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US Navy Calculator - Body Fat Calculator

What is my navy fitness level when measuring body fat using the Navy Body Fat Test and Navy Body Fat Chart?

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.

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Glenn   I'm so frustrated with this. I'm literally 1 inch either way from being 'ok' by these standards. 17 inch neck and 42 inch waist is 26% but if I go up just ONE inch in neck or down just ONE inch in waist I'm magically 2% less bf and 'within standards' according to the new rules. I'm not in the best of shape, i'll admit, I definitely need to lose the love handles, but it's just incredible how much difference a single inch can make or break a career. getting old sucks, but this system sucks just as much :(. Maybe I'm just hating because I'm not skinny anymore lol... - 4/15/2016 1:21:52 PM

Doc   I'm a chiropractor, and a clinical dietician. After using calipers and electronic scales or hand grips, my practice shows that this method is by far the most reliable. I usually do multiple (5) methods and average them, this one almost always is within 1% error ratio. - 4/7/2016 7:50:15 AM

Ralph   Steve, I think so too, I'm scoring a 14% bf, but I still got a tummy, no visible abs either. - 4/4/2016 3:39:58 AM

sigh   If I was a male I'd be considered fit...but add in my damn hips and I'm obese :( - 4/1/2016 5:58:49 PM

Steve   i dont believe this is accurate says im 14% Bf but i dont have visible abs i think this is very un lickly and would score my self at 17% - 3/15/2016 10:13:46 AM

PopeyeUK   This matches my BIA machine and they track each other with changes. i.e. waist decreases % here always matches my BIA within 0.2% - 3/14/2016 2:23:25 AM

Maria   Danika, no, overweight is not the same as obese. Obese means being at large risk for disease. It's when you're so overweight it starts being dangerous. - 3/5/2016 3:11:39 PM

Jochen   Blah - 2/25/2016 10:34:26 PM

Danika   Debbie Rodriguez, over weight is not acceptable, over weight is obese. - 2/5/2016 8:17:59 AM

DZ   Is this accurate? - 1/27/2016 9:33:32 AM

Debbie Rodriguez   sorry, not seeing a category between Acceptable and Obese. Does Acceptable include overweight? Thanks. - 1/6/2016 11:21:47 PM

i doubt it   the preloaded one they have says a 130 pound female with a 29 inch waist has 36lbs of fat mass. Have you seen what 5lbs of fat looks like? its like a football. lol, that times 7. i doubt this. - 12/21/2015 5:13:38 PM

tongueman   the tongue is the strongest muscle. How do you know im not one big tongue man?! how many people did they dissect to think they know this.odd - 12/21/2015 5:05:31 PM

Sam   Why am I in the "Dangerously Low" Category and will I be able to enlist in while in this category? - 12/11/2015 5:42:55 PM

eric   @tracy robinson I wouldn't be worrying about your weight i'd be worrying about the fact that your neck is bigger then your hips .... unless you look like kronk from emperors new groove that shouldn't be possible .... - 12/8/2015 11:23:55 AM

Howell   wow im skinnier than i thought. i like this. really accurate! (of course not 100% accurate) I've seen other websites that are similar to this. - 12/6/2015 6:24:34 PM

nonbeliever   "Obese" w/ a 33in waist,5' 4",137lbs? I question this... - 12/5/2015 10:17:38 PM

sam   what is my body fat - 12/3/2015 2:30:07 AM

heidi supinski   good - 12/2/2015 2:38:31 PM

Navyvet   This method of Body Fat % is about 95% accurate. I was a personal trainer (CFL) in the Navy and no believed that this was an accurate reading. So I went to the Air Force Base and got in the Egg and the body fat percentage was exactly the same. - 11/17/2015 8:50:54 AM


The Body Fat Navy Calculator is a Good Tool for Measuring Body Fat and Navy Fitness Level

The comments show passionate emotions and controversial disussions over this Body Fat Navy Calculator! Whether you like the results or not, we've had a couple of recruiters tell us they use it all the time. Please keep in mind that we did not develop the Navy fitness criteria, we just created this Body Fat Navy Calculator using their formulas and interpreted from their body fat chart as a way to help people who are monitoring and measuring body fat. I haven't been able to verify this, but I would guess the Navy's body fat test was developed decades ago by men and during a time when it was only used on male recruits because female servicewomen were not in combat roles.

No body fat percent calculator will be very accurate for people with a very muscular build. There is no argument that a hydrostatic or underwater test is by far the most accurate tool for body fat test tool, but it is not a practical tool to measure ongoing progress due to cost and availability.

There are other formulas for measuring body fat. You may also be interested in another body fat percent calculator: YMCA Body Fat Calculator, 3 Skinfold Body Fat Calculator, 4 Skinfold Body Fat Calculator, and 7 Skinfold Body Fat Calculator.

Field Help

Input Fields

TitleA title for these calculator results that will help you identify it if you have printed out several versions of the calculator.

US/MetricChoose US or Metric units.

GenderSelect your gender.

WeightYour current scale weight.

HeightYour 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 FatThe approximate percentage of your body's mass that is made up of fat.

Fat MassThe portion of your weight that is fat.

Lean MassThe portion of your weight that is lean (not fat).

Body Fat CategoryYour body fat category depends on your gender and your body fat percentage.

Body Fat Categories TableThis 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.

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