Select your gender and enter your weight and height in respective fields. The calculator will instantly calculate the fat-free mass index.
The fat-free mass index is usually abbreviated as FFMI that is used to analyze and determine the total actual amount of muscle mass carried by any human being with their height. Its calculation isn't commonly considered, but the specific calculator gives you an accurate pointer about your health and body condition as per requirement. Moreover, you can identify any sort of steroid abuse using them.
If your lifestyle is very simple and you don't take any sort of fitness training, but you have a concern in the building of your muscle mass or want to improve your body configuration, then the fat free mass calculator will provide you with a speedy photograph of the health of your body. This FFMI calculator is an online tool that specifically designed to calculate the Fat-Free Mass Index of your body.
Well, before knowing about this calculator, let’s start with some basics!
In a research fat-free mass index was calculated in a sample of 157 male athletes. Out of 157 individuals, 83 were using anabolic-androgenic steroids, and 74 were not using anything. FFMI is demarcated by the formula that is = (fat-free body mass in kg) x (height in meters)-2. Minor alteration of 6.3 x (1.80 m - height) was added to standardize the values to the height of a 1.8-m man. The standardized values of participants who had not consumed steroids protracted up to a precise limit of 25.0.
Correspondingly, a group of 20 Mr. America champions from the pre-steroid era (1939-1959), for whom the researcher estimated a mean score of 25.4. By contrast, many of the steroid consumers exceeded 25.0 on the FFMI scale; some participants even have beaten 30. Thus, even if these conclusions must be observed as maiden, it seems that FFMI may signify a valuable preliminary measure to monitor for probable steroid misuse or fat-free body weight without consumption of steroids, particularly in athletic, medicinal, or pathological circumstances in which personalities may effort to repudiate such conduct.
It defines the total volume of your muscle mass with the height and weight of your body. We can say that it is a fragment of the species of body catalogs. Even though it has a smaller number of users, it is more accurate than many other indexes for the calculation of fat-free body weight. Its calculators use 3 sorts of factors as their inputs to provide a total notch of muscle mass:
The following table specifies the organization of FFMI indexes.
| FFMI range | Description |
| below 18 | Below average |
| 18 - 20 | Average |
| 20 - 22 | Above average |
| 22 - 23 | Excellent |
| 23 - 26 | Superior |
| 26 - 28 | Suspicion of steroid use |
| more than 28 | Steroid usage likely |
Point to be Noted:
Final results between 26-27.9 may specify the practice of steroids, but still might be achievable naturally, but final scores of FFMI between 28-30 represents steroid abuse.
FFMI calculator can be prescribed as a health tool that is capable of evaluating your body mass while correspondingly considering the muscle and fat mass of the body as well. Three features are being cast-off (weightiness, body fat proportion and tallness). This calculator is supple, and you can use either the English or the Metric dimension units. Furthermore, you can make as many calculations as you want without any cost.
It permits you to compute your fat-free mass index, constructed on your body fat, weightiness, and tallness.
For the estimation of your FFMI, there are some simple steps to follow:
Results
The delivered results comprise the thin body mass, the FFMI, and the accustomed FFMI via the assistance of formulas.
FFMI is always going to be different for men and women. The fundamental reason behind the fact is the difference in the body composition of both genders. As the NHS states that, males naturally own less body fat as compared to females. While talking about the females, we can say that naturally they have more body fat for the maintenance of their menstrual rotation and to provide more support to the process of childbirth. Women are inclined to grow adipose tissue, which is a wobbly connective tissue composed of fat in the human body, specifically around their hips and thighs. If we talk about Men, commonly they tend to gather adipose fat around the body trunk and belly.
Following is the table that shows men's and women's FFMI scores with their conforming percentile. Fundamentally, the higher the percentile, the thinner body mass someone has. FFMI calculators are all there to assist you in calculating the final score for yourself.
Fat-Free Body Mass Index Ranges by Percentile:
| Percentile | Men | Women |
| 95% | 22 | 18.5 |
| 90% | 21 | 18 |
| 75% | 20 | 17 |
| 50% | 19 | 16 |
Fat-Free Mass Index Ranges for Men
| Description of FFMI Range | Body fat percent |
| Thin man | 17-18 to 10-18 |
| Usual normal man | 18-20 to 20-27 |
| Chubby man | 19-21 to 25-40 |
| Sportsperson / regular gym user | 20-21 to 10-18 |
| Progressive gym freak | 22-23 to 6-12 |
| Best strength athlete (bodybuilders, etc.) | 24-25 to 8-20 |
Fat-Free Mass Index Ranges for Women
| Description of FFMI Range | Body fat percent |
| Thin women | 14-15 to 20-25 |
| Usual normal women | 14-17 to22-35 |
| Chubby women | 15-18 to 30-45 |
| Sport women or gym user | 16-17 to 18-25 |
| Gym freak | 18-20 to 15-22 |
| Bodybuilder | 19-22 to 15-30 |
Once you find the range according to your gender, you can easily observe the FFMI scale with more convenience according to your outcomes.
Fat-Free Mass Index (FFMI) is a more accurate degree that centers its numbers off fat-free mass. It is beneficial for distinctive purposes between really over-heavy folks due to additional body fat and "overheavy" persons due to metabolically energetic, strong muscle tissue. Therefore, it is possible to use it in correspondence with BMI. In terms of its usage for defining the "natural" limit of muscle growth, it is responsible for some valuable statistics, but fat-free body mass index does not clear up the vague zones between exclusive level steroid manipulators until the upper limit (FFMI of over 28.0).
You can find several mathematical formulas to calculate ffmi, these are:
For males, the regular FFMI is 18.9, and 95% of grownup men have an FFMI between 17 and 21. For females, the normal FFMI is 15.4, and 95% of grownup females have an FFMI between 14 and 17.5
Fundamentally, FFMI is one of the finest prognosticators of the volume of total lean muscle mass that anyone could cultivate. Furthermore, it is an unbelievably precise pointer of whether or not somebody is consuming steroids.
Fat-free mass is one of two human body apparatuses. It comprises interior structures, bone of the body, muscle, water quantity in the body, and amount of connective tissue. Fat-free mass varies from fat mass. Many Dissimilar approaches are used for the estimation of its proportion.
FFMI is usually well-defined by the formula (fat-free body mass in kg) x (height in meters)-2. A correction of 6.3 x (1.80 m - height) will be added to regularize these values to the man with the height of a 1.8-m. The regularized FFMI values of players who had not consumed steroids protracted up to a well-defined limit of 25.0.
It is said to be that you should look at 25 as the upper limit fat free mass index (FFMI), which you hope for achieve as a natural weight lifter. This referred to as if you’re 5’11 with a body fat of 8%, and an FFMI of 24.5, then only you would end up weighing 190 pounds.
Fat-free mass is said to be one of the two human body components. And, FFM is the thing that includes internal organs, muscle, water, bone, and connective tissue. Remember that fat-free mass is differs from fat mass. You can try the above fat free mass index calculator to calculate your FFMI.
In the end, we can conclude that the Fat-Free Body Mass Index is an auxiliary branch to BMI which delivers interpretations for a person's muscle mass. The usual masculine scores about 19 and it is hard to score overhead 25 without consuming steroids or other forbidden substances. All those individuals who are involved in such practices can be screened out via taking assistance from above fat free mass index calculator .
This calculator is developed for educational/informational purposes only. For the more accurate results it’s better to consult some professional as well.
From the source of Verywellfit - By Jennifer R. Scott - Benefits of Improving Fat-Free Mass
By Chris Muir - General Health - What Is A Normal FFMI - Use FFMI To Determine Your Potential
From the source of european journal of clinical nutrition - Calculation of FFM and FM indexes - Comparison of fat-free mass index (FFMI) and fat mass index in Chinese adults
Department of Clinical Nutrition - Department of Medical examination center (Beijing 100730, China) - PMCID: PMC3703297 - The utility of fat mass index vs. body mass index and Body Fat% in the screening of metabolic syndrome
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