Calculate Body Fat with a Calculator

How to Calculate Body Fat with a Calculator?

The body fat calculator formula can be managed to determine your total body fat based on precise dimensions. Apply the “Metric Units” check if you are more satisfied with it or not. The body fat calculator formula may not be estimated 100% accurate, but moreover, the data can show near be numbers or sometimes exceed, don’t panic. Try to consult the doctor to get the recommendations.

What is body fat?

It is a greasy muscle; its primary method is to save energy in forming lipids; moreover, it cushions and protects your body. Body fat has two types:

  1. Essential body fat: It happens more in women because of childbearing and hormonal purposes.
  2. Storage body fat: The additional mass fat. It protects the abdomen and other internal organs.

How to calculate body fat percentage?

You can estimate your body fat with a body fat percentage calculator. Moreover, there are no calculators, which can lead to accurate data. You

can calculate it as a rough estimation. It may tell you drastically higher; there’s no reason to get fear; it usually happens sometimes. To calculate body fat percentage with a calculator, You require a list of information that is:

  • Age and gender
  • Weight: before breakfast 
  • Height: without shoes

Once you have collected all the knowledge, you can insert them into the body fat percentage calculator. If you are required in how it works, here is the formula we do:

body fat calculator metric % = –44.988 + (0.503 * age) + (10.689 * gender) + (3.172 * BMI) – (0.026 * BMI2) + (0.181 * BMI * gender) – (0.02 * BMI * age) – (0.005 * BMI2 * gender) + (0.00021 * BMI2 * age)


  • Gender value: male = 0 and female = 1
  • BMI = weight/ height² = kg/m²

Calculate Your Body Fat

English Metric
Female Male

The estimation percentage will not be 100% accurate due to the population’s different body types. For example, an extremely muscular person can get high height and weight values.

Is my body fat calculator metric percentage average?

Once you measure your body fat percentage, you should examine it with the suggested values. According to the list of American Council on Exercise here are the specialized groups are:


Essential fat 10-13% 2-5%
Athletes 14-20% 6-13%
Fitness 21-24% 14-17%
Average 25-31% 18-24%
Obese 32%+ 25%+

This result indicates that if your body fat calculator metric is lower than 31% for body fat percentage female and 24% for body fat percentage men, you are in the common area and have nothing to bother.


Higher levels of body fat may be dangerous for you. The chart here explains the average body fat percentages of Americans from samples between 1999–2004. It is secured from the National Health and Nutrition Examination Survey in the U.S.

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