BMI is far from useless. Unless you're sporting a six-pack, over 6'4 or under 5'1; BMI will fairly accurately gauge your overall fitness level. The range for

BMI is far from useless. Unless you're sporting a six-pack, over 6'4 or under 5'1; BMI will fairly accurately gauge your overall fitness level. The range for a normal adult is absolutely huge. Small-fat and body-builders are the only people who have any reason to be skeptical of their own BMI.