|This tool provides only an approximation.
For a more precise number, we suggest purchasing a
digital copy of The Healthy Lifestyle Change book.
|This tool provides
only an approximation.
For a more precise number,
and for information about
why your body fat
percentage is your most
we suggest purchasing
a digital copy of
The Healthy Lifestyle
|Use the search box tool above to lookup the
calorie and nutritional information for your
daily food consumption journals. The database
contains both generic terms as well as fast food.
(Search results appear in new window)
|To reach your goals, you need to know where you are, where you’re going and how you’re going to get
there. Please feel free to use these tools, provided absolutely free, to help you do all of that and more!
Instant Health Snapshot
Use this calculator to get a better picture of your overall health. Input your information in this tool to
determine your BMR, BMI, and IBW.
Your BMR or Basal metabolic rate, and the closely related resting metabolic rate (RMR), is the amount of
daily energy expended while at rest in a neutrally temperate environment, in the post-absorptive state
(meaning that the digestive system is inactive, which requires about twelve hours of fasting in humans).
The release of energy in this state is sufficient only for the functioning of the vital organs, the heart,
lungs, nervous system, kidneys, liver, intestine, sex organs, muscles, and skin.
The body mass index or BMI, is a heuristic proxy for human body fat based on an individual's weight and
height. BMI does not actually measure the percentage of body fat. It was invented between 1830 and
1850 by the Belgian polymath Adolphe Quetelet during the course of developing "social physics". Body
mass index is defined as the individual's body weight divided by the square of his or her height. The
formulae universally used in medicine produce a unit of measure of kg/m2. BMI can also be determined
using a BMI chart, which displays BMI as a function of weight (horizontal axis) and height (vertical axis)
using contour lines for different values of BMI or colors for different BMI categories.
Your IBW or ideal body weight is the weight statistically determined on actuarial tables to be associated
with the lowest mortality for an average individual, adjusting for some combination of height, age,
frame size, and gender. Which factors should be included and how it should be determined remain
controversial. This number can give you an approximation of where you need to head on your dieting
Body Fat Calculator
The scale only tells half of the story! It is an inaccurate measurement that can’t distinguish the pounds
gained from excess fat from those gained from an increase in fat-burning muscle!
The easiest way to measure your body-fat percentage is with a formula created by the US Navy. Simply
put your measurements in the table to the right to calculate whether your body-fat percentage is within
a desired range.
* This body-fat calculator does not replace the advice of a medical professional. As with any body-fat
measurement method, it is not totally accurate. Accuracy estimates are +/– 3%. For a larger picture of
your numbers, purchase a copy of the Privia Healthy Lifestyle Change Non-Diet Diet Book.
Use a tape measure to determine your height without shoes.
Use a tape measure to determine the circumference of your abdomen at its
narrowest point. Don’t suck your stomach in!
Use a measuring tape to determine the circumference of your neck below the
larynx with the tape sloping slightly downward to the front.
Use a measuring tape to determine the circumference of your buttocks at their
The chart below is based on data from the American Council on Exercise. If you
are lean your body-fat percentage will likely fall into either the athletic or fitness
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