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Muscle Gain Potential Calculator

Table of contents

Why calculate your maximum muscular potential?

Quite simply, to set yourself goals that are not unrealistic. To do this, you need to know your genetic limits and your full maximum muscular potential.

Because each individual has his or her own, and this means you won't be discouraged by comparing your progress with that of other practitioners who may have different genetic abilities.

Knowing your full potential means having yourself as a role model and being able to measure your progress more accurately.

Another advantage of calculating this value is that it helps you to plan your training sessions effectively.

If you know what you want to achieve naturally, you'll be able to structure your sessions to maximise your gains without exposing yourself to unnecessary risks that could lead to injury and slow your progress.

How do I use the calculator?

Le muscle potential calculator was created by our team on the basis of scientific research and equations enabling us to calculate it in a way that's a bit more complicated!

Here's how to use it easily:

Select your gender from the drop-down menu. Then enter your current weight, expressed in kilograms or pounds, whichever you prefer. Continue by entering your body fat percentage. To find out this value accurately, you can use a skinfold forceps or an impedance scale to obtain this measurement.

Alternatively, you can refer to this photo below and estimate your rate.

body fat percentage in photo man woman

Then measure the circumference of your wrist and your ankle. We recommend that you use a flexible tape, which will still be more accurate. For the wrist, measure the space between the protruding bone and the hand. For the ankle, measure between the ankle bone and the start of the calf muscle. Finally, enter your height in centimetres or feet and inches.

Once all the data has been entered, the calculator automatically generates your results. These include your lean body mass (LBM), your attainable weightand the body fat. These results give you a realistic estimate of what you can achieve with a proper training and nutrition.

If you have to take measurements several times a year, remember to take them at the same time of day and under the same conditions so as not to distort your values.

Muscle Gain Potential Calculator

Results of your potential

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Once you've calculated your potential, it's important to know other values for your training. So we suggest that you calculate your 1 repetition max in bodybuilding which will enable you to know the ideal load to put on your muscle to shock it enough while reducing the risk of injury, and also your body fat percentage and what calculate the number of calories in your basal metabolic rate.

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Interpreting results: reference values

Here's how to understand the results of the calculator. Whether you are a man or a woman, the results will be interpreted in the same way from a theoretical point of view.

Depending on the values you enter, the results table will give you your maximum achievable (we'll go into more detail later in the article) if all the parameters are in your favour, and more realistic results on which you should obviously base yourself.

This will give you an idea of your weight, body fat, chest/pectoral circumference, waist, hips, arms, forearms and calves.

The calculator will also give you the result of your MBL, which we will go into in more detail below.

What is the LBM? How is it calculated?

Le LBM (Lean Body Mass)also known as lean body mass, is the amount of weight you have without including body fat. This is an important measurement for athletes and fitness enthusiasts like us, as it helps us to understand how much weight your body is made up of muscle, bone, water and other lean tissue.

To calculate the MBL in our calculator, we used the following formula, which is the most commonly used:

LBM = 0.407 * wrist circumference + 0.267 * ankle circumference + 0.287 * height + 8.875

Let's suppose we have three different profiles:

  • Profile 1: 174 cm waist, 17 cm wrist, 21 cm ankle
  • Profile 2: 180 cm waist, 20 cm wrist, 25 cm ankle
  • Profile 3: height 184 cm, wrist 18 cm, ankle 23 cm

For the Profile 1 :

LBM = 0.407 * 17 + 0.267 * 21 + 0.287 * 174 + 8.875 = 70.29 kg (154.96 lbs)

For the Profile 2 :

LBM = 0.407 * 20 + 0.267 * 25 + 0.287 * 180 + 8.875 = 81.25 kg (179.10 lbs)

For the Profile 3 :

LBM = 0.407 * 18 + 0.267 * 23 + 0.287 * 184 + 8.875 = 77.70 kg (171.30 lbs)

What is achievable weight? 

Le attainable weight represents the maximum weight you can realistically achieve without resorting to steroids and maximum, if all the parameters are in your favour.

This is still an estimate, but it is essential for setting realistic weight and muscle goals, and for avoiding setting unrealistic expectations which could lead to frustration once again. As bodybuilding is already a fairly frustrating discipline, we only have to look at it when we stop for a few weeks!

How is it calculated?

The achievable weight has been calculated from the following values Lean Body Mass (LBM). This lean body mass is then adjusted according to the optimal body fat percentage to obtain the achievable weight.

For example, if your BMI is 70 kg and the optimal body fat percentage is 10 %, the achievable weight is calculated by adjusting this BMI to include this fat percentage.

What is body fat? 

With regard to body fat, we have defined it as the difference between your total weight and your lean body mass (LBM). It will therefore obviously represent the total amount of fat in your body, including essential fat and storage fat. 

How is it calculated?

The method for calculating body fat is simple: simply subtract the LBM from your total weight.

For example, if your total weight is 80 kg and your BMI is 65 kg, then your body fat is 15 kg. 

However, fat mass plays an important role in health: too much fat can increase the risk of cardiovascular disease, diabetes and other health problems. Conversely, a percentage of fat that is too low can affect hormonal functions and the immune system.

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