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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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Leroy   my BF numbers for comparison across methods: Navy tape formula: 3% most recent InBody230: 4.9% Recent Tanita: ~ 5% to 8%, depending on hydration Calipers (3-pt Jackson Pollack): ~ 6% Calipers (suprailiac): ~ 9% based on my last two DEXA scans, I would guess BF is just above 9% - 5/1/2015 1:24:13 AM

Leroy   I daily use calipers, a tanita bioimpedance scale, and these formulas at home, I periodically use an InBody230 bioimpedance scale at a supplement store where I also get tested with calipers by an experienced tester, and I have had three DEXA scans in the last year. I can offer some general observations. (1) Using the tape measure and calipers objectively on yourself is difficult. (2) The formulas in all these methods use assumptions that produce systematic errors. (3) The methods are more consistent with each other if you are fat, but diverge considerably as you get leaner. (4) formulas like the US Navy BF estimator drastically underestimate BF compared to a DEXA scan, and it gets worse as you get leaner. (5) how you look and feel is more important than a number, but the numbers help you to be objective about your health and fitness... no one who values fitness wants to admit to themselves that they are fat. - 5/1/2015 1:13:47 AM

nyanyanyah   my BMI is almost 25. I figured because I love running and hiking a little too much, I must be heavy from muscles. how surprised I was when the impedance machine told me my body fat is 33%. I don't even have boobs. I don't even have love handles. I wear asian size s for skirt and size m for tops, goddamnit. this test tells me my bf% is 23%. now I don't know what to trust anymore. - 4/25/2015 2:45:11 AM

jim malone   cool - 4/24/2015 8:21:32 PM

Yaroslava   Why did I GET 4%? My thighs are very fat and I eat too much! - 4/12/2015 7:29:41 PM

Marco   Seems accurate. The comments are hilarious, most people have much more fat than they realize and you can tell they are in denial. For a male your waste should not me more than 47% of your height. Meaning if you are 72" tall your waist should be 34". If not then you are fat. period. Lou Ferrigno was 6'5" with a 34" waist. Arnold 6'1" 33" get the idea. - 4/10/2015 6:37:44 AM

Milan   I don't think this is accurate.I got 8% body fat and I don't look like i have 8% body fat at all. I don't even have a six pack - 4/6/2015 2:50:00 PM

Body Fat Calculator   Body fat calculator is one among the foremost helpful tools for several individuals. In fact, they are available in several forms. one among the foremost innovative kind is thru the net body fat percentage calculator. - 4/1/2015 8:29:45 AM

John   I would say this is probably accurate. I can't do a hydrostatic, underwater, or caliper test but doing four different formulas net me pretty much the same result at around 11~13%. This one, army, usmc, ymca. If you're getting higher than expected body fat percentage, then you are fatter than you think. 180 lb, 6" 2', 32 in waist, 15 in neck - 3/29/2015 10:24:42 AM

Sandra   Lol - 3/26/2015 4:51:38 AM

Sylvia   This is actually useful to log my body fat % to keep track of my weight training. - 3/21/2015 7:31:59 PM

pinkjest   there is no way this is accurate. I'm down 9 pounds since the last time I had myself tested at a medical facility and then I was at 28%. This calculator is telling me I'm at 34 and that I'm obese... I'm a size 10! I can run a 9 minute mile... this is bunk. - 3/20/2015 11:21:09 AM

Kevin Burke   It is not saying I have high body fat percentage it says I have athletic body fat percentage at 13% so I have no reason to complain but this can't possibly be very accurate because it doesn’t directly measure body fat (or even attempt to). - 3/19/2015 11:47:27 PM

Reliable   Calculator is fine. Those who are getting results different from the calculator with the calipers are probably either measuring wrongly with the tape or with the caliper. - 3/4/2015 5:50:36 AM

Vance   I put 1000 pounds for male at 6ft 2 and it says "acceptable" - 2/25/2015 7:13:48 PM

TripleE   I think this is actually pretty accurate. I'm 44, female, 5"2 (almost), and 114# ... I haven't done calipers, but comparing myself to pictures, using the fat impedance scale, and the above formula I get roughly 22% every time. - 2/25/2015 7:09:12 AM

Jeff   Body fat scale comparing to pictures of people at different % and calipers say I'm 17% this says 30%. Won't bother with this. - 2/14/2015 8:51:27 PM

Mia   I feel like this calculator is too good to be true. I thought I was 18%, but apparently I'm 12%??? - 1/31/2015 8:45:58 AM

Bevaboo   I am LOLing at a lot of these posts about this calculator being 'rigged', mostly because I was looking at this and thinking that, surely, I have more than 22% body fat. But, according to many of you, this calculator is off in the opposite direction, and I'm actually, what, about 13% body fat? It sounds to me like this is a good tool for general calculation, but if you are a special snowflake, someone with big muscles or big boobs, for example, you're better off paying for the hydrostatic test. I'm not a special snowflake, so I'm inclined to trust this. I'm still going to compare its results with other methods of measuring body fat percentage, but I think we should all keep in mind that math doesn't change as time passes. Pythagorus developed his theorem in 5th century BCE, and you know what? It's still valid. If you had 25% body fat with a given waist and hip size in 1949, you're going to have 25% body fat in 2015. Math doesn't change. - 1/14/2015 3:13:24 PM

FutureSailorWerner   Dunking is accurate, this table is generated off of most standards, however, I am not above 6'0" and weigh 225. I can run a mile in 7.55 and pass the PFT no problem once I'm in. - 1/4/2015 1:08:14 PM

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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