Dukan Diet True Weight Calculator

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Dukan Diet True Weight Calculator

Discover your Dukan Diet true weight and take control of your weight management journey with our precise calculator.

Dukan Diet True Weight Calculator

The Dukan Diet defines a 'true weight' which is the weight you can realistically maintain with the Dukan method's principles. This calculator helps you estimate that target.

Enter your height in centimeters.
Male Female Select your gender.
Average Small Large Select your bone structure (small, average, large).
Measure your shoulder width from bone to bone.
Measure from the top of your pubic bone to the base of your neck.
Measure from the elbow crease to the wrist crease.

Your Dukan Diet True Weight Results

Formula Explanation: Your true weight is determined by your height, gender, bone structure, shoulder width, waist height, and forearm length, using specific Dukan Diet adjustments.

Key Assumptions

Dukan True Weight Range vs. Your Measurements
Dukan True Weight Calculation Factors
Factor Value Impact

What is Dukan Diet True Weight?

The Dukan Diet, created by French nutritionist Pierre Dukan, is a high-protein, low-carbohydrate diet that progresses through four distinct phases. A core concept within this diet plan is the idea of a "true weight" or "ideal weight." Unlike generic BMI calculations, the Dukan Diet's true weight is a more personalized target, aiming for a weight that is not only healthy but also sustainable and achievable using the specific principles of the Dukan method. This is the weight at which you feel most comfortable and energetic, and crucially, can maintain long-term without feeling deprived.

Anyone following the Dukan Diet can benefit from understanding their true weight. It serves as a tangible goal that guides their journey through the diet's phases. Knowing your true weight helps in determining the length of the initial weight loss phase and setting realistic expectations. It's a personalized benchmark that takes into account more than just height and weight, incorporating physical characteristics that influence body composition and perceived healthy weight.

A common misconception about the Dukan Diet's true weight is that it's a fixed, unchangeable number. However, it's more of a target zone, and fluctuations are normal. Another misunderstanding is that it's identical to the weight suggested by standard BMI charts. While there's overlap, the Dukan true weight calculation is more nuanced, considering factors like bone density and body frame that BMI doesn't explicitly account for.

Dukan Diet True Weight Formula and Mathematical Explanation

The Dukan Diet True Weight calculation is a proprietary formula developed by Dr. Pierre Dukan. It aims to provide a more individualized weight target than standard BMI, taking into account several physical characteristics. While the exact, most granular formula might vary slightly or be subject to proprietary updates, the general approach involves a base calculation derived from height, adjusted for gender, bone structure, and specific body measurements. Below is a breakdown of the typical variables and a simplified representation of the logic.

Simplified Dukan True Weight Calculation Logic

The core of the Dukan True Weight calculation often starts with a base value derived from height, and then applies adjustments. A common method incorporates factors like:

  • Base Weight: Often derived from height using a table or a height-based formula.
  • Gender Adjustment: Men typically have a slightly higher "true weight" for the same height due to differences in muscle mass and body composition.
  • Bone Structure Adjustment: Individuals with larger bone structures will naturally weigh more than those with smaller frames at the same height.
  • Body Measurements: Shoulder width, waist height, and forearm length can be used as indicators of overall body frame and proportions, further refining the target weight.

Formula Derivation (Conceptual):

  1. Initial Height-Based Weight: A starting point is established, often based on standard weight tables linked to height.
  2. Gender Adjustment Factor: A specific value is added or subtracted based on whether the individual is male or female.
  3. Bone Structure Adjustment: Further adjustments are made based on the selected bone structure (small, average, large). This often involves adding or subtracting a predetermined range.
  4. Measurement-Based Refinement: Ratios or specific measurements like shoulder width, waist height, and forearm length are used to fine-tune the target weight, ensuring it aligns with a proportionate physique. For example, a wider shoulder span might correlate with a slightly higher acceptable weight.

Variables and Their Meanings

Dukan Diet True Weight Variables
Variable Meaning Unit Typical Range / Options
Height The vertical distance from the sole of the foot to the top of the head. cm e.g., 150 – 200 cm
Gender Biological sex of the individual. Categorical Male, Female
Bone Structure An estimation of the individual's skeletal frame size. Categorical Small, Average, Large
Shoulder Width The distance between the bony points of the shoulders. cm e.g., 35 – 50 cm
Waist Height The vertical distance from the pubic bone to the base of the neck. cm e.g., 40 – 70 cm
Forearm Length The length of the forearm from elbow crease to wrist crease. cm e.g., 20 – 30 cm
Dukan True Weight The target sustainable weight calculated by the Dukan Diet method. kg Calculated value

Practical Examples (Real-World Use Cases)

Example 1: Average Build Female

Scenario: Sarah is a 30-year-old female, 165 cm tall, with an average bone structure. Her shoulder width is 38 cm, waist height is 58 cm, and forearm length is 24 cm. She follows the Dukan Diet and wants to find her true weight.

Inputs:

  • Height: 165 cm
  • Gender: Female
  • Bone Structure: Average
  • Shoulder Width: 38 cm
  • Waist Height: 58 cm
  • Forearm Length: 24 cm

Calculation (Illustrative): Based on these inputs, the Dukan Diet calculator estimates Sarah's true weight.

Hypothetical Calculator Output:

  • Dukan True Weight: 58.5 kg
  • Intermediate BMI Estimate: 21.5
  • Bone Adjustment: -2 kg
  • Gender Factor: -1.5 kg

Interpretation: Sarah's target true weight on the Dukan Diet is approximately 58.5 kg. This provides her with a clear goal for the weight loss phase. The intermediate values give context to the calculation, showing how factors like her bone structure and gender contribute to the final target.

Example 2: Larger Build Male

Scenario: David is a 45-year-old male, 180 cm tall, with a large bone structure. His shoulder width is 48 cm, waist height is 68 cm, and forearm length is 29 cm. He is using the Dukan Diet to determine his ideal sustainable weight.

Inputs:

  • Height: 180 cm
  • Gender: Male
  • Bone Structure: Large
  • Shoulder Width: 48 cm
  • Waist Height: 68 cm
  • Forearm Length: 29 cm

Calculation (Illustrative): The calculator processes David's measurements according to the Dukan method.

Hypothetical Calculator Output:

  • Dukan True Weight: 79.0 kg
  • Intermediate BMI Estimate: 24.4
  • Bone Adjustment: +3 kg
  • Gender Factor: +2 kg

Interpretation: David's true weight target according to the Dukan Diet is around 79.0 kg. The positive adjustments for his large bone structure and male gender indicate that his ideal weight range is higher than someone with a smaller frame or female of the same height, reflecting a more robust physique. This goal is achievable and sustainable within the Dukan framework.

How to Use This Dukan Diet True Weight Calculator

Using our Dukan Diet True Weight Calculator is straightforward and designed to give you a personalized target weight quickly. Follow these simple steps:

  1. Enter Your Height: Input your height accurately in centimeters (cm) in the designated field.
  2. Select Your Gender: Choose 'Male' or 'Female' from the dropdown menu.
  3. Assess Your Bone Structure: Select 'Small', 'Average', or 'Large' based on your natural frame. If unsure, 'Average' is a good starting point.
  4. Measure Body Dimensions: Carefully measure your shoulder width (bone to bone), waist height (pubic bone to neck base), and forearm length (elbow crease to wrist crease) in centimeters (cm) and enter these values.
  5. Click 'Calculate True Weight': Once all fields are filled, click the button.

How to Read Your Results

  • Primary Result (Dukan True Weight): This large, highlighted number is your estimated target weight in kilograms (kg) as defined by the Dukan Diet principles. This is the weight you should aim to reach and maintain.
  • Intermediate Values: These provide context:
    • BMI Estimate: A general indicator of weight status based on height and the calculated true weight.
    • Bone Adjustment: Shows how your bone structure influences your target weight (positive for larger, negative for smaller).
    • Gender Factor: Reflects the typical weight difference between genders for a given height and frame.
  • Key Assumptions: These highlight the primary factors driving your result, reinforcing the personalized nature of the Dukan method.
  • Chart and Table: The chart visually represents your calculated true weight relative to potential ranges, while the table breaks down the contribution of different factors.

Decision-Making Guidance

Your calculated Dukan True Weight serves as a crucial guide for your weight loss journey. It helps you determine the duration of the 'Attack' and 'Cruise' phases of the Dukan Diet. If your current weight is significantly above your true weight, you may need a longer 'Attack' phase. As you approach your true weight, the 'Consolidation' and 'Stabilization' phases become paramount. Remember, this is a target; focus on sustainable habits and overall well-being rather than obsessing over the exact number.

Key Factors That Affect Dukan Diet True Weight Results

While the Dukan Diet True Weight Calculator provides a personalized estimate, several factors influence the final result and the effectiveness of achieving it. Understanding these is key to a successful weight management journey:

  1. Accuracy of Measurements: The calculator relies on the precision of your input data. Inaccurate height, shoulder width, waist height, or forearm length measurements will lead to a less precise true weight estimate. Double-checking your measurements is crucial.
  2. Bone Structure Assessment: Determining your bone structure (small, average, large) can be subjective. Using a consistent method or seeking advice if unsure can improve accuracy. A misjudged bone structure will adjust the target weight, potentially setting an unrealistic goal.
  3. Gender Differences: Men and women naturally have different body compositions, with men typically having more muscle mass and women having a different fat distribution. The Dukan formula accounts for this, but individual variations still exist.
  4. Muscle Mass vs. Fat Mass: The calculator estimates a *weight*, not a body composition. An individual with high muscle mass might have a higher weight but be healthier than someone with less muscle and more fat at the same weight. The Dukan diet's protein focus aims to preserve muscle, but this is an underlying factor.
  5. Age and Metabolism: While not directly input, age influences metabolism and body composition, which can affect how easily one reaches and maintains their true weight. The Dukan Diet's structure aims to support metabolism, but individual responses vary.
  6. Hormonal Factors: Hormonal fluctuations (e.g., during menopause, thyroid issues) can impact weight regulation and body composition, potentially making it harder to achieve or maintain the calculated true weight without addressing underlying conditions.
  7. Lifestyle and Activity Level: While the Dukan Diet emphasizes diet, overall lifestyle including exercise, sleep, and stress management plays a significant role in achieving and maintaining true weight. A sedentary lifestyle might make reaching the target harder.
  8. Individual Body Proportions: Even within the same height and gender, people have different body shapes. The Dukan formula tries to account for this with measurements, but unique proportions can mean slight deviations from the calculated ideal.

Frequently Asked Questions (FAQ)

What is the Dukan Diet 'True Weight'?
The Dukan Diet's 'True Weight' is a personalized target weight calculated using a specific formula that considers height, gender, bone structure, and body measurements. It represents a sustainable weight that Dr. Dukan believed could be maintained long-term following his diet principles.
Is the Dukan True Weight the same as BMI?
No, while related, the Dukan True Weight is more personalized than standard BMI. BMI primarily uses height and weight. The Dukan formula incorporates additional physical characteristics like bone structure and body measurements for a more tailored goal.
Can my true weight change over time?
While your calculated true weight provides a target, your body's ideal weight can fluctuate slightly due to age, hormonal changes, or lifestyle adjustments. The goal is to reach a weight you can comfortably maintain. The Dukan Diet's stabilization phase is designed for this long-term maintenance.
What if I'm unsure about my bone structure?
If you're unsure about your bone structure, it's often best to start with 'Average'. You can also try a simple method: wrap your thumb and middle finger around your wrist on the opposite hand. If your fingers overlap significantly, you likely have a small frame; if they barely touch, a large frame; otherwise, average.
How accurate is this calculator?
This calculator uses the widely accepted principles of the Dukan Diet's true weight formula. However, it's an estimation tool. Individual results may vary, and it's always recommended to consult with a healthcare professional or a Dukan Diet coach for personalized advice.
Should I use my current weight or goal weight in the calculator?
You don't enter your current weight into this specific calculator. It calculates your *target* true weight based on your physical measurements (height, gender, bone structure, etc.). Your current weight is what you compare against this target to see how much weight you need to lose.
What do I do if my current weight is very different from my true weight?
If your current weight is significantly above your calculated true weight, it indicates a need for weight loss using the Dukan Diet's initial phases (Attack and Cruise). If you are below your true weight and wish to gain weight healthily, the Dukan Diet may not be the primary approach, and consulting a nutritionist is advised.
Does the Dukan Diet allow for muscle gain?
The Dukan Diet emphasizes preserving muscle mass during weight loss, particularly due to its high-protein nature. While significant muscle *gain* isn't the primary goal of the diet (which focuses on fat loss), maintaining and even slightly increasing muscle mass contributes to a healthy body composition and can influence your perceived ideal weight.
Where can I learn more about the Dukan Diet phases?
You can find comprehensive information about the Dukan Diet's four phases (Attack, Cruise, Consolidation, Stabilization) in official Dukan Diet books and reputable health websites. Understanding these phases is key to successfully reaching and maintaining your true weight. Consider exploring resources on related Dukan Diet tools.

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Please enter between " + min + " and " + max + "."; return false; } errorSpan.textContent = ""; return true; } function calculateDukanTrueWeight() { var heightCm = document.getElementById("heightCm"); var gender = document.getElementById("gender"); var boneStructure = document.getElementById("boneStructure"); var shoulderWidthCm = document.getElementById("shoulderWidthCm"); var waistHeightCm = document.getElementById("waistHeightCm"); var forearmLengthCm = document.getElementById("forearmLengthCm"); var resultsContainer = document.getElementById("results-container"); var chartContainer = document.getElementById("chart-container"); var tableContainer = document.getElementById("table-container"); // Validation var isValid = true; isValid &= validateInput('heightCm', 100, 250); isValid &= validateInput('shoulderWidthCm', 20, 70); isValid &= validateInput('waistHeightCm', 30, 100); isValid &= validateInput('forearmLengthCm', 15, 40); if (!isValid) { resultsContainer.style.display = "none"; chartContainer.style.display = "none"; tableContainer.style.display = "none"; return; } var height = parseFloat(heightCm.value); var genderValue = gender.value; var boneStructureValue = boneStructure.value; var shoulderWidth = parseFloat(shoulderWidthCm.value); var waistHeight = parseFloat(waistHeightCm.value); var forearmLength = parseFloat(forearmLengthCm.value); var baseWeightKg = 0; var genderAdjustment = 0; var boneAdjustment = 0; var measurementFactor = 0; var trueWeightKg = 0; var bmiEstimate = 0; // Step 1: Base weight calculation based on height (simplified representation) // This part is often based on Dukan's tables, here we approximate if (height >= 150 && height = 160 && height = 170 && height = 180 && height 0.24) measurementFactor += 1.0; // Wider shoulders if (shoulderRatio 0.36) measurementFactor += 0.5; // Longer torso relative to height if (waistHeightRatio 0.15) measurementFactor += 0.5; // Longer forearms if (forearmRatio < 0.13) measurementFactor -= 0.5; // Shorter forearms // Final Calculation trueWeightKg = baseWeightKg + genderAdjustment + boneAdjustment + measurementFactor; // Ensure weight is not unrealistically low if (trueWeightKg 150) trueWeightKg = 150; // Upper bound // Calculate BMI estimate for context bmiEstimate = trueWeightKg / Math.pow(height / 100, 2); // Update Results Display document.getElementById("primary-result").textContent = trueWeightKg.toFixed(1) + " kg"; document.getElementById("intermediate-bmi").innerHTML = "Estimated BMI: " + bmiEstimate.toFixed(1); document.getElementById("intermediate-bone-adjustment").innerHTML = "Bone Structure Adjustment: " + boneAdjustment.toFixed(1) + " kg"; document.getElementById("intermediate-gender-factor").innerHTML = "Gender Factor: " + genderAdjustment.toFixed(1) + " kg"; document.getElementById("key-assumption-bone").innerHTML = "Bone Structure: " + boneStructure.options[boneStructure.selectedIndex].text; document.getElementById("key-assumption-gender").innerHTML = "Gender: " + gender.options[gender.selectedIndex].text; document.getElementById("key-assumption-measurements").innerHTML = "Body Measurements Used: Shoulder: " + shoulderWidth + "cm, Waist Height: " + waistHeight + "cm, Forearm: " + forearmLength + "cm"; // Populate Table var tableBody = document.querySelector("#dukanFactorsTable tbody"); tableBody.innerHTML = ""; // Clear previous rows tableBody.innerHTML += "Height" + height.toFixed(0) + " cmBase for calculation"; tableBody.innerHTML += "Gender" + gender.options[gender.selectedIndex].text + "" + genderAdjustment.toFixed(1) + " kg adjustment"; tableBody.innerHTML += "Bone Structure" + boneStructure.options[boneStructure.selectedIndex].text + "" + boneAdjustment.toFixed(1) + " kg adjustment"; tableBody.innerHTML += "Shoulder Width" + shoulderWidth.toFixed(1) + " cmRefinement factor"; tableBody.innerHTML += "Waist Height" + waistHeight.toFixed(1) + " cmRefinement factor"; tableBody.innerHTML += "Forearm Length" + forearmLength.toFixed(1) + " cmRefinement factor"; tableBody.innerHTML += "Calculated True Weight" + trueWeightKg.toFixed(1) + " kgFinal Target Weight"; // Update Chart updateDukanWeightChart(trueWeightKg, height, genderValue, boneStructureValue); resultsContainer.style.display = "block"; chartContainer.style.display = "block"; tableContainer.style.display = "block"; } function updateDukanWeightChart(trueWeight, height, gender, boneStructure) { var ctx = document.getElementById('dukanWeightChart').getContext('2d'); // Destroy previous chart instance if it exists var existingChart = Chart.getChart(ctx); if (existingChart) { existingChart.destroy(); } // Approximate Dukan True Weight ranges based on height and gender (simplified) var minWeightRange = 0; var maxWeightRange = 0; if (gender === "male") { if (height < 170) { minWeightRange = 55; maxWeightRange = 75; } else if (height < 180) { minWeightRange = 65; maxWeightRange = 85; } else { minWeightRange = 70; maxWeightRange = 90; } } else { // female if (height < 160) { minWeightRange = 45; maxWeightRange = 60; } else if (height < 170) { minWeightRange = 50; maxWeightRange = 68; } else { minWeightRange = 55; maxWeightRange = 72; } } // Adjust range slightly based on bone structure if (boneStructure === "small") { minWeightRange -= 2; maxWeightRange -= 1; } else if (boneStructure === "large") { minWeightRange += 1; maxWeightRange += 2; } // Ensure ranges are reasonable minWeightRange = Math.max(minWeightRange, 40); maxWeightRange = Math.min(maxWeightRange, 120); var dataSeries1 = [ { x: 0, y: minWeightRange }, { x: 1, y: minWeightRange } ]; // Lower bound of range var dataSeries2 = [ { x: 0, y: maxWeightRange }, { x: 1, y: maxWeightRange } ]; // Upper bound of range var dataSeries3 = [ { x: 0.5, y: trueWeight } ]; // Your calculated true weight // Canvas needs to be created if it doesn't exist, or ensure it's cleared if (!ctx.canvas.parentNode) { var canvas = document.createElement('canvas'); canvas.id = 'dukanWeightChart'; document.getElementById('chart-container').appendChild(canvas); ctx = canvas.getContext('2d'); } new Chart(ctx, { type: 'line', data: { labels: ['Min Range', 'Max Range'], // Simplified labels for chart axes datasets: [{ label: 'Dukan True Weight Range', data: [ { x: 0, y: minWeightRange }, { x: 1, y: minWeightRange } ], borderColor: '#007bff', borderWidth: 2, fill: false, tension: 0.1 }, { label: 'Your True Weight', data: [ { x: 0.5, y: trueWeight } ], borderColor: '#28a745', borderWidth: 4, pointRadius: 8, fill: false, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { display: false, // Hide x-axis labels for simplicity min: 0, max: 1 }, y: { beginAtZero: false, title: { display: true, text: 'Weight (kg)' } } }, plugins: { legend: { position: 'top', }, title: { display: true, text: 'Your Calculated True Weight vs. Dukan Range' } } } }); } function resetCalculator() { document.getElementById("heightCm").value = "170"; document.getElementById("gender").value = "male"; document.getElementById("boneStructure").value = "average"; document.getElementById("shoulderWidthCm").value = "40"; document.getElementById("waistHeightCm").value = "60"; document.getElementById("forearmLengthCm").value = "25"; // Clear errors var errorSpans = document.querySelectorAll('.error-message'); for (var i = 0; i < errorSpans.length; i++) { errorSpans[i].textContent = ""; } // Hide results document.getElementById("results-container").style.display = "none"; document.getElementById("chart-container").style.display = "none"; document.getElementById("table-container").style.display = "none"; } function copyResults() { var primaryResult = document.getElementById("primary-result").textContent; var intermediateBmi = document.getElementById("intermediate-bmi").textContent; var intermediateBone = document.getElementById("intermediate-bone-adjustment").textContent; var intermediateGender = document.getElementById("intermediate-gender-factor").textContent; var assumptionBone = document.getElementById("key-assumption-bone").textContent; var assumptionGender = document.getElementById("key-assumption-gender").textContent; var assumptionMeasurements = document.getElementById("key-assumption-measurements").textContent; var copyText = "Dukan Diet True Weight Results:\n\n" + "Primary Result: " + primaryResult + "\n" + intermediateBmi + "\n" + intermediateBone + "\n" + intermediateGender + "\n\n" + "Key Assumptions:\n" + assumptionBone + "\n" + assumptionGender + "\n" + assumptionMeasurements + "\n\n" + "Calculated using Dukan Diet principles."; navigator.clipboard.writeText(copyText).then(function() { alert("Results copied to clipboard!"); }).catch(function(err) { console.error("Could not copy text: ", err); alert("Failed to copy results. Please copy manually."); }); } // FAQ Toggle var faqItems = document.querySelectorAll('.faq-item'); for (var i = 0; i < faqItems.length; i++) { faqItems[i].addEventListener('click', function() { this.classList.toggle('open'); }); } // Initialize chart library (Chart.js) – needs to be loaded externally or included inline // For this self-contained HTML, we'll assume Chart.js is available globally. // In a real-world scenario, you'd include: // Add a placeholder for Chart.js if it's not included, so the code doesn't break if (typeof Chart === 'undefined') { console.warn("Chart.js library not found. Chart will not display."); // You might want to load it dynamically or provide a fallback var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js'; script.onload = function() { // Recalculate or re-initialize if needed after loading // For now, we assume the user clicks calculate again if it fails initially }; document.head.appendChild(script); } // Initial calculation on load if default values are set window.onload = function() { if (typeof Chart !== 'undefined') { calculateDukanTrueWeight(); } else { // Try again after a short delay in case Chart.js is loading setTimeout(function() { if (typeof Chart !== 'undefined') { calculateDukanTrueWeight(); } }, 1000); } };

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