BMI (Body Mass Index) is a measure of body fat based on height and weight that applies to adult men and women. It's calculated as weight in kilograms divided by height in meters squared.
What are the BMI categories?
โข Underweight: BMI less than 18.5
โข Normal weight: BMI 18.5 to 24.9
โข Overweight: BMI 25 to 29.9
โข Obesity: BMI 30 or greater
Is BMI accurate for everyone?
BMI is a useful screening tool but doesn't account for muscle mass, bone density, overall body composition, and racial and sex differences. Athletes and pregnant women should use additional assessment methods.
How often should I check my BMI?
For most adults, checking BMI every 1-3 months is sufficient. Focus more on healthy habits than frequent measurements.
What's a healthy BMI for Asians?
For Asian populations, overweight is defined as BMI โฅ 23 and obesity as BMI โฅ 27.5 due to different body composition and health risks.