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Body Fat Estimate (US Navy formula) Calculator Help

This Body Fat Navy Calculator uses the U.S. Navy fitness formula to get an estimated measuring of body fat percent. Use a tape measure then enter your waist, hip, and neck measurements. Combine these measurements with your gender and height and this navy calculator will estimate body fat percent, lean mass, fat mass, and your general navy fitness category. (You can see the Navy Body Fat Chart by clicking the down arrow icon right under the results.) The water displacement test is the most accurate way to determine body fat percent, but the Navy Body Fat test or YMCA formula is accurate within 1-3% for most people.

Input Fields:

Title A title for these calculator results that will help you identify it if you have printed out several versions of the calculator.
US/Metric Choose US or Metric units.
Gender Select your gender.
Weight Your current scale weight.
Height Your height. Use feet (ft) and inches (in) if units is US or centimeters (cm) if units is Metric.
Waist (at narrowest) Your waist measurement at its narrowest point (usually right above the belly button).
Waist (at navel) Your waist measurement at the navel (or belly button).
Hip (at widest) Your hip measurement at its widest point.
Neck (at narrowest) Your neck measurement at its narrowest point.

Output Fields:

Body Fat The approximate percentage of your body's mass that is made up of fat.
Fat Mass The portion of your weight that is fat.
Lean Mass The portion of your weight that is lean (not fat).
Body Fat Category Your body fat category depends on your gender and your body fat percentage.
Body Fat Categories Table This table shows you the Body Fat Range for each Classification so you can see how close your calculated Body Fat percentage is to the next Body Fat Classification range.

Buttons and Checkboxes:

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All calculators are made available as self-help tools for your independent use with results based on information provided by the user. All examples are hypothetical and are for illustrative purposes only. Calculated results are believed to be accurate but results are not guaranteed. Exercise, Fitness, Health, and Weight Loss calculators are not for providing medical advice and should not be used as a substitute for advice from a medical professional. Users are advised to check with a physician before undertaking any strenuous exercise or diet plan.
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Updated 04 Jul 2007