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Navy Body Fat Calculator

Navy Body Fat Calculator

Access this online Navy BMI calculator and calculate the Navy body fat percentage, lean mass, and fat mass, by providing a couple of simple inputs.

Gender :

Age :

Weight :


Height :


Neck :


Waist :



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Use the Navy body fat calculator to determine the percentage of fat in someone’s body according to the standards of the US Navy.

This handy tool is based on your height, weight, waist, age, neck size and is intended to provide the accurate results swiftly.

Understanding Navy Body Fat Percentage:

This is the percentage of fat that is present in your body. Both essential and storage fats are included in it.

Essential body fat is in your bone marrow, organs, and nerves. The storage body fat accumulates when excess energy is gained from the food items. 

A specific amount of fat is necessary for the body to function normally. It helps regulate the body temperature, insulates organs and tissues, etc. 

Navy body fat percentage is the amount of fat that is allowed to be in your body if you are joining the Navy or a currently serving in the US Navy. 

Body Fat Categories Table:

The below table shows all the types of fats that are present in the bodies of males and females with their corresponding percentages.

Category Women (% fat) Men (% fat)
Essential Fat 10%-13% 2%-5%
Athletic 14%-20% 6%-13%
Fit 21%-24% 14%-17%
Acceptable 25%-31% 18%-25%
Obese 32% + 26% +

Navy Body Fat Percentage Formula:

Let’s have a look at the following Navy body fat equation:

Men’s Formula:

%BF = 495 / ( 1.0324 – 0.19077 * log10( waist – neck ) + 0.15456 * log10( height ) ) – 450

Women’s Formula:

%BF = 495 / ( 1.29579 – 0.35004 * log10( waist + hip – neck ) + 0.22100 * log10( height ) ) – 450

How to Calculate Navy Body Fat Percentage?

To perform the Navy method body fat calculation, you should have knowledge about a couple of body measurements that are listed below:


The height of the soldiers is measured without running shoes while standing straight and wearing a physical fitness uniform.


A measuring tape is used to measure the circumference below the larynx.


The waist is measured to the closest half inch at the point of the minimal abdominal circumference.


Use the tape around the hip to bring it over the greatest protrusion of the gluteal muscle when seen from the side. 

Once you have all of these body measurements, simply add the values in the above-mentioned Navy body fat percentage formula. If you are not good in calculations, then it’s better to get the assistance of an online Navy calculator and calculate body fat precisely. 

US Navy Body Fat Standards:

In the following table, we have provided the general Body Fat standards for males and females according to their age that are defined by the US Navy.

Age Male Female
18-21 22% 33%
22-29 23% 34%
30-39 24% 35%
40 and older 26% 36%

How Does This Navy Body Fat Calculator Serve You?

What Do You Need To Enter?

  • Gender
  • Age
  • Weight
  • Height
  • Neck
  • Waist

This Is What You Will Get!

This tool provides you with four essential body fat parameters that help keep your body fit and equal to the Navy standards. Let’s take a look at the following parameters:

Body Fat Percentage:

It shows the percentage of fat in your body.

Fat Mass:

This is all stored fat in your body and is used as energy. 

Lean Mass:

Lean mass is the difference between body weight and body fat weight. Meanwhile, it includes the mass of bones, muscles, blood, skin, etc. except the body fat. 

Body Fat Category:

This defines whether your body fat is acceptable or not. 

With the help of this Navy BCA calculator, you can determine your body fat and it lets you see where you are currently and where you want to be. 


At What Body Fat Do ABS Show?

 ABS starts showing when the body fat ranges between 8% to 16 %. There is no exact value of body fat percentages for ABS. 

Is Navy Body Fat Calculator Accurate?

This Navy fat calculator is not perfect, it just provides an estimation of your body fat according to various body parameters. 

What Does 15 Percent Body Fat Look Like Male?

If the body has 15 % body fat, then you will start seeing a change in the shape of the muscles, and your arms and shoulders will be more vascular. In short, you are on the track of getting six packs. 

How Much Body Fat Is Allowed In The US Navy?

In the US Navy, the allowed limit of Body Fat for men ranges from 22% to 26 %, and for women, this range is from 33% to 36 %. To check whether you can pass the Navy fat test or not get the help of a naval body fat calculator. 


From the source of How to Measure Body Fat Using the US Navy Method?