Clothing Size Calculator Height Weight Men

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Men's Clothing Size Calculator: Height & Weight Guide

Find your ideal men's clothing size based on your precise height and weight measurements.

Clothing Size Calculator

Average/Athletic Slim Broad/Muscular Heavy/Large

Your Estimated Size

Waist (Inches):
Chest (Inches):
Inseam (Inches):
Size estimation is based on standard industry guidelines correlating height, weight, body measurements, and common clothing sizes. Specific brand sizing may vary.

Size Chart Summary

Comparison of estimated measurements against standard men's sizing ranges.
Men's Standard Sizing Reference (General Guide)
Size Chest (in) Waist (in) Inseam (in)
S34-3628-3030-32
M38-4031-3331-33
L42-4434-3632-34
XL46-4837-3932-34
XXL50-5240-4233-35

What is a Men's Clothing Size Calculator (Height & Weight)?

A men's clothing size calculator based on height and weight is an online tool designed to help individuals determine their most appropriate clothing size, particularly for items like shirts, jackets, trousers, and suits. Instead of relying solely on guesswork or trying on numerous garments, this calculator uses your physical dimensions—primarily your height and weight—along with other factors like body type, to estimate the best standard size. The goal is to streamline the shopping experience, whether online or in-store, by providing a data-driven recommendation that increases the likelihood of a good fit right from the start. This tool is particularly useful for men who are unsure of their size, are trying new brands with different sizing conventions, or are purchasing clothing as a gift.

Who should use it? Any man who wants to ensure a better fit when buying clothes. This includes those who have recently experienced weight fluctuations, men who are between standard sizes, individuals shopping for brands they haven't worn before, or even experienced shoppers looking for a quick, reliable reference. Understanding your measurements and how they translate to different sizing systems is crucial for comfort and confidence.

Common misconceptions about men's clothing size calculators include the belief that they provide a universally perfect size for all brands, which is rarely the case due to variations in brand-specific sizing. Another misconception is that height and weight alone are sufficient; while they are primary indicators, body shape and proportions also play a significant role. Finally, some may think these calculators are only for online shopping, but they are equally valuable for in-store purchases to narrow down initial choices.

Men's Clothing Size Calculator Formula and Mathematical Explanation

While a precise, universal formula for men's clothing size based solely on height and weight is complex due to the vast variations in human body shapes and the arbitrary nature of sizing standards, a common approach involves using these inputs to estimate key body measurements. These estimated measurements are then compared against standard sizing charts. The calculation typically involves:

  1. Height Conversion: Converting the input height (e.g., feet and inches) into a single unit, usually inches or centimeters.
  2. Weight-to-BMI/Body Composition Estimation: Using height and weight to infer a general body type or Body Mass Index (BMI). While BMI isn't a perfect measure of body fat, it can serve as a rough indicator. More sophisticated calculators might use proprietary algorithms or statistical data correlating height and weight to average chest, waist, and hip measurements for different body types.
  3. Estimated Body Measurements: Based on the height, weight, and selected body type, estimations for key measurements like chest circumference, waist circumference, and inseam length are calculated. These are often derived from averages and statistical models. For instance, a taller, heavier man might be estimated to have a larger chest and waist than a shorter, lighter man of the same height.
  4. Size Mapping: The estimated body measurements are then mapped to the closest standard clothing size (e.g., Small, Medium, Large, XL) by comparing them against predefined size ranges for each category.

Variable Explanations:

Variables Used in Size Estimation
Variable Meaning Unit Typical Range
Height (H) Total vertical stature of the individual. Inches (in) / Centimeters (cm) 5'0″ (60 in) to 6'5″ (77 in)
Weight (W) Total body mass of the individual. Pounds (lbs) / Kilograms (kg) 100 lbs to 400 lbs
Body Type (BT) General body shape descriptor (e.g., Slim, Average, Broad). Categorical Slim, Average, Broad, Heavy
Estimated Chest (C) Estimated circumference around the fullest part of the chest. Inches (in) 30 in to 55 in
Estimated Waist (Wa) Estimated circumference around the natural waistline. Inches (in) 26 in to 48 in
Estimated Inseam (I) Estimated length from crotch to ankle. Inches (in) 28 in to 36 in
Clothing Size Standard apparel size designation (S, M, L, XL, etc.). Categorical S, M, L, XL, XXL

Example Formula Logic (Conceptual):

Estimated Chest = BaseChest + (Height - AvgHeight) * HeightFactorChest + (Weight - AvgWeight) * WeightFactorChest + BodyTypeAdjustmentChest

Estimated Waist = BaseWaist + (Height - AvgHeight) * HeightFactorWaist + (Weight - AvgWeight) * WeightFactorWaist + BodyTypeAdjustmentWaist

Estimated Inseam = BaseInseam + (Height - AvgHeight) * HeightFactorInseam

The specific constants (Base values, Factors, Adjustments) are derived from statistical analysis of body measurements across different populations and are proprietary to sizing chart creators. For this calculator, simplified estimations are used.

Practical Examples of Using the Men's Clothing Size Calculator

Understanding how the calculator works in practice can help users make informed decisions about their apparel purchases.

Example 1: The Athletic Build

Scenario: John is 6'1″ tall and weighs 190 lbs. He has an athletic build, meaning he's muscular with a relatively trim waist compared to his chest and shoulders. He's shopping for a new casual shirt and a pair of jeans online.

Inputs:

  • Height: 6′ 1″ (73 inches)
  • Weight: 190 lbs
  • Body Type: Average/Athletic

Calculator Output (Illustrative):

  • Estimated Chest: 42 inches
  • Estimated Waist: 34 inches
  • Estimated Inseam: 32 inches
  • Primary Result: Large (L)

Interpretation: The calculator suggests a size Large for John. The estimated chest measurement of 42 inches falls squarely within the typical Large range (42-44 inches), and the waist of 34 inches also aligns well (34-36 inches). An inseam of 32 inches is common for standard length trousers. Based on this, John should confidently select a size Large shirt and trousers from a brand using standard sizing.

Example 2: The Slim Figure

Scenario: Mark is 5'9″ tall and weighs 145 lbs. He has a slim build and finds that standard sizes often run too large in the torso and sleeves.

Inputs:

  • Height: 5′ 9″ (69 inches)
  • Weight: 145 lbs
  • Body Type: Slim

Calculator Output (Illustrative):

  • Estimated Chest: 37 inches
  • Estimated Waist: 29 inches
  • Estimated Inseam: 30 inches
  • Primary Result: Medium (M) / Small (S)

Interpretation: The calculator estimates Mark's chest at 37 inches and waist at 29 inches. These measurements place him at the lower end of the Medium size range (Chest 38-40, Waist 31-33) and potentially the higher end of Small (Chest 34-36, Waist 28-30). The calculator might indicate 'Medium (leaning Small)' or provide both as options. For items where a slimmer fit is desired, Mark might opt for a Small, especially if the brand tends to run large. If he prefers a slightly looser fit or anticipates slight weight gain, Medium would be the safer bet. The inseam of 30 inches fits the shorter range for Small/Medium.

How to Use This Men's Clothing Size Calculator

Using this men's clothing size calculator is straightforward and designed for quick, accurate results. Follow these simple steps:

  1. Measure Accurately: The most crucial step is obtaining precise measurements. Wear minimal clothing and use a flexible measuring tape.
    • Height: Stand straight against a wall, mark the top of your head, and measure from the floor.
    • Weight: Use a reliable scale.
  2. Input Your Data: Enter your measurements into the calculator fields.
    • For height, enter the feet and inches separately.
    • Enter your weight in pounds.
    • Select the body type that best describes your build (Average/Athletic, Slim, Broad/Muscular, Heavy/Large). If unsure, 'Average/Athletic' is often a good starting point.
  3. Calculate: Click the "Calculate Size" button. The tool will process your inputs instantly.
  4. Review Results:
    • Primary Result: This is your estimated clothing size (e.g., Medium, Large).
    • Intermediate Measurements: Check the estimated chest, waist, and inseam. These can be helpful for comparing against specific garment measurements.
    • Size Chart: The dynamic chart and static table provide context, showing how your estimated measurements align with standard sizing categories.
  5. Interpret and Decide: Use the results as a strong guideline. Remember that different brands have different fits. For instance, if your waist measurement is at the top end of a size range but your chest is in the middle, you might prefer the larger size for a more comfortable fit, especially for tops. If you're between sizes, consider the cut of the garment (slim-fit vs. regular-fit) and your personal preference for fit.
  6. Reset: If you need to re-calculate with different measurements, use the "Reset" button to clear the fields and start over.
  7. Copy: Use the "Copy Results" button to save or share your estimated size and measurements.

This calculator aims to simplify your shopping, but always refer to the specific brand's size chart when possible for the most accurate fit.

Key Factors That Affect Men's Clothing Size Results

While height and weight are primary drivers for sizing, several other factors significantly influence the accuracy and applicability of a men's clothing size calculator. Understanding these can help you refine your choices:

  1. Body Shape and Proportions: This is arguably the most significant factor beyond height and weight. Men have diverse body shapes – ectomorph (slim), mesomorph (muscular), and endomorph (larger frame). Even at the same height and weight, someone with broad shoulders and a narrow waist will need different sizing than someone with a more linear or pear-shaped build. Our 'Body Type' input attempts to account for this, but individual variations are vast.
  2. Brand-Specific Sizing Variations: Sizing standards are not globally uniform. A 'Large' in one brand might fit like a 'Medium' or 'XL' in another. European, American, and Asian sizing conventions differ significantly. Always check the specific brand's size chart, especially for niche or international labels.
  3. Garment Type and Fit: The intended fit of the garment plays a crucial role. A tailored suit jacket requires precise measurements for a snug fit, whereas an oversized hoodie prioritizes comfort and roominess. The calculator provides a baseline; consider whether you prefer slim-fit, regular-fit, or relaxed-fit items. For trousers, the rise (low, mid, high) also affects how the waist measurement relates to your body.
  4. Fabric and Stretch: Fabrics with inherent stretch (like elastane blends) can accommodate a wider range of body shapes and fluctuations compared to rigid materials (like traditional denim or heavy cotton). A stretchy shirt might allow you to comfortably wear a size smaller than a non-stretch equivalent.
  5. Posture and How You Wear Clothes: Subtle differences in posture can affect how garments hang. Furthermore, preferences vary – some men prefer clothes tighter, while others like them looser. The calculator offers an objective estimate, but subjective fit preference is key.
  6. Aging and Body Changes: Weight and body composition can change over time due to lifestyle, diet, exercise, or age. A size that fit perfectly a few years ago might not be accurate today. Regular measurement updates are essential for maintaining an accurate understanding of your size.
  7. Manufacturing Tolerances: Even within the same brand and size, minor variations can occur during the manufacturing process. This is less common with reputable brands but can happen.

Frequently Asked Questions (FAQ)

  • How accurate is a height and weight based clothing size calculator?
    These calculators provide a good estimate based on general statistical averages. However, they cannot account for every individual's unique body shape and proportions. For the most accurate fit, always consult the specific brand's size chart and consider trying items on if possible.
  • What's the difference between chest and waist measurements for men's sizing?
    The chest measurement is taken around the fullest part of your chest, typically across the nipples. The waist measurement is taken around your natural waistline, which is usually the narrowest part of your torso, often near the belly button. Both are critical for determining the fit of shirts, jackets, and trousers.
  • My height and weight suggest I'm a Large, but my waist is more like a Medium. What size should I choose?
    This is a common dilemma. For tops (shirts, jackets), prioritize the size that fits your chest and shoulders best, then consider if the waist is acceptable or can be tailored. For bottoms (trousers, jeans), prioritize the waist fit, then check the inseam and seat. If you're borderline, opting for the larger size often provides more comfort and room for adjustment.
  • Does body type really matter for sizing?
    Yes, significantly. Body type accounts for how weight is distributed. An athletic build might have a larger chest and smaller waist relative to their weight compared to someone with a heavier frame. Selecting the appropriate body type in the calculator helps refine the estimated measurements for a better starting point.
  • What does 'inseam' refer to for pants?
    The inseam is the length of the inside of the leg, measured from the crotch down to the desired hemline (usually the ankle or the top of the shoe). It's crucial for ensuring pants are the correct length and don't bunch up at the ankles or appear too short.
  • Can I use this calculator for women's clothing sizes?
    No, this calculator is specifically designed for men's sizing conventions. Women's sizing differs significantly in terms of measurements and size designations. You would need a dedicated women's clothing size calculator.
  • What if I'm between sizes?
    If your measurements place you between two standard sizes, consider the garment's intended fit. For a slimmer, more tailored look, choose the smaller size. For a looser, more comfortable fit, or if you're between sizes due to chest/shoulder width, choose the larger size. Reading product descriptions for fit details is also highly recommended.
  • Should I measure over or under my clothes?
    Always measure directly against your skin or over lightweight undergarments. Wearing bulky clothing underneath will lead to inaccurate measurements and potentially ill-fitting clothes.
  • How often should I update my measurements?
    It's advisable to re-measure yourself at least once a year, or whenever you notice significant changes in your body weight or composition. Lifestyle, diet, and exercise can all impact your size.

© 2023 Your Brand Name. All rights reserved. This calculator and information are for guidance purposes only.

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Min: ' + min + ', Max: ' + max + '.'; isValid = false; } } return isValid; } function calculateSize() { var heightFt = parseFloat(document.getElementById('heightFt').value); var heightIn = parseFloat(document.getElementById('heightIn').value); var weightLbs = parseFloat(document.getElementById('weightLbs').value); var bodyType = document.getElementById('bodyType').value; var heightFtError = document.getElementById('heightFtError'); var heightInError = document.getElementById('heightInError'); var weightLbsError = document.getElementById('weightLbsError'); var isValid = true; if (!validateInput('heightFt', 'heightFtError', 1, 7, false)) isValid = false; if (!validateInput('heightIn', 'heightInError', 0, 11, false)) isValid = false; if (!validateInput('weightLbs', 'weightLbsError', 1, 1000, false)) isValid = false; if (!isValid) { return; } var totalHeightIn = (heightFt * 12) + heightIn; var cm = totalHeightIn * 2.54; var kg = weightLbs * 0.453592; var estimatedChest = 30; var estimatedWaist = 26; var estimatedInseam = 28; // Base estimations and adjustments based on height, weight, and body type // These are simplified models for demonstration if (bodyType === 'average') { estimatedChest = 34 + (totalHeightIn – 69) * 1.2 + (weightLbs – 160) * 0.3; estimatedWaist = 28 + (totalHeightIn – 69) * 0.8 + (weightLbs – 160) * 0.25; estimatedInseam = 28 + (totalHeightIn – 69) * 0.7; } else if (bodyType === 'slim') { estimatedChest = 32 + (totalHeightIn – 69) * 1.1 + (weightLbs – 130) * 0.3; estimatedWaist = 26 + (totalHeightIn – 69) * 0.7 + (weightLbs – 130) * 0.2; estimatedInseam = 28 + (totalHeightIn – 69) * 0.65; } else if (bodyType === 'broad') { estimatedChest = 38 + (totalHeightIn – 73) * 1.3 + (weightLbs – 200) * 0.4; estimatedWaist = 32 + (totalHeightIn – 73) * 0.9 + (weightLbs – 200) * 0.3; estimatedInseam = 30 + (totalHeightIn – 73) * 0.75; } else if (bodyType === 'heavy') { estimatedChest = 42 + (totalHeightIn – 71) * 1.2 + (weightLbs – 230) * 0.5; estimatedWaist = 36 + (totalHeightIn – 71) * 0.8 + (weightLbs – 230) * 0.4; estimatedInseam = 31 + (totalHeightIn – 71) * 0.7; } // Ensure minimum values and reasonable upper bounds estimatedChest = Math.max(30, Math.min(55, estimatedChest)); estimatedWaist = Math.max(26, Math.min(48, estimatedWaist)); estimatedInseam = Math.max(28, Math.min(36, estimatedInseam)); // Round to nearest half inch or whole inch for practical use estimatedChest = Math.round(estimatedChest * 2) / 2; estimatedWaist = Math.round(estimatedWaist * 2) / 2; estimatedInseam = Math.round(estimatedInseam * 2) / 2; var size = 'M'; var chest = estimatedChest; var waist = estimatedWaist; var inseam = estimatedInseam; if (chest >= 34 && chest = 28 && waist = 30 && inseam = 38 && chest = 31 && waist = 31 && inseam = 42 && chest = 34 && waist = 32 && inseam = 46 && chest = 37 && waist = 32 && inseam = 50 && chest = 40 && waist = 33 && inseam <= 35) { size = 'XXL'; } else { // Handle cases outside standard ranges or borderline if (chest 52) size = 'XXXL'; // Assuming XXXL for very large else if (waist 42) size = 'XXL (Large Waist)'; else size = 'Custom'; // Indicate potential need for custom sizing or careful selection } // Adjust primary result if borderline cases if (size === 'M' && (chest < 37 || waist 43 || waist > 35)) { size = 'Large (leaning XL)'; } if (size === 'S' && (chest > 35 || waist > 29)) { size = 'Small (leaning Medium)'; } document.getElementById('primary-result').textContent = size; document.getElementById('intermediate-chest').getElementsByTagName('span')[0].textContent = chest.toFixed(1); document.getElementById('intermediate-waist').getElementsByTagName('span')[0].textContent = waist.toFixed(1); document.getElementById('intermediate-inseam').getElementsByTagName('span')[0].textContent = inseam.toFixed(1); updateChart(chest, waist, inseam); } function resetCalculator() { document.getElementById('heightFt').value = 5; document.getElementById('heightIn').value = 10; document.getElementById('weightLbs').value = 165; document.getElementById('bodyType').value = 'average'; document.getElementById('heightFtError').textContent = "; 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var inseam = document.getElementById('intermediate-inseam').getElementsByTagName('span')[0].textContent; var assumptions = "Assumptions:\n"; assumptions += "- Body Type: " + document.getElementById('bodyType').value + "\n"; assumptions += "- Based on standard sizing charts. Individual brand sizing may vary.\n"; var textToCopy = "Estimated Men's Clothing Size:\n"; textToCopy += "———————————-\n"; textToCopy += "Size: " + primaryResult + "\n"; textToCopy += "Estimated Chest: " + chest + " inches\n"; textToCopy += "Estimated Waist: " + waist + " inches\n"; textToCopy += "Estimated Inseam: " + inseam + " inches\n"; textToCopy += "\n" + assumptions; navigator.clipboard.writeText(textToCopy).then(function() { // Optional: Provide user feedback, e.g., a temporary message var copyButton = event.target; var originalText = copyButton.textContent; copyButton.textContent = 'Copied!'; setTimeout(function() { copyButton.textContent = originalText; }, 2000); }).catch(function(err) { console.error('Could not copy text: ', err); // Optional: Provide error feedback }); } var sizeChart; // Global variable for chart instance function updateChart(chest, waist, inseam) { if (sizeChart) { sizeChart.destroy(); } var ctx = document.getElementById('sizeChartCanvas').getContext('2d'); var data = { labels: ['S', 'M', 'L', 'XL', 'XXL'], datasets: [ { label: 'Chest Range (in)', data: [35, 39, 43, 47, 51], // Midpoints of ranges: S(34-36), M(38-40), L(42-44), XL(46-48), XXL(50-52) borderColor: 'rgb(75, 192, 192)', backgroundColor: 'rgba(75, 192, 192, 0.2)', fill: false, tension: 0.1, pointRadius: 5, pointHoverRadius: 8 }, { label: 'Waist Range (in)', data: [29, 32, 35, 38, 41], // Midpoints of ranges: S(28-30), M(31-33), L(34-36), XL(37-39), XXL(40-42) borderColor: 'rgb(255, 159, 64)', backgroundColor: 'rgba(255, 159, 64, 0.2)', fill: false, tension: 0.1, pointRadius: 5, pointHoverRadius: 8 }, // Add inseam data series if desired, or keep it simpler // { // label: 'Inseam Range (in)', // data: [31, 32, 33, 33, 34], // Midpoints: S(30-32), M(31-33), L(32-34), XL(32-34), XXL(33-35) // borderColor: 'rgb(153, 102, 255)', // backgroundColor: 'rgba(153, 102, 255, 0.2)', // fill: false, // tension: 0.1, // pointRadius: 5, // pointHoverRadius: 8 // } ] }; // Add the estimated points to the chart var estimatedPointChest = data.labels.indexOf(getSizeFromMeasurements(chest, waist, inseam).charAt(0)); // Find index based on derived size var estimatedPointWaist = estimatedPointChest; // Same index for consistency // Correctly find index for estimated points if size is borderline or custom var sizeLabel = getSizeFromMeasurements(chest, waist, inseam); var estimatedIndex = -1; if (sizeLabel.startsWith('S')) estimatedIndex = 0; else if (sizeLabel.startsWith('M')) estimatedIndex = 1; else if (sizeLabel.startsWith('L')) estimatedIndex = 2; else if (sizeLabel.startsWith('XL')) estimatedIndex = 3; else if (sizeLabel.startsWith('XXL')) estimatedIndex = 4; if(estimatedIndex !== -1) { data.datasets.push({ label: 'Your Estimated Measurements', data: Array(data.labels.length).fill(null).map((_, i) => i === estimatedIndex ? { x: data.labels[i], y: chest } : null), // Plot chest point at estimated size index borderColor: 'var(–primary-color)', backgroundColor: 'var(–primary-color)', type: 'scatter', // Use scatter for single points pointRadius: 8, pointHoverRadius: 10, showLine: false // Don't connect these points }); data.datasets.push({ label: 'Your Estimated Waist', data: Array(data.labels.length).fill(null).map((_, i) => i === estimatedIndex ? { x: data.labels[i], y: waist } : null), // Plot waist point at estimated size index borderColor: 'orange', backgroundColor: 'orange', type: 'scatter', pointRadius: 8, pointHoverRadius: 10, showLine: false }); } sizeChart = new Chart(ctx, { type: 'line', // Default type, but scatter points will overlay data: data, options: { responsive: true, maintainAspectRatio: false, plugins: { title: { display: true, text: 'Estimated Measurements vs. Standard Size Ranges', font: { size: 16 } }, legend: { position: 'top', }, tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y + ' in'; } return label; } } } }, scales: { x: { title: { display: true, text: 'Standard Size' } }, y: { title: { display: true, text: 'Measurement (Inches)' }, beginAtZero: false // Adjust if needed } } } }); } // Helper function to get size label based on measurements for chart placement function getSizeFromMeasurements(chest, waist, inseam) { if (chest >= 34 && chest = 28 && waist = 30 && inseam = 38 && chest = 31 && waist = 31 && inseam = 42 && chest = 34 && waist = 32 && inseam = 46 && chest = 37 && waist = 32 && inseam = 50 && chest = 40 && waist = 33 && inseam <= 35) return 'XXL'; // Fallback for borderline or outside ranges if (chest 52) return 'XXL'; // Place it near XXL category if (waist 42) return 'XXL'; // Default to M if no clear match or for other complex cases return 'M'; } function drawInitialChart() { var ctx = document.getElementById('sizeChartCanvas').getContext('2d'); // Destroy if exists to prevent multiple instances if (window.sizeChart) { window.sizeChart.destroy(); } window.sizeChart = new Chart(ctx, { type: 'line', // Basic type data: { labels: ['S', 'M', 'L', 'XL', 'XXL'], datasets: [ { label: 'Chest Range (in)', data: [], borderColor: 'rgba(0,0,0,0)', backgroundColor: 'rgba(0,0,0,0)' }, { label: 'Waist Range (in)', data: [], borderColor: 'rgba(0,0,0,0)', backgroundColor: 'rgba(0,0,0,0)' }, { label: 'Your Estimated Measurements', data: [], borderColor: 'rgba(0,0,0,0)', backgroundColor: 'rgba(0,0,0,0)' } ] }, options: { responsive: true, maintainAspectRatio: false, plugins: { title: { display: false }, legend: { display: false } }, scales: { x: {}, y: {} } } }); } // Initialize the chart on page load document.addEventListener('DOMContentLoaded', function() { drawInitialChart(); // Perform an initial calculation to populate results and chart on load calculateSize(); }); // Accordion for FAQ document.addEventListener('DOMContentLoaded', function() { var faqQuestions = document.querySelectorAll('.faq-question'); faqQuestions.forEach(function(question) { question.addEventListener('click', function() { var answer = this.nextElementSibling; if (answer.style.display === 'block') { answer.style.display = 'none'; } else { answer.style.display = 'block'; } }); }); });

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