Body fat percentage calculator is used to calculate body fat percentage in the human body. It determines the total percentage of fat in the body by taking various measurements of the body. It is a very efficient and robust calculator that produces results in no time.
In this post, we will explain how to measure body fat percentage, body fat percentage men, body fat percentage women, body fat percentage formula, and much more.
To use our ideal body fat percentage calculator, follow the below steps:
It will give you the body fat, body fat percentage, army body fat, navy body fat, lean body mass, and ideal body mass.
The formula for body fat percentage is as follow:
Lean body mass (men) \(=\left(\text{weight}\times 1.082\right)+94.42-\text{waist}\times 5.15\)
Lean body mass (women) \(=\left(\text{weight}\times 0.732\right)+8.987+\dfrac{\text{wrist}}{3.140}-\text{waist}\times 0.157-\text{hip}\times 0.249+\text{forearm}\times 0.434\)
Body fat weight \(= \text{weight} - \text{lean body mass}\)
Body fat percentage (BFP) \(=\dfrac{\text{body fat weight}}{\text{weight}}\)
How much body fat do I have? How to find body fat percentage? What is my body fat percentage? If you have these kinds of questions in your mind, you are surely in the right place.
To calculate the body fat percentage, follow these steps carefully:
A 21 years old boy Sam has a weight of 40 kg. His other measurements are:
Waist: 32 inch
Neck: 15 inch
Height: 72 inch
Find the body fat percentage of Sam?
Solution:
As we already have all the measurements, we only need to substitute values in the above equations, which is step number 6. So we start from step 6.
Step 1: First, calculate the lean body mass.
Lean Body Mass (men) \(=\left(\text{weight}\times 1.082\right)+94.42-\text{Waist}\times 4.15\)
\(= (40 \times 1.082) + 94.42 - 32 \times 4.15\)
\(= 4.9\)
Step 2: Calculate body fat weight.
Body Fat Weight \(= \text{weight} - \text{lean body mass}\)
\(= 40 - 4.9\)
\(= 35.1\)
Step 3: Calculate the body fat percentage.
Body Fat Percentage (BFP) \(= \dfrac{\text{body fat weight}}{\text{weight}}\)
\(= \dfrac{35.1}{40}\)
\(= 0.8775 = 87.75%\)
Below is the body fat percentage table for men and women.
Classification | Women | Men |
Low Body Fat Risk | Under 15% | Under 5% |
Ultra Lean | 15-18% | 5-8% |
Lean | 18-22% | 8-12% |
Moderately Lean | 22-30% | 12-20% |
Excess Fat | 30-40% | 20-30% |
High Body Fat Risk | Above 40% | Above 30% |
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