Tuesday, October 18, 2011

Free BMI Calculator -Calculate Your BMI

Free BMI Calculator -Calculate Your BMI

Cached National Institute of Health (NIH) page uses height and weight (English or metric) to determine amount of body fat.Standard BMI Calculator - Metric BMI Calculator How to Measure Your Risk: Body Mass Index

Most of us know when we gain weight. Clothes no longer fit. The mirror becomes an irritating reminder, and the scale is permanently hidden under the bed. But it’s far too easy to overlook these warning signs and remain in the dark about your health risks from overweight and obesity.

Fortunately, science offers two methods for assessing body fat. While they’re not perfectly accurate, they both tell you whether, and how urgently, you need to take steps to control your weight and reduce your cancer risk.

  
1. Body Mass Index (BMI)* is one common method used to measure overweight and obesity. BMI is a measure of body fat based on a person's weight and height. The BMI chart shows four ranges: underweight, healthy, overweight and obese. Staying within the healthy range throughout life is important for lowering your cancer risk.

Use the BMI Calculator, the mathematical formula, or the BMI chart to estimate your total body fat.

2. Waist Circumference is another method of assessing your body weight. All you need to do is find a tape measure and follow these easy steps.

Place a tape measure around your waist immediately above the tip of your hipbone.

Measure your waist after exhaling.
Determine your health risk. For women, a waist measurement of 31.5 inches or more indicates high risk. For men, a waist measurement of 37 inches or more indicates high risk.

   

3. BMI - Mathematical Formula

Body Mass Index equation:
BMI = [ weight in pounds            
(height in inches) x (height in inches)   ] x 703

For example, a person who weighs 150 pounds and is 5 feet 3 inches tall has a BMI of 26.5.
[      150 lbs.           
(63 inches) x (63 inches) ] x 703 = 26.5
BMI Chart

To use the table, find your height in the left-hand column labeled "height." Locate your weight (in pounds) to the right. The number at the bottom of that weight column is the BMI for your height and weight.


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