BMI (body mass index) is a number used to determine a person's category of body fat. It is a somewhat complicated formula, which in pounds would be determined by BMI = (weight in pounds / (height in inches x height in inches) ) x 703. For example, if you are 106 lbs and 63" tall, you would use 106/3969, since 63 x 63 = 3969. The equation, 0.0267 is then multiplied by 703, resulting in a BMI of 18.77. The number obtained puts a person in the following categories: below 18.5 is underweight, 18.5 to 24.9 is normal, 25 to 29.9 is overweight, and 30.0 and above is obese. Many home scales now offer a handy tool included that will calculate a persons BMI for them.
Seca Quadra 808 Digital Body Fat Analyzer/BMI Scale
The Seca Quadra 808 Digital Body Fat Analyzer/BMI Scale is a lovely addition to any bathroom with it's extra sturdy glass platform. Not only does it display the user's BMI, it also measures BIA (bioelectrical impedance analysis). BIA is a way to measure what percentage of the body is fat and water by means of a safe electrical current sent through the body. Four different user settings can be stored and a two-year warranty is included. As of 2009, the average price is $95.
The Biggest Loser Body Fat & Body Water Monitor with BMI by Taylor
The Biggest Loser Body Fat & Body Water Monitor with BMI by Taylor is loaded with many features. Besides calculating BMI, it measures body fat and body water and indicates recommended calorie intake. It has stainless steel foot pads and a slim profile. It has a large LCD display, stores individual data for up to eight people, and comes with a five-year warranty. As of 2009, the average price is $34.88.
Tanita WB-3000 Digital Health Care Beam Scale
Tanita, a weight scale leader, offers the WB-3000 Digital Health Care Beam Scale. This is a professional-grade scale with a maximum weight capacity of 440 lbs and a two-year warranty. There are no extra buttons to push to calculate BMI; a mechanical height rod will measure a person while they are being weighed. A stand-up design comes with casters for easy mobility. As of 2009, the average price is $377.50.
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