BMI Calulator is a number calculated from a person s weight and height. BMI is a fairly reliable indicator of body fatness for most people. BMI does not measure body fat directly, but research has shown that BMI correlates to direct measures of body fat. BMI can be considered an alternative for direct measures of body fat. BMI Calulator is an inexpensive and easy-to-perform method of screening for weight categories that may lead to health problems-- First we have to enter name,age and phone number.-- Then You can calulate BMI and see the result.-- You can also save the result and see in history.-- You can also share your BMI infimation.