{"id":19181,"date":"2026-01-22T10:51:29","date_gmt":"2026-01-22T10:51:29","guid":{"rendered":"https:\/\/dixsupps-v2.local\/what-is-my-lean-mass-index\/"},"modified":"2026-01-22T10:51:29","modified_gmt":"2026-01-22T10:51:29","slug":"what-is-my-lean-mass-index","status":"publish","type":"page","link":"https:\/\/dixsupps.com\/en\/what-is-my-lean-mass-index\/","title":{"rendered":"What is my lean mass index?"},"content":{"rendered":"<p>One of the first indicators when you want to know your physical fitness and health is to calculate your BMI <em>(Body Mass Index)<\/em>, which is one of the most mentioned values in television shows. Unfortunately, the BMI<strong> does not<\/strong> distinguish between fat mass and muscle mass. You could be considered obese if you have a crossfitter physique of 93 kilos for 1.75 cm with a body fat of 10% (BMI of 30), admit it&#8217;s quite unfortunate!<\/p>\n<p>The Lean Mass Index (LMI) is a more accurate measure as it takes into account muscle mass, bones, skin, and other non-fat components of the body.<\/p>\n<p>To help you calculate your LMI easily, we have integrated an online calculator on this page <\/p>\n<h2>How to use the LMI calculator?<\/h2>\n<p> Using our LMI calculator is simple and quick. Here are the steps to follow: <\/p>\n<ul>\n<li><strong>Enter your weight<\/strong> in kilograms in the designated field.<\/li>\n<li><strong>Indicate your height<\/strong> in centimeters.<\/li>\n<li><strong>Enter your body fat percentage<\/strong> <em>(we provide methods to know your body fat percentage further down in the article, but you can use the image below to estimate yours)<\/em>.<\/li>\n<li>Click the <strong>&#8220;Calculate&#8221;<\/strong> button to get your LMI.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/dixsupps.com\/wp-content\/uploads\/2025\/02\/taux-masse-grasse-photo-homme-femme.jpg\" alt=\"taux de masse grasse en photo homme femme\" width=\"515\" height=\"289\" \/><\/p>\n<p>For example, if you weigh 70 kg, measure 175 cm, and have 20% body fat, enter these values into the calculator. With one click, you will get your LMI and can better understand your body composition.<\/p>\n<p>The main advantage of this online calculator is its <strong>accuracy<\/strong> and <strong>ease of use<\/strong>. It allows you to track your progress and adjust your workouts effortlessly. By using this tool, you can obtain reliable results in seconds, helping you make informed decisions for your health.<\/p>\n<div class=\"dix-script\" id=\"dix-script-18406\" data-script-id=\"18406\" data-type=\"calculator\" data-subtype=\"\" data-config='{&quot;type&quot;:&quot;calculator&quot;,&quot;subtype&quot;:&quot;&quot;}'><div class=\"dix-script__container\"><div class=\"calculator__layout\">\n    <!-- Colonne Inputs -->\n    <div class=\"calculator__panel calculator__panel--inputs\">\n        <div class=\"calculator__header\">\n            <h3 class=\"calculator__title\">Lean Mass Index Calculator<\/h3>\n        <\/div>\n\n        <label class=\"calculator__label\" for=\"unitSystem\">Measurement system<\/label>\n        <select id=\"unitSystem\" class=\"calculator__select\">\n            <option value=\"metric\">Metric (kg, cm)<\/option>\n            <option value=\"imperial\">Imperial (lbs, ft\/in)<\/option>\n        <\/select>\n\n        <div id=\"metricInputs\">\n            <div class=\"calculator__label-row\">\n                <label class=\"calculator__label\" for=\"weightMetric\">Weight<\/label>\n                <span class=\"calculator__label-value\"><span id=\"weightMetricValue\">70<\/span> kg<\/span>\n            <\/div>\n            <input type=\"range\" id=\"weightMetric\" class=\"calculator__range\" min=\"40\" max=\"150\" value=\"70\">\n\n            <div class=\"calculator__label-row\">\n                <label class=\"calculator__label\" for=\"heightMetric\">Height<\/label>\n                <span class=\"calculator__label-value\"><span id=\"heightMetricValue\">170<\/span> cm<\/span>\n            <\/div>\n            <input type=\"range\" id=\"heightMetric\" class=\"calculator__range\" min=\"140\" max=\"220\" value=\"170\">\n        <\/div>\n\n        <div id=\"imperialInputs\" style=\"display:none\">\n            <div class=\"calculator__label-row\">\n                <label class=\"calculator__label\" for=\"weightImperial\">Weight<\/label>\n                <span class=\"calculator__label-value\"><span id=\"weightImperialValue\">154<\/span> lbs<\/span>\n            <\/div>\n            <input type=\"range\" id=\"weightImperial\" class=\"calculator__range\" min=\"90\" max=\"330\" value=\"154\">\n\n            <div class=\"calculator__label-row\">\n                <label class=\"calculator__label\" for=\"heightFeet\">Height<\/label>\n                <span class=\"calculator__label-value\"><span id=\"heightFeetValue\">5<\/span> ft <span id=\"heightInchesValue\">8<\/span> in<\/span>\n            <\/div>\n            <input type=\"range\" id=\"heightFeet\" class=\"calculator__range\" min=\"4\" max=\"7\" value=\"5\">\n            <input type=\"range\" id=\"heightInches\" class=\"calculator__range\" min=\"0\" max=\"11\" value=\"8\">\n        <\/div>\n\n        <div class=\"calculator__label-row\">\n            <label class=\"calculator__label\" for=\"bodyFat\">Body fat<\/label>\n            <span class=\"calculator__label-value\"><span id=\"bodyFatValue\">15<\/span> %<\/span>\n        <\/div>\n        <input type=\"range\" id=\"bodyFat\" class=\"calculator__range\" min=\"5\" max=\"50\" value=\"15\">\n\n        <button type=\"button\" class=\"dix-script__btn dix-script__btn--primary dix-script__btn--block\" onclick=\"calculateFFMI()\">\n            Calculate LMI\n        <\/button>\n    <\/div>\n\n    <!-- Colonne R\u00e9sultats -->\n    <div class=\"calculator__panel calculator__panel--results\">\n        <h4 class=\"calculator__results-title\">Your Lean Mass Index<\/h4>\n        \n        <div class=\"calculator__result-main\">\n            <span class=\"calculator__result-value\" id=\"ffmiValue\">--<\/span>\n        <\/div>\n\n        <div class=\"calculator__interpretation\">\n            <strong>Interpretation:<\/strong>\n            <ul class=\"calculator__interpretation-list\">\n                <li>&lt; 18: Low muscle mass<\/li>\n                <li>18-20: Normal muscle mass<\/li>\n                <li>20-22: Above average<\/li>\n                <li>22-23: Excellent muscle mass<\/li>\n                <li>&gt; 23: Exceptional muscle mass<\/li>\n            <\/ul>\n        <\/div>\n\n        <div class=\"calculator__share\">\n            <p class=\"calculator__share-title\">Share your results<\/p>\n            <div class=\"calculator__share-buttons\">\n                <button type=\"button\" onclick=\"shareOnTwitter()\" class=\"calculator__share-btn calculator__share-btn--twitter\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\"><path d=\"M22 4s-.7 2.1-2 3.4c1.6 10-9.4 17.3-18 11.6 2.2.1 4.4-.6 6-2C3 15.5.5 9.6 3 5c2.2 2.6 5.6 4.1 9 4-.9-4.2 4-6.6 7-3.8 1.1 0 3-1.2 3-1.2z\"><\/path><\/svg>\n                <\/button>\n                <button type=\"button\" onclick=\"shareOnWhatsApp()\" class=\"calculator__share-btn calculator__share-btn--whatsapp\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\"><path d=\"M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z\"><\/path><\/svg>\n                <\/button>\n                <button type=\"button\" onclick=\"shareViaEmail()\" class=\"calculator__share-btn calculator__share-btn--email\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\"><path d=\"M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z\"><\/path><polyline points=\"22,6 12,13 2,6\"><\/polyline><\/svg>\n                <\/button>\n                <button type=\"button\" onclick=\"copyToClipboard()\" class=\"calculator__share-btn calculator__share-btn--copy\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\"><path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path><rect x=\"8\" y=\"2\" width=\"8\" height=\"4\" rx=\"1\" ry=\"1\"><\/rect><\/svg>\n                    <span class=\"calculator__copy-feedback\" id=\"copyText\"><\/span>\n                <\/button>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div id=\"share-messages\" style=\"display: none\">\n    <span id=\"share-text-part1\">I calculated my Lean Mass Index (LMI): <\/span>\n    <span id=\"share-text-part2\">. Calculate yours by following this link! <\/span>\n    <span id=\"share-subject\">My Lean Mass Index (LMI)<\/span>\n<\/div><\/div><\/div>\n<p><strong>Our other calculators<\/strong><\/p>\n<p>We have created many calculators to help you optimize your loads, such as <a href=\"https:\/\/dixsupps.com\/en\/1-rep-max-calculator-in-weightlifting\/\">our one-rep max calculator<\/a>, but also for your nutrition with our <a href=\"https:\/\/dixsupps.com\/en\/basal-metabolism-calculator\/\">basal metabolic rate calculator<\/a>, as well as a <a href=\"https:\/\/dixsupps.com\/en\/whey-protein-quantity-calculator\/\">daily whey protein quantity calculator<\/a>. If you liked this calculator, you will surely like those too <div class=\"dix-script\" id=\"dix-script-18405\" data-script-id=\"18405\" data-type=\"custom\" data-subtype=\"\" data-config='{&quot;type&quot;:&quot;custom&quot;,&quot;subtype&quot;:&quot;&quot;}'><div class=\"dix-script__container\"><!-- S\u00e9lecteur de genre -->\n<div class=\"dix-script__toggle\" style=\"justify-content: center;margin-bottom: 1.5rem\">\n    <button class=\"dix-script__toggle-btn is-active\" data-gender=\"male\">Male<\/button>\n    <button class=\"dix-script__toggle-btn\" data-gender=\"female\">Female<\/button>\n<\/div>\n\n<h3 class=\"dix-script__title\" style=\"text-align: center\">\ud83d\udcca IMM reference zones by age<\/h3>\n<p class=\"dix-script__description\" style=\"text-align: center\">Hover over the colored areas to see their interpretation<\/p>\n\n<!-- Graphique SVG -->\n<div class=\"imm-chart-container\">\n    <div class=\"imm-chart-wrapper\">\n        <!-- Axe Y -->\n        <div class=\"imm-axis-y\">\n            <span>25<\/span><span>22<\/span><span>20<\/span><span>18<\/span><span>16<\/span><span>14<\/span><span>12<\/span><span>10<\/span>\n        <\/div>\n        <div class=\"imm-axis-y-label\">IMM (kg\/m\u00b2)<\/div>\n\n        <!-- SVG du graphique -->\n        <svg class=\"imm-chart\" viewBox=\"0 0 800 300\">\n            <!-- Grille -->\n            <line x1=\"0\" y1=\"0\" x2=\"800\" y2=\"0\" stroke=\"rgba(255,255,255,0.1)\" \/>\n            <line x1=\"0\" y1=\"60\" x2=\"800\" y2=\"60\" stroke=\"rgba(255,255,255,0.1)\" \/>\n            <line x1=\"0\" y1=\"100\" x2=\"800\" y2=\"100\" stroke=\"rgba(255,255,255,0.1)\" \/>\n            <line x1=\"0\" y1=\"140\" x2=\"800\" y2=\"140\" stroke=\"rgba(255,255,255,0.1)\" \/>\n            <line x1=\"0\" y1=\"180\" x2=\"800\" y2=\"180\" stroke=\"rgba(255,255,255,0.1)\" \/>\n            <line x1=\"0\" y1=\"220\" x2=\"800\" y2=\"220\" stroke=\"rgba(255,255,255,0.1)\" \/>\n            <line x1=\"0\" y1=\"260\" x2=\"800\" y2=\"260\" stroke=\"rgba(255,255,255,0.1)\" \/>\n            <line x1=\"0\" y1=\"300\" x2=\"800\" y2=\"300\" stroke=\"rgba(255,255,255,0.1)\" \/>\n\n            <!-- Lignes verticales tranches d'\u00e2ge -->\n            <line x1=\"267\" y1=\"0\" x2=\"267\" y2=\"300\" stroke=\"rgba(255,255,255,0.2)\" \/>\n            <line x1=\"533\" y1=\"0\" x2=\"533\" y2=\"300\" stroke=\"rgba(255,255,255,0.2)\" \/>\n\n            <!-- Zones HOMME -->\n            <g id=\"imm-zones-male\">\n                <!-- Zone \u00c9lev\u00e9 (&gt;20.5, &gt;20, &gt;19.5) - Bleu -->\n                <polygon class=\"imm-zone\" points=\"0,90 267,90 267,100 533,100 533,110 800,110 800,0 533,0 533,0 267,0 0,0\" fill=\"rgba(59,130,246,0.3)\" \/>\n                <!-- Zone Normal (18.5-20.5, 18-20, 17.5-19.5) - Vert -->\n                <polygon class=\"imm-zone\" points=\"0,90 267,90 267,100 533,100 533,110 800,110 800,150 533,150 533,140 267,140 0,130\" fill=\"rgba(16,185,129,0.4)\" \/>\n                &lt;!-- Zone Faible (&lt;18.5, &lt;18, \n                <polygon class=\"imm-zone\" points=\"0,130 267,140 533,140 533,150 800,150 800,300 533,300 267,300 0,300\" fill=\"rgba(239,68,68,0.3)\" \/>\n            <\/g>\n\n            <!-- Zones FEMME -->\n            <g id=\"imm-zones-female\">\n                <!-- Zone \u00c9lev\u00e9 (&gt;17.5, &gt;17, &gt;16.5) - Bleu -->\n                <polygon class=\"imm-zone\" points=\"0,150 267,150 267,160 533,160 533,170 800,170 800,0 533,0 267,0 0,0\" fill=\"rgba(59,130,246,0.3)\" \/>\n                <!-- Zone Normal (15.5-17.5, 15-17, 14.5-16.5) - Violet -->\n                <polygon class=\"imm-zone\" points=\"0,150 267,150 267,160 533,160 533,170 800,170 800,210 533,210 533,200 267,200 0,190\" fill=\"rgba(139,92,246,0.4)\" \/>\n                &lt;!-- Zone Faible (&lt;15.5, &lt;15, \n                <polygon class=\"imm-zone\" points=\"0,190 267,200 533,200 533,210 800,210 800,300 533,300 267,300 0,300\" fill=\"rgba(239,68,68,0.3)\" \/>\n            <\/g>\n        <\/svg>\n\n        <!-- Tooltip -->\n        <div class=\"imm-tooltip\" id=\"imm-tooltip\">\n            <div class=\"imm-tooltip-label\" id=\"tooltip-label\"><\/div>\n            <div class=\"imm-tooltip-description\" id=\"tooltip-description\"><\/div>\n        <\/div>\n    <\/div>\n\n    <!-- Axe X -->\n    <div class=\"imm-axis-x\">\n        <span>18 years<\/span><span>39 years<\/span><span>59 years<\/span><span>79 years<\/span>\n    <\/div>\n    <div class=\"imm-axis-x-label\">Age (years)<\/div>\n<\/div>\n\n<!-- Tableaux de r\u00e9f\u00e9rence -->\n<h3 class=\"dix-script__subtitle\" style=\"margin-top: 2rem\">Detailed reference tables<\/h3>\n\n<!-- Tableau Hommes -->\n<table class=\"dix-script__table\" id=\"table-male\">\n    <thead>\n        <tr>\n            <th class=\"dix-script__table-header dix-script__table-header--primary\" colspan=\"4\">\n                IMM reference values - Men\n            <\/th>\n        <\/tr>\n        <tr>\n            <th>Age range<\/th>\n            <th style=\"text-align: center\">Low IMM<\/th>\n            <th style=\"text-align: center\">Normal IMM<\/th>\n            <th style=\"text-align: center\">High IMM<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td>18-39 years<\/td>\n            <td class=\"dix-script__td--danger\" style=\"text-align: center\">&lt; 18.5<\/td>\n            <td class=\"dix-script__td--optimal\" style=\"text-align: center\">18.5 - 20.5<\/td>\n            <td class=\"dix-script__td--primary\" style=\"text-align: center\">&gt; 20.5<\/td>\n        <\/tr>\n        <tr>\n            <td>40-59 years<\/td>\n            <td class=\"dix-script__td--danger\" style=\"text-align: center\">&lt; 18.0<\/td>\n            <td class=\"dix-script__td--optimal\" style=\"text-align: center\">18.0 - 20.0<\/td>\n            <td class=\"dix-script__td--primary\" style=\"text-align: center\">&gt; 20.0<\/td>\n        <\/tr>\n        <tr>\n            <td>60-79 years<\/td>\n            <td class=\"dix-script__td--danger\" style=\"text-align: center\">&lt; 17.5<\/td>\n            <td class=\"dix-script__td--optimal\" style=\"text-align: center\">17.5 - 19.5<\/td>\n            <td class=\"dix-script__td--primary\" style=\"text-align: center\">&gt; 19.5<\/td>\n        <\/tr>\n    <\/tbody>\n<\/table>\n\n<!-- Tableau Femmes -->\n<table class=\"dix-script__table\" id=\"table-female\" style=\"display: none\">\n    <thead>\n        <tr>\n            <th class=\"dix-script__table-header dix-script__table-header--secondary\" colspan=\"4\">\n                IMM reference values - Women\n            <\/th>\n        <\/tr>\n        <tr>\n            <th>Age range<\/th>\n            <th style=\"text-align: center\">Low IMM<\/th>\n            <th style=\"text-align: center\">Normal IMM<\/th>\n            <th style=\"text-align: center\">High IMM<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td>18-39 years<\/td>\n            <td class=\"dix-script__td--danger\" style=\"text-align: center\">&lt; 15.5<\/td>\n            <td class=\"dix-script__td--secondary\" style=\"text-align: center\">15.5 - 17.5<\/td>\n            <td class=\"dix-script__td--primary\" style=\"text-align: center\">&gt; 17.5<\/td>\n        <\/tr>\n        <tr>\n            <td>40-59 years<\/td>\n            <td class=\"dix-script__td--danger\" style=\"text-align: center\">&lt; 15.0<\/td>\n            <td class=\"dix-script__td--secondary\" style=\"text-align: center\">15.0 - 17.0<\/td>\n            <td class=\"dix-script__td--primary\" style=\"text-align: center\">&gt; 17.0<\/td>\n        <\/tr>\n        <tr>\n            <td>60-79 years<\/td>\n            <td class=\"dix-script__td--danger\" style=\"text-align: center\">&lt; 14.5<\/td>\n            <td class=\"dix-script__td--secondary\" style=\"text-align: center\">14.5 - 16.5<\/td>\n            <td class=\"dix-script__td--primary\" style=\"text-align: center\">&gt; 16.5<\/td>\n        <\/tr>\n    <\/tbody>\n<\/table>\n\n<!-- Note explicative -->\n<div class=\"dix-script__message dix-script__message--info\" style=\"margin-top: 2rem\">\n    <p style=\"margin: 0 0 1rem 0\"><strong class=\"dix-script__text--primary\">\ud83d\udca1 How to interpret these values:<\/strong><\/p>\n    <ul style=\"margin: 0;padding-left: 1.5rem;line-height: 1.7\">\n        <li><strong>Low IMM<\/strong>: May indicate muscle mass loss (sarcopenia), particularly concerning after 60 years<\/li>\n        <li><strong>Normal IMM<\/strong>: Healthy muscle mass for your age and gender<\/li>\n        <li><strong>High IMM<\/strong>: Developed muscle mass, typical of regular weight training practitioners<\/li>\n    <\/ul>\n<\/div><\/div><\/div><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM.webp\" sizes=\"auto, (max-width: 1456px) 100vw, 1456px\" srcset=\"https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM.webp 1456w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-600x336.webp 600w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-300x168.webp 300w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-1024x574.webp 1024w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-768x430.webp 768w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-18x10.webp 18w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-1320x740.webp 1320w\" alt=\"\" width=\"1456\" height=\"816\" \/><\/p>\n<h2>Learn more about Calculation methods<\/h2>\n<p> To measure your <strong>Lean Mass Index (LMI)<\/strong>, in addition to knowing your height and weight, which are two fairly easy values, you will need to calculate your body fat percentage. Here are the main methods to achieve this: <\/p>\n<ul>\n<li><strong>MRI (Magnetic Resonance Imaging)<\/strong>: Very accurate, this method is costly and generally reserved for medical use.<\/li>\n<li><strong>Skinfold calipers<\/strong>: more known in the field of bodybuilding and sports in general, this caliper allows measuring the fat rate on different parts of the body with more or less precision.<\/li>\n<li><strong>Bioelectrical impedance analysis<\/strong>: A low electrical current is sent through the body to estimate lean mass and fat mass. Many scales of this type are available on the market.<\/li>\n<li><strong>Estimation image<\/strong>: the image provided above<\/li>\n<\/ul>\n<p> Once the body fat percentage is determined, here is how to calculate the LMI:<\/p>\n<p><strong>LMI Formula<\/strong>:<\/p>\n<p>LMI = (lean mass in kg \/ height in m\u00b2) + 6.3 \u00d7 (1.8 &#8211; height in m)<\/p>\n<p><strong>Calculation example<\/strong>:<\/p>\n<p>For a person weighing 70 kg with 20% body fat and measuring 1.75 m: <\/p>\n<ul>\n<li>Fat mass: 70 kg \u00d7 0.20 = 14 kg<\/li>\n<li>Lean mass: 70 kg &#8211; 14 kg = 56 kg<\/li>\n<li>LMI: (56 kg \/ (1.75 m \u00d7 1.75 m)) + 6.3 \u00d7 (1.8 &#8211; 1.75) = 18.29<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-2.webp\" sizes=\"auto, (max-width: 1456px) 100vw, 1456px\" srcset=\"https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-2.webp 1456w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-2-600x336.webp 600w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-2-300x168.webp 300w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-2-1024x574.webp 1024w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-2-768x430.webp 768w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-2-18x10.webp 18w, https:\/\/dixsupps.com\/wp-content\/uploads\/2024\/05\/calculateur-IMM-2-1320x740.webp 1320w\" alt=\"\" width=\"1456\" height=\"816\" \/> <div class=\"dix-script\" id=\"dix-script-18404\" data-script-id=\"18404\" data-type=\"custom\" data-subtype=\"\" data-config='{&quot;type&quot;:&quot;custom&quot;,&quot;subtype&quot;:&quot;&quot;}'><div class=\"dix-script__container\"><h2 class=\"dix-script__title\">Comparison between LBM and BMI<\/h2>\n\n<p class=\"dix-script__description\">The <strong>Lean Body Mass (LBM) index<\/strong> has several advantages over BMI. While BMI simply relates weight to height, LBM distinguishes between muscle mass and fat mass. This allows for a more accurate assessment of body composition.<\/p>\n\n<p class=\"dix-script__description\">For example, an athlete with high muscle mass may have a high BMI, suggesting overweight or obesity, when in reality, their health is optimal. Similarly, a person with low muscle mass but high fat mass may have a normal BMI, thus masking potential health issues. LBM, by focusing on non-fat mass, overcomes these limitations.<\/p>\n\n<!-- Cartes de comparaison -->\n<div class=\"comparison-grid\">\n    <!-- Carte IMC -->\n    <div class=\"comparison-card comparison-card--warning\">\n        <span class=\"comparison-card__badge comparison-card__badge--warning\">Limited<\/span>\n        <h3 class=\"comparison-card__title\">BMI<\/h3>\n        <p class=\"comparison-card__subtitle\">Body Mass Index<\/p>\n        \n        <div class=\"comparison-card__formula comparison-card__formula--warning\">\n            <span class=\"comparison-card__formula-label\">Formula<\/span>\n            <span class=\"comparison-card__formula-value\">Weight (kg) \u00f7 Height\u00b2 (m\u00b2)<\/span>\n        <\/div>\n        \n        <h4 class=\"comparison-card__section-title dix-script__text--warning\">Limitations<\/h4>\n        <ul class=\"comparison-card__list\">\n            <li>Does not differentiate muscle and fat<\/li>\n            <li>Athletes wrongly classified as \"overweight\"<\/li>\n            <li>Masks sarcopenic obesity<\/li>\n            <li>Simplistic view of health<\/li>\n        <\/ul>\n    <\/div>\n\n    <!-- Carte IMM -->\n    <div class=\"comparison-card comparison-card--optimal\">\n        <span class=\"comparison-card__badge comparison-card__badge--optimal\">Accurate<\/span>\n        <h3 class=\"comparison-card__title\">LBM<\/h3>\n        <p class=\"comparison-card__subtitle\">Lean Body Mass Index<\/p>\n        \n        <div class=\"comparison-card__formula comparison-card__formula--optimal\">\n            <span class=\"comparison-card__formula-label\">Formula<\/span>\n            <span class=\"comparison-card__formula-value\">Lean Mass (kg) \u00f7 Height\u00b2 (m\u00b2)<\/span>\n        <\/div>\n        \n        <h4 class=\"comparison-card__section-title dix-script__text--optimal\">Advantages<\/h4>\n        <ul class=\"comparison-card__list\">\n            <li>Distinguishes muscle and fat<\/li>\n            <li>Accurate assessment for athletes<\/li>\n            <li>Detects sarcopenia (muscle loss)<\/li>\n            <li>Comprehensive view of health<\/li>\n        <\/ul>\n    <\/div>\n<\/div>\n\n<!-- Note explicative -->\n<div class=\"dix-script__message dix-script__message--info\">\n    <strong>Remember:<\/strong> LBM offers a much more accurate view of your body composition than BMI. For bodybuilders and athletes, it is an essential indicator to track the evolution of your muscle mass.\n<\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the first indicators when you want to know your physical fitness and health is to calculate your BMI (Body Mass Index), which is one of the most mentioned values in television shows. Unfortunately, the BMI does not distinguish between fat mass and muscle mass. You could be considered obese if you have a [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","rank_math_title":"Lean Mass Index Calculator (LMI or FFM)","rank_math_description":"Calculate your Free Fat Mass Index (FFMI) for free in just a few seconds and find out if you are in shape.","rank_math_canonical_url":"","rank_math_robots":"","rank_math_focus_keyword":""},"class_list":["post-19181","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/dixsupps.com\/en\/wp-json\/wp\/v2\/pages\/19181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dixsupps.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dixsupps.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dixsupps.com\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/dixsupps.com\/en\/wp-json\/wp\/v2\/comments?post=19181"}],"version-history":[{"count":0,"href":"https:\/\/dixsupps.com\/en\/wp-json\/wp\/v2\/pages\/19181\/revisions"}],"wp:attachment":[{"href":"https:\/\/dixsupps.com\/en\/wp-json\/wp\/v2\/media?parent=19181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}