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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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becky sucks   they say a 100 lb 23 yrs old female has 85 % lean mass with 15 % being fat. probably if u cut off my boobs i bet i weight a crap ton less. claims im athletic. so true cant sit my ass down. yeah had a kid too. whats ur excuse!stay jealous! sum how mine is perfect.i didnt have an issue using it. - 10/27/2014 11:44:00 AM

forreal   I work around Navy Sailors and I say this is some CRAP! The Navy has alot of FAT SAILORS walking around here. Iwould not trust this at all - 10/6/2014 5:13:12 PM

lmao   lol at everyone frauding their stats. Sorry but if you have a 40in waist then you are not solid muscle at all! And 18% on calipers but 34% based on waist to neck ratio?.....yeaaahhh suuurre lol next time have a professional do the calipers. For all the heavier set people on here the tape will actually be more accurate for you. Accept your bf and lose the weight! - 10/5/2014 5:46:30 PM

Christine   This is one of the craziest tables I've seen. I'm a very average female and calipers place me at 25%, which medical tables say is right smack in the middle of the healthy range. - 9/17/2014 11:31:36 PM

CL   This calculation measurement is antiquated and does poorly to measure body fat. I tried this method and came back at 34%. Calipers place me at 18%. - 8/26/2014 4:04:56 PM

jon   Navy standards are complete crap. I'm 6'2 216 and almost solid muscle but according to the navy I'm over my body fat percentage. But you see fat bodies walking around making tape that look like bag nasties in their uniforms. So I get punished for being physically fit and healthy and fat asses get to keep skating by. - 8/9/2014 9:41:39 PM

Lori   I'm 5'-4" and 129 pounds, and this calculator says I'm obese. I'm a size 6, the smallest size at most stores. Here's a recent photo of me: http://relievemypain.blogspot.com/p/recent-photos-of-me.html - 7/12/2014 6:30:18 AM

Becca   I love it. i was navy for 4.5 yrs and knowing my make up helps me to manage my life and be able to see the changes as they happen. i love that i can do it online quickly too. i will always suggest looking at body fat make up in sted of just pounds. pounds have always been an issue for me. - 7/2/2014 9:50:53 AM

Erin   I would love more info in opening and starting a fitness center. - 5/29/2014 12:06:39 AM

name   don't know what bob is talking about. 5'4", 96 lb male with a 26 inch waist and 13 inch neck comes out to 6% body fat and athletic body fat category. - 5/28/2014 12:27:42 PM

Chief   To clear up confusion: for the Navy the weight/height is conducted first, if you pass you do not conduct the measurements. If you do not pass the weight/height then measurements are conducted. For (waist/neck) measurements weight is not a factor, but height is. Although it is true that the measurements are to be taken with Navy Standard PT gear on, the tape portion is done against the bare skin and the amount of weight that the standard PT gear adds is negligible. There is one spot that isnt accurate on the tool, though. Next to neck it says "at narrowest". The instruction states: "The neck measurement will be taken on bare skin, at the point just below the Adam's Apple and perpendicular to the long axis of the neck." which may not necissarily be at the narrowest point. So, buff up that neck people! - 5/19/2014 8:15:49 AM

Mike   Far from accurate. Few years back the navy(Released in an issue of NavyTimes) even admitted it isn't accurate but it is still the standard they use because it requires no training/equipment(other than a tape measure) to administer. Oh and to the TM person current standards are from bare skin not through a shirt. - 5/15/2014 2:17:05 PM

TM   Actually, measurements for the Navy test are supposed to be taken clothed with a light tee shirt and shorts. Bet that will mess up your results even more! - 5/9/2014 10:16:25 PM

Hasan   This test is ridiculously inaccurate. If you doubt that keep your neck and waist inputs the same and watch what happens when you increase your weight. The body fat measurement remains the same whether I am 250 lbs or 1,250 lbs. Lame! - 5/8/2014 9:11:43 AM

Gene   This is a great tool to show progress regardless if its accuracy. Six months ago I started at 5'9 - 174 - 37 - 17 and now 149 - 33 - 15. Less calories and an hour a day exercising (no high impact - bike, planks, crunches, light weights). Calculator indicates I lost 4% BF and that is probably correct. Caliper is good too showing progress. I read there are three types of fat so the body density test is probably the best if someone really wants one accurate static measurement. - 5/3/2014 6:52:31 AM

Captain Obvious   To everyone commenting that it's inaccurate... It doesn't matter if there are more accurate methods. THIS IS THE METHOD THAT THE US NAVY USES TO DETERMINE THEIR STANDARDS. It's not the method that your local gym uses. It's not the method your doctor uses. It's ONLY a standardized method for weighing in during US Navy Physical Readiness Tests. - 4/15/2014 7:51:33 PM

bob   5'4'' 96 lbs male with 26'' waist and 13'' neck, it says I have 1% body fat and techically dead, which I'm not...Innacurate. - 4/14/2014 5:02:27 PM

dr   This is the less accurate test that can be done. Your two best are the electronic and the dunk test. - 4/13/2014 9:40:45 AM

ouflak   Disappointingly inaccurate and far to dependent on neck size. According to this calculator, I'm at 5% body fat. Now I'm lean, and unquestionably active and athletic, but I've never been at 5% body fat in my life, even when I was winning 5ks. And that's with some fudging. If I put my actual neck size in their (18 inches, buying dress shirts is very difficult because of this), the calculator says I have 0% body fat. Which I'm fairly certain, if my understanding of human biology is accurate, means I should fall over dead any second now. - 4/9/2014 6:33:13 AM

Patricia   FYI...the calculator needs only 4 pieces of information...ht, waist, hip, neck to generate your body fat percent. The wt is only used to estimate how much of your body is fat mass vs lean mass, but it is completely irrelevant to BF%. Regardless of how you personally feel about it, it is deamed pretty accurate, though nothing is 100% and there are always a few exceptions. Hips can be a disadvantage to some women, but in most cases a small waistline should counteract. If you have an expanded waistline and wide hips, your body fat is likely in an unacceptable range, whether you feel like you look like it or not. As a woman, I find it interesting that as you go down the list only women are questioning the accuracy of the tool. It is pretty accurate, if you don't like it, change it. - 4/3/2014 8:33:11 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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