) BMI Category BMI Range(kg/m2) Health risk Underweight 18.4 and below Malnutrition risk Normal weight 18.5 - 24.9 Low risk Overweight 25 - 29.9 Enchanced risk Moderately obese 30 - 34.9 Medium risk Severely obese 35 - 39.9 High risk Very severely obese 40 and above Very high risk BMI categories table for kids/children (age < 20) BMI Category BMI Percentile(kg/m2) Health risk Underweight Less than 5th percentile Malnutrition risk Normal weight 5th percentile to less than 85th percentile Low risk Overweight 85th percentile to less than 95th percentile Enchanced risk Obese 95th percentile and greater High risk BMI chart Source: wikimedia BMI formulaThe BMI (Body Mass Index) in (kg/m2) is equal to the mass in kilograms (kg) divided by the square height in meters (m):
BMI(kg/m2) = mass(kg)height2(m)The BMI (Body Mass Index) in (kg/m2) is equal to the mass in pounds (lbs) divided by the square height in inches (in) times 703:
BMI(kg/m2) = mass(lb)height2(in) × 703See also Body mass index Kg to pounds converter Feet+inches to cm converter Height converter