Ideal weight (kg): height (cm) – 105 (kg) Normal weight (kg): ideal weight ± 10% (kg) Wasting: weight loss more than 10% of the normal standard Overweight: greater than 10% of ideal weight less than 20% of ideal weight Obesity: greater than 20% of ideal weight Mild obesity: greater than 20% of ideal weight less than ideal weight 30% Moderate obesity: greater than 30% of ideal weight less than 50% of ideal weight Severe obesity: greater than 50% of ideal weight BMI = weight (kg)/height2 (m2) Normal: BMI at 18.5-23.9 kg/ m2 Overweight: BMI at 24—28 kg/ m2 Obese: BMI ≥ 28 kg/ m2