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## BMI / Body Mass Index Calculator

By now, most people who are trying to lose weight realize that weight alone cannot indicate your health. The healthy weight for someone who is 5'1" is far different than the healthy weight of someone who is 6'4". Also, someone who is thin-bodied with thin bones might have a different ideal weight than someone who has large hips and large bones - even if both of them are 5'6".

A Body Mass Index calculator works in a pretty simple manner. It takes your height and weight and determines if - in general - your weight is in a healthy range for your height.

Measure your height (including feet and inches) while standing barefoot. Now weigh yourself.

Height
feet: inches:

Weight
pounds:

BMI Ranges for adults, according to the US CDC:
 < 18.5 very good, perhaps even underweight depending on activity levels 18.5 - 24.9 healthy 25.0 - 29.9 overweight 30.0 - 34.9 obese class I (moderately obese) 35.9 - 40.0 obese class II (severely obese) 40.0 + obese class III (very severely obese / morbidly obese)

The behind-the-scenes calculation is weight (lb) / [height (in)]2 x 703

If you'd like to know just what your Basal Metabolic Rate (BMR) is, we do also have a BMR Calculator

It's important to note that this is your base level. Activity is in addition to this base level. To figure out how many calories your body needs including your activity levels, you would use the Harris-Benedict Equation.

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