2022-02-10 11:00:00
there is no ideal weight strictly speaking, it is a subjective notion with which we must be very careful. Even if there are formulas that allow it to be calculated according to the sexfrom morphology or of the framethe most important thing is to be healthy and feel good about yourself. body mass index is the only indicator endorsed by the World Health Organization (WHO).
What is the “concept of ideal weight”?
The primary function of the ideal weight is to determine the weight at which a person is most likely to remain healthy and to reduce the risks caused by being too low in weight, overweight or obesity such as the occurrence of high blood pressure. , cardiovascular disorders or diabetes.
The ideal weight does not correspond to a precise weight, but rather to a range around an average weight qualified as “ theoretical ideal weight “. This “theoretical ideal weight” varies from one individual to another depending on their height, sex, age, morphology, the importance of their musculature and many other factors notably genetic.
From personal criteria which intervene in the calculation of the ideal weight, that of the sex is particularly differentiating. “Indeed, women are on average smaller, have lower muscle mass, particularly in the upper limbs (-33 to -50%, compared to -20 to -25% in the lower limbs) and have a higher fat mass (+10%) versus men,” explains Dr. Corinne Chicheportiche Ayache, a nutritionist in Paris.
This difference in body composition and in particular in muscular mass is explained by the high secretion of testosterone in men, while it is minimal in women in a physiological situation. There are other factors that influence this supposed “theoretical weight”:
“Indicators have been developed in recent decades to try to define this theoretical reference weight. They have the merit of offering an objective approach, but each has real limits,” notes Dr. Chicheportiche Ayache.
How to calculate your ideal weight according to your height with the Broca formula?
“Broca’s formula is extremely simple but is the source of very significant errors of interpretation; the ideal weight tends to be greatly overestimated in tall people,” explains the nutritionist. There is no discriminating mention of sex, age or body compositions (muscle mass and fat mass) in this formula, so its results are approximate. If you want to perform a scientifically approved weight analysis, it is recommended to consult a doctor or nutritionist.
Here’s how to calculate it:
Ideal weight (in Kg) = Height (in cm) – 100
To calculate your ideal weight according to Broca’s formula, you can use our calculator below:
How to calculate the ideal weight according to sex with the Lorentz formula?
The Lorentz formula is one of the most widely used today. It incorporates correction factors proportional to the size of the individual and varies according his sex. “Its main flaw is that it does not take into account the age of the individuals and the different possible morphologies”, specifies Dr. Chicheportiche Ayache. The results of this formula, like those of the other formulas, must be interpreted with caution To carry out a weight analysis which will take into account all the criteria and which is scientifically proven, it is recommended to consult a doctor or one nutritionist.
Calculate your ideal weight when you are a woman with the Lorentz formula
Here is how to calculate your ideal weight when you are a woman:
Female ideal weight (in Kg) = Height (in cm) – 100 – ((Height (in cm) – 150) /2.5).
Calculate your ideal weight when you are a man with the Lorentz formula
Lorentz’s formula for calculating a male’s ideal weight is different from that for calculating a female’s ideal weight. Here is how to calculate your ideal weight when you are a man:
Male ideal weight (in Kg) = Height (in cm) – 100 – ((Height (in cm) – 150) /4).
Calculate your ideal weight with the Lorentz formula
To calculate your ideal weight according to the Lorentz formula, you can use our calculator below:
How to calculate your ideal weight according to morphology with the Creff formula?
Creff’s formula attempts to correct Lorentz’s formula by introducing the notions of age and of morphology. “Unfortunately these notions of ‘slender’, ‘normal’ and ‘large’ morphology remain too vague and too subjective for the result to be truly satisfactory”, laments the nutritionist doctor. Only a weight analysis carried out by a doctor or a nutritionist will make it possible to take into account all the personal factors.
Here’s how to calculate it:
Ideal weight (in Kg) of an individual with a “normal” morphology = (Height (in cm) – 100 + Age (in years) / 10) * 0.9.
Ideal weight (in Kg) of an individual with a “gracile” morphology = (Height (in cm) – 100 + Age (in years) / 10) * 0.9 * 0.9.
Ideal weight (in Kg) of an individual with a “large” morphology = (Height (in cm) – 100 + Age (in years) / 10) * 0.9 * 1.1.
To calculate your ideal weight according to the Creff formula, you can use our calculator below:
How to calculate your ideal weight according to the frame with the Monnerot-Dumaine formula?
The Monnerot-Dumaine formula takes into account the muscular mass et the frame of the person. To do this, it is necessary to enter the circumference of his wrist and his height. The wrist being a good indicator of a person’s muscle mass and bone structure. This index, like all the others, should be used with caution. If you want to perform a scientifically approved weight analysis, it is recommended to consult a doctor or nutritionist.
Here’s how to calculate it:
Ideal weight in kg = (height in cm −100 + (4 x wrist circumference in cm))/2
To calculate your ideal weight according to the Monnerot-Dumaine formula, you can use our calculator below:
Why is the notion of “ideal weight” so debatable?
The notion of ideal weight is a very debatable notion. It can be considered that there is above all a weight range. “The notion of ideal weight was developed to introduce medical criteria in order to understand differences in corpulence and especially their potential negative consequences on health. Indeed, we know perfectly well the risks of overweight and obesity (high blood pressure, type 2 diabetes, cardiovascular diseases, osteo-articular complications, etc.) but the complications of thinness such as osteoporosis are also to be feared. . Thus the concept of ideal weight had the function of going beyond a personal assessment of one’s corpulence by using objective indicators,” explains Dr. Corinne Chicheportiche Ayache.
These formulas for calculating your ideal weight are use with caution. “We see that all these indicators try to objectify an ideal weight but are limited because this notion is difficult to objectivize! The notion of ideal weight must be replaced by a notion of “healthy reference weight and well-being”. The latter is complex and incorporates quantifiable but also much less concrete qualitative parameters,” explains Dr. Chicheportiche Ayache. The search for a “healthy and well-being weight” must be the subject of a personalized consultation with a nutritionist. During this consultation, a multitude of parameters will be evaluated:
Objective parameters: height, sex, age, muscle mass, fat mass, water content, calculation of basic energy expenditure, ethnic group, family history of overweight or obesity, date and impact of hormonal events (date of puberty, pregnancy, menopause, various contraceptives), research of an endocrine pathology, history of the weight curve, repeated diets.Subjective parameters: appreciation of body image, impact of emotions on diet (dietary choices and eating behavior), level of frustration, impact of possible hurtful remarks, etc.
Body mass index (BMI), the only indicator approved by the WHO
Body Mass Index is the only indicator endorsed by the World Health Organization (WHO). The BMI is differentiated according to ranges and is established in kilos/m2. “This formula uses weight and height as parameters. But it does not take into account sex, muscle mass or fat mass. We know that fat mass (calculated in consultation using an impedance meter) is a key indicator for metabolic health,” explains Dr. Corinne Chicheportiche Ayache.
The notion of ideal weight, also a criterion of beauty?
The ideal weight is also sometimes a beauty criterion. A criterion that varies according to cultures and times. “It should also be remembered that it is important to distinguish the notion of weight from that of silhouette. You may not like your figure but have a satisfactory healthy weight”.
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