1.Height (cm) – 105 = your ideal weight (kg) Your ideal weight (kg) * 10% = your standard weight (kg); 10% – 20% of your standard weight (kg) Overweight; 20% of your standard weight (kg) Obese; 10% – 20% of your standard weight (kg) Less than your standard weight (kg) 10% – 20% weight loss; less than 20% of your standard weight (kg) wasting. 2, according to the waist circumference (Asia-Pacific region): more than 90cm for men; more than 80cm for women. 3, height body mass index (BMI) = weight (kg) divided by height (m) divided by height (m) Men: BMI greater than 25 overweight; BMI greater than 29 obese. Women: BMI greater than 24 overweight; BMI greater than 28 obese.