Q. Im just curious. So yeah, what is the maximum bmi you could have, and still not have a period?
A. it depends on your natural size. some girls can healthily have a low weight because of genetics. that's not my case however and i lost my period when i was around a 17 BMI.
Can a BMI calculator tell the difference between muscle and fat?
Q. I'm a naturally thin person (I'm 5'5" and normally about 100 lbs.), but I'm also very athletic. During the cross country season I'm often 108-110 lbs. because muscle weighs more than fat. Whenever I calculate my BMI it says that I have a higher percentage of body fat when I'm more in shape, even though I know this is not accurate. Is there a BMI calculator available that can distinguish between fat and muscle?
A. Nope BMI does not measure body fat percentage, it's merely a comparison of height and weight and takes no account of frame size, muscle mass, etc.
The only way to get an accurate body fat reading is by DEXA, hydrostatic weighing or body fat callipers.
The only way to get an accurate body fat reading is by DEXA, hydrostatic weighing or body fat callipers.
Is your BMI the amount of calories you burn just being alive?
Q. I feel rather stupid for asking that, but I am not sure. Is that why you must eat that amount of calories to maintain your weight?
A. No, the BMR- the basal metabolic rate- is the number of calories you burn to maintain your body's functions. To find out how many calories you must eat to maintain your weight, you multiply your BMR by the number that represents your activity level. If you are not active at all, you multiply your BMR by 1.2. And increase the factor depending on your activity.
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