What is your body mass index? With this simple and fast tool you can calculate your ideal weight, bmi and body fat ratio.Show your friends how fit you are!* See your ideal weight See your Body mass index See your Body Fat ratio See how much weight you must gain according to your BMI See how much weight you need to lose according to your BMI See if you are obese Below are the calculation formulas used in this application:Body Mass Index(BMI) :Weight / (Height x Height) BMI imperial conversion= BMI(metric) x 904Adult body fat: (1.20 BMI) + (0.23 Age) (10.8 Sex) 5.4Child (<16 age) body fat:(1.51 BMI) (0.70 Age) (3.6 Sex) + 1.4 For women ideal BMI is taken 21, for men it is taken 24.