Army Weight Scale Calculator

Army Weight Scale Calculator & Guide :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-background: #fff; –shadow: 0 2px 5px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; } .container { max-width: 960px; margin: 20px auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } h1, h2, h3 { color: var(–primary-color); text-align: center; margin-bottom: 20px; } h1 { font-size: 2.2em; } h2 { font-size: 1.8em; margin-top: 30px; border-bottom: 2px solid var(–primary-color); padding-bottom: 10px; } h3 { font-size: 1.4em; margin-top: 25px; } .calculator-wrapper { background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 30px; } .input-group { margin-bottom: 20px; text-align: left; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: var(–primary-color); } .input-group input[type="number"], .input-group select { width: calc(100% – 22px); padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; font-size: 1em; box-sizing: border-box; } .input-group .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; display: block; } .error-message { color: red; font-size: 0.8em; margin-top: 5px; display: none; /* Hidden by default */ } .button-group { display: flex; justify-content: space-between; margin-top: 25px; gap: 10px; } button { padding: 12px 20px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; transition: background-color 0.3s ease; flex: 1; } button.primary { background-color: var(–primary-color); color: white; } button.primary:hover { background-color: #003366; } button.secondary { background-color: #6c757d; color: white; } button.secondary:hover { background-color: #5a6268; } #results { margin-top: 30px; padding: 25px; background-color: #e9ecef; border-radius: 8px; border: 1px solid var(–border-color); } #results h3 { margin-top: 0; color: var(–primary-color); } .result-item { margin-bottom: 15px; font-size: 1.1em; } .result-item strong { color: var(–primary-color); min-width: 180px; display: inline-block; } .primary-result { font-size: 1.8em; font-weight: bold; color: var(–success-color); text-align: center; margin-top: 10px; padding: 15px; background-color: #d4edda; border-radius: 5px; border: 1px solid var(–success-color); } .chart-container { margin-top: 30px; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); text-align: center; } canvas { max-width: 100%; height: auto; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { padding: 10px; text-align: left; border-bottom: 1px solid var(–border-color); } th { background-color: var(–primary-color); color: white; font-weight: bold; } tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 10px; caption-side: top; text-align: left; } .article-content { margin-top: 40px; background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); } .article-content p, .article-content ul, .article-content ol { margin-bottom: 15px; } .article-content ul, .article-content ol { padding-left: 25px; } .article-content li { margin-bottom: 8px; } .article-content a { color: var(–primary-color); text-decoration: none; } .article-content a:hover { text-decoration: underline; } .faq-item { margin-bottom: 15px; } .faq-item strong { display: block; color: var(–primary-color); cursor: pointer; margin-bottom: 5px; } .faq-item p { margin-left: 15px; font-size: 0.95em; display: none; /* Hidden by default */ } .related-links ul { list-style: none; padding: 0; } .related-links li { margin-bottom: 10px; } .related-links a { font-weight: bold; } .related-links span { font-size: 0.9em; color: #555; display: block; margin-top: 3px; } .highlight { background-color: var(–primary-color); color: white; padding: 2px 5px; border-radius: 3px; } .primary-result-label { font-size: 1.2em; font-weight: bold; color: var(–primary-color); display: block; margin-bottom: 5px; }

Army Weight Scale Calculator

Determine your compliance with U.S. Army height and weight standards.

Army Weight Scale Calculator

Male Female Select the gender of the soldier.
Enter height in centimeters (e.g., 175 cm).
Enter current weight in kilograms (e.g., 75 kg).

Your Results

Status: Enter details to calculate
Your Weight Category: N/A
Allowed Weight Range (kg): N/A
Difference from Lower Limit (kg): N/A
Difference from Upper Limit (kg): N/A
Army Standard Used: AR 600-9
Formula Used: Comparison against Army Regulation 600-9 weight tables based on gender and height.

Army Weight Standards by Height

Visual representation of Army weight standards for males and females.

Army Weight Standards (Example Range)
Height (cm) Male Min (kg) Male Max (kg) Female Min (kg) Female Max (kg)

What is the Army Weight Scale?

The Army Weight Scale, officially governed by Army Regulation (AR) 600-9, "The Army Body Composition Program," is a critical standard used by the U.S. Army to ensure soldiers maintain a level of physical fitness and readiness appropriate for military service. It establishes maximum allowable body weight based on a soldier's height and gender. This program is not solely about weight; it encompasses body fat percentage and overall physical condition, aiming to promote health, combat readiness, and a professional military image. Soldiers who exceed these standards are subject to specific protocols and may face career implications if they cannot meet the requirements within a designated timeframe.

Who should use it?

  • Active duty U.S. Army soldiers.
  • Army National Guard and Reserve soldiers.
  • Army recruits and applicants preparing for service.
  • Individuals interested in military fitness standards.

Common Misconceptions:

  • Myth: The Army only cares about weight. Reality: Body fat percentage is also a key metric, and soldiers may be evaluated on this if they are within the weight limits but appear to exceed body fat standards.
  • Myth: The standards are rigid and don't account for muscle mass. Reality: While AR 600-9 provides weight tables, it also allows for exceptions and considerations for soldiers with exceptional muscular development, assessed through body fat measurements.
  • Myth: Failing the weight standard automatically means separation. Reality: Soldiers are typically given a period to meet the standards through a program that includes counseling, nutrition education, and physical training.

Army Weight Scale Formula and Mathematical Explanation

The core of the Army Weight Scale calculation involves comparing a soldier's current weight against a pre-defined range determined by their gender and height. There isn't a single complex mathematical formula in the traditional sense; rather, it's a lookup process against established tables derived from extensive research and military requirements. The regulation provides specific weight tables for males and females.

Step-by-step derivation:

  1. Determine the soldier's gender (Male or Female).
  2. Determine the soldier's height in centimeters (or inches, then convert).
  3. Locate the corresponding height bracket in the appropriate gender-specific table.
  4. Identify the minimum and maximum allowable weight for that height bracket.
  5. Compare the soldier's current weight (in kg or lbs) against this range.

Variable Explanations:

  • Gender: Categorical variable (Male/Female) used to select the correct weight table.
  • Height: Measured physical stature, the primary determinant for the weight range.
  • Weight: The soldier's current body mass.

Variables Table:

Variables in Army Weight Scale Calculation
Variable Meaning Unit Typical Range
Gender Biological sex of the soldier Categorical (Male, Female) Male, Female
Height Vertical distance from the base to the top of the head Centimeters (cm) / Inches (in) 147 cm – 203 cm (approx. 4'10" – 6'8″)
Weight Total mass of the soldier's body Kilograms (kg) / Pounds (lbs) 45 kg – 135 kg (approx. 100 lbs – 300 lbs)
Allowed Weight Range The acceptable weight limits for a given height and gender Kilograms (kg) / Pounds (lbs) Varies significantly based on height

The calculation performed by this Army Weight Scale Calculator is a direct comparison: `Soldier's Weight` vs. `Allowed Weight Range`.

Practical Examples (Real-World Use Cases)

Understanding the Army Weight Scale through examples helps clarify its application.

Example 1: Soldier Meeting Standards

Scenario: A male soldier is 180 cm tall and weighs 78 kg.

Inputs:

  • Gender: Male
  • Height: 180 cm
  • Weight: 78 kg

Calculation:

According to AR 600-9 tables for males, a height of 180 cm typically falls within a weight range of approximately 65 kg to 87 kg.

Outputs:

  • Status: Compliant
  • Weight Category: Within Standard
  • Allowed Weight Range: 65 kg – 87 kg
  • Difference from Lower Limit: 13 kg
  • Difference from Upper Limit: -9 kg

Interpretation: This soldier's weight of 78 kg is well within the acceptable range for his height and gender, indicating he meets the basic Army Weight Scale requirements.

Example 2: Soldier Exceeding Standards

Scenario: A female soldier is 165 cm tall and weighs 80 kg.

Inputs:

  • Gender: Female
  • Height: 165 cm
  • Weight: 80 kg

Calculation:

For females, a height of 165 cm typically has an allowed weight range of approximately 55 kg to 74 kg.

Outputs:

  • Status: Non-Compliant (Overweight)
  • Weight Category: Over Maximum Limit
  • Allowed Weight Range: 55 kg – 74 kg
  • Difference from Lower Limit: 25 kg
  • Difference from Upper Limit: -6 kg

Interpretation: This soldier's weight of 80 kg exceeds the maximum allowable weight of 74 kg for her height. She would be flagged under the Army Weight Scale and required to participate in the Army Body Composition Program to reduce her weight.

How to Use This Army Weight Scale Calculator

Using this Army Weight Scale Calculator is straightforward and designed to provide quick insights into your compliance with Army standards.

  1. Select Gender: Choose 'Male' or 'Female' from the dropdown menu.
  2. Enter Height: Input your height in centimeters (e.g., 175). Ensure accuracy.
  3. Enter Weight: Input your current weight in kilograms (e.g., 75).
  4. Click Calculate: The calculator will instantly process your inputs.

How to Read Results:

  • Status: This is the primary indicator. 'Compliant' means you are within the standard weight range. 'Non-Compliant (Overweight)' or 'Non-Compliant (Underweight)' indicates you are outside the acceptable limits.
  • Allowed Weight Range: Shows the minimum and maximum weight (in kg) considered acceptable for your height and gender according to AR 600-9.
  • Difference from Limits: Indicates how many kilograms you are above the minimum or below the maximum allowed weight. A negative number for the upper limit difference means you are under that limit.
  • Weight Category: Provides a quick label for your current weight status relative to the standards.

Decision-Making Guidance:

  • If 'Compliant', continue maintaining your current fitness level.
  • If 'Non-Compliant', take immediate steps. Consult with your unit leadership, a nutritionist, or a medical professional. Utilize the Army Body Composition Program resources.
  • Use the 'Copy Results' button to easily share your calculated data or save it for your records.
  • The chart and table provide context, showing how your height fits within the broader spectrum of Army standards.

Key Factors That Affect Army Weight Scale Results

While the Army Weight Scale primarily relies on height and weight, several underlying factors influence a soldier's ability to meet and maintain these standards, and how the standards themselves are applied.

  1. Body Composition (Body Fat Percentage): AR 600-9 allows soldiers to be exempt from height/weight screening if they meet body fat percentage standards (18% for males, 26% for females, with variations for age groups). This means a soldier could be slightly over the weight limit but still compliant if their body fat is low enough.
  2. Muscle Mass: Highly muscular individuals might exceed the standard weight for their height but still have a low body fat percentage. The Army acknowledges this through body fat assessments, preventing overly muscular soldiers from being unfairly penalized.
  3. Age: While AR 600-9 doesn't have drastically different weight tables based on age, the body fat percentage standards do vary slightly for different age groups (e.g., 20-29, 30-39, 40-49, 50+).
  4. Gender Differences: Biological differences in body composition (e.g., typical fat distribution and muscle mass) necessitate separate weight tables and body fat standards for males and females.
  5. Nutrition and Diet: Consistent adherence to a healthy diet is crucial for maintaining a weight within the Army Weight Scale. Poor dietary habits are a primary reason soldiers exceed standards.
  6. Physical Training Regimen: Regular and effective physical training is essential for building muscle, burning fat, and maintaining overall fitness. A lack of consistent training can lead to weight gain and decreased muscle tone.
  7. Medical Conditions: Certain medical conditions or prescribed medications can affect a soldier's metabolism and weight. The Army has provisions for soldiers with documented medical issues that impact their ability to meet standards.
  8. Deployment and Lifestyle: Stress, irregular sleep patterns, and changes in diet during deployments or field training can temporarily affect a soldier's weight and their ability to adhere to standards.

Frequently Asked Questions (FAQ)

What is the primary regulation for the Army Weight Scale?

The primary regulation is Army Regulation (AR) 600-9, "The Army Body Composition Program." It outlines the standards, procedures, and requirements for maintaining body weight and composition.

Can a soldier be over the weight limit but still be compliant?

Yes. If a soldier exceeds the maximum allowable weight for their height, they may still be considered compliant if they meet the required body fat percentage standards for their gender and age group. They will typically undergo a body fat assessment.

What happens if a soldier fails the height and weight screening?

Soldiers who fail the screening are typically enrolled in the Army Body Composition Program (ABC). This program involves counseling, nutrition education, and a supervised physical training regimen. Soldiers are given a specific timeframe to meet the standards.

Does the Army Weight Scale consider muscle mass?

Indirectly. While the primary tables are based on height and weight, the body fat percentage standards help account for muscular individuals who might exceed the weight limit but are otherwise physically fit.

Are the weight standards different for different Army branches?

AR 600-9 applies specifically to the U.S. Army. Other branches (Navy, Air Force, Marines, Coast Guard) have their own distinct physical fitness and body composition standards.

How often are soldiers screened for weight?

Soldiers are typically screened during their semi-annual physical fitness tests (APFT) or Army Combat Fitness Test (ACFT), and may be screened at other times at the commander's discretion.

Can I use pounds (lbs) instead of kilograms (kg)?

This calculator specifically uses kilograms (kg) for weight and centimeters (cm) for height, as these are standard units in many military contexts and for scientific measurements. You would need to convert your measurements before using the calculator.

What if I have a medical condition affecting my weight?

If a medical condition impacts your ability to meet the Army Weight Scale standards, you should work closely with your unit's medical personnel. Documentation of the condition may lead to a profile or specific accommodations under Army regulations.

© 2023 Army Weight Scale Calculator. All rights reserved.

// Data for Army Weight Standards (simplified example ranges) // These are illustrative and may not reflect the exact official tables. var armyWeightData = { male: [ { heightCm: 147, minKg: 47, maxKg: 63 }, // Approx 4'10" { heightCm: 150, minKg: 49, maxKg: 65 }, { heightCm: 152, minKg: 51, maxKg: 67 }, // Approx 5'0″ { heightCm: 155, minKg: 53, maxKg: 70 }, { heightCm: 157, minKg: 55, maxKg: 72 }, { heightCm: 160, minKg: 57, maxKg: 75 }, // Approx 5'3″ { heightCm: 163, minKg: 59, maxKg: 77 }, { heightCm: 165, minKg: 61, maxKg: 79 }, { heightCm: 168, minKg: 63, maxKg: 82 }, // Approx 5'6″ { heightCm: 170, minKg: 65, maxKg: 84 }, { heightCm: 173, minKg: 67, maxKg: 86 }, { heightCm: 175, minKg: 69, maxKg: 88 }, // Approx 5'9″ { heightCm: 178, minKg: 71, maxKg: 91 }, { heightCm: 180, minKg: 73, maxKg: 93 }, { heightCm: 183, minKg: 75, maxKg: 96 }, // Approx 6'0″ { heightCm: 185, minKg: 77, maxKg: 98 }, { heightCm: 188, minKg: 79, maxKg: 101 }, { heightCm: 190, minKg: 81, maxKg: 103 }, // Approx 6'3″ { heightCm: 193, minKg: 83, maxKg: 105 }, { heightCm: 195, minKg: 85, maxKg: 108 }, { heightCm: 198, minKg: 87, maxKg: 110 }, // Approx 6'6″ { heightCm: 200, minKg: 89, maxKg: 112 }, { heightCm: 203, minKg: 91, maxKg: 115 } // Approx 6'8″ ], female: [ { heightCm: 147, minKg: 44, maxKg: 60 }, // Approx 4'10" { heightCm: 150, minKg: 46, maxKg: 62 }, { heightCm: 152, minKg: 48, maxKg: 64 }, // Approx 5'0″ { heightCm: 155, minKg: 50, maxKg: 66 }, { heightCm: 157, minKg: 52, maxKg: 68 }, { heightCm: 160, minKg: 54, maxKg: 71 }, // Approx 5'3″ { heightCm: 163, minKg: 56, maxKg: 73 }, { heightCm: 165, minKg: 58, maxKg: 75 }, { heightCm: 168, minKg: 60, maxKg: 78 }, // Approx 5'6″ { heightCm: 170, minKg: 62, maxKg: 80 }, { heightCm: 173, minKg: 64, maxKg: 82 }, { heightCm: 175, minKg: 66, maxKg: 85 }, // Approx 5'9″ { heightCm: 178, minKg: 68, maxKg: 87 }, { heightCm: 180, minKg: 70, maxKg: 89 }, { heightCm: 183, minKg: 72, maxKg: 92 }, // Approx 6'0″ { heightCm: 185, minKg: 74, maxKg: 94 }, { heightCm: 188, minKg: 76, maxKg: 96 }, { heightCm: 190, minKg: 78, maxKg: 99 }, // Approx 6'3″ { heightCm: 193, minKg: 80, maxKg: 101 }, { heightCm: 195, minKg: 82, maxKg: 103 }, { heightCm: 198, minKg: 84, maxKg: 106 }, // Approx 6'6″ { heightCm: 200, minKg: 86, maxKg: 108 }, { heightCm: 203, minKg: 88, maxKg: 110 } // Approx 6'8″ ] }; var chartInstance = null; // To hold the chart instance function findWeightRange(gender, heightCm) { var data = armyWeightData[gender]; if (!data) return null; // Find the closest height entry var closestEntry = null; var minDiff = Infinity; for (var i = 0; i < data.length; i++) { var diff = Math.abs(data[i].heightCm – heightCm); if (diff < minDiff) { minDiff = diff; closestEntry = data[i]; } } return closestEntry; } function calculateWeightScale() { var gender = document.getElementById("soldierGender").value; var heightCm = parseFloat(document.getElementById("soldierHeightCm").value); var weightKg = parseFloat(document.getElementById("soldierWeightKg").value); var eligibilityStatus = document.getElementById("eligibilityStatus"); var weightCategory = document.getElementById("weightCategory"); var allowedWeightRange = document.getElementById("allowedWeightRange"); var differenceLower = document.getElementById("differenceLower"); var differenceUpper = document.getElementById("differenceUpper"); // Clear previous errors document.getElementById("heightError").style.display = 'none'; document.getElementById("weightError").style.display = 'none'; eligibilityStatus.textContent = "Calculating…"; var isValid = true; if (isNaN(heightCm) || heightCm <= 0) { document.getElementById("heightError").textContent = "Please enter a valid height in centimeters."; document.getElementById("heightError").style.display = 'block'; isValid = false; } if (isNaN(weightKg) || weightKg <= 0) { document.getElementById("weightError").textContent = "Please enter a valid weight in kilograms."; document.getElementById("weightError").style.display = 'block'; isValid = false; } if (!isValid) { eligibilityStatus.textContent = "Invalid Input"; weightCategory.textContent = "N/A"; allowedWeightRange.textContent = "N/A"; differenceLower.textContent = "N/A"; differenceUpper.textContent = "N/A"; return; } var rangeData = findWeightRange(gender, heightCm); if (!rangeData) { eligibilityStatus.textContent = "Data unavailable for this height."; weightCategory.textContent = "N/A"; allowedWeightRange.textContent = "N/A"; differenceLower.textContent = "N/A"; differenceUpper.textContent = "N/A"; return; } var minAllowed = rangeData.minKg; var maxAllowed = rangeData.maxKg; var status = ""; var category = ""; if (weightKg maxAllowed) { status = "Non-Compliant (Overweight)"; category = "Above Maximum Limit"; } else { status = "Compliant"; category = "Within Standard"; } var diffLower = weightKg – minAllowed; var diffUpper = weightKg – maxAllowed; eligibilityStatus.textContent = status; eligibilityStatus.style.color = (status === "Compliant") ? "var(–success-color)" : "red"; weightCategory.textContent = category; allowedWeightRange.textContent = minAllowed + " kg – " + maxAllowed + " kg"; differenceLower.textContent = diffLower.toFixed(1) + " kg"; differenceUpper.textContent = diffUpper.toFixed(1) + " kg"; updateChart(gender, heightCm, weightKg, minAllowed, maxAllowed); populateTable(); // Ensure table is populated } function resetCalculator() { document.getElementById("soldierGender").value = "male"; document.getElementById("soldierHeightCm").value = ""; document.getElementById("soldierWeightKg").value = ""; document.getElementById("heightError").style.display = 'none'; document.getElementById("weightError").style.display = 'none'; document.getElementById("eligibilityStatus").textContent = "Enter details to calculate"; document.getElementById("eligibilityStatus").style.color = "var(–primary-color)"; document.getElementById("weightCategory").textContent = "N/A"; document.getElementById("allowedWeightRange").textContent = "N/A"; document.getElementById("differenceLower").textContent = "N/A"; document.getElementById("differenceUpper").textContent = "N/A"; // Reset chart data if needed (or just clear it) if (chartInstance) { chartInstance.destroy(); chartInstance = null; var canvas = document.getElementById('weightChart'); var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); } } function copyResults() { var status = document.getElementById("eligibilityStatus").textContent; var category = document.getElementById("weightCategory").textContent; var range = document.getElementById("allowedWeightRange").textContent; var diffLower = document.getElementById("differenceLower").textContent; var diffUpper = document.getElementById("differenceUpper").textContent; var standard = document.getElementById("armyStandardUsed").textContent; var resultsText = "Army Weight Scale Results:\n"; resultsText += "————————–\n"; resultsText += "Status: " + status + "\n"; resultsText += "Your Weight Category: " + category + "\n"; resultsText += "Allowed Weight Range: " + range + "\n"; resultsText += "Difference from Lower Limit: " + diffLower + "\n"; resultsText += "Difference from Upper Limit: " + diffUpper + "\n"; resultsText += "Army Standard Used: " + standard + "\n"; resultsText += "Formula Used: Comparison against Army Regulation 600-9 weight tables based on gender and height.\n"; // Use the modern Clipboard API if available, fallback to older method if (navigator.clipboard && navigator.clipboard.writeText) { navigator.clipboard.writeText(resultsText).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy: ', err); fallbackCopyTextToClipboard(resultsText); }); } else { fallbackCopyTextToClipboard(resultsText); } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; textArea.style.position = "fixed"; // Avoid scrolling to bottom textArea.style.left = "-9999px"; textArea.style.top = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; alert('Results copied to clipboard! (' + msg + ')'); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Failed to copy results. Please copy manually.'); } document.body.removeChild(textArea); } function updateChart(currentGender, currentHeight, currentWeight, minAllowed, maxAllowed) { var canvas = document.getElementById('weightChart'); var ctx = canvas.getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } var maleData = armyWeightData.male.map(function(item) { return { height: item.heightCm, min: item.minKg, max: item.maxKg }; }); var femaleData = armyWeightData.female.map(function(item) { return { height: item.heightCm, min: item.minKg, max: item.maxKg }; }); // Find the index for the current height to highlight var maleIndex = maleData.findIndex(item => item.height === currentHeight); var femaleIndex = femaleData.findIndex(item => item.height === currentHeight); // Prepare data for chart.js (or similar logic if using native canvas) // For simplicity, let's use a basic representation. A real implementation might use a charting library. // Here, we'll simulate a basic bar chart with lines. // Let's use a simplified approach for native canvas drawing ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear previous drawing var chartHeight = canvas.height; var chartWidth = canvas.width; var padding = 40; var chartAreaWidth = chartWidth – 2 * padding; var chartAreaHeight = chartHeight – 2 * padding; // Find max weight across all data for scaling var maxWeightOverall = 0; maleData.forEach(d => { if (d.max > maxWeightOverall) maxWeightOverall = d.max; }); femaleData.forEach(d => { if (d.max > maxWeightOverall) maxWeightOverall = d.max; }); var scaleFactor = chartAreaHeight / maxWeightOverall; // Draw Axes ctx.beginPath(); ctx.moveTo(padding, padding); ctx.lineTo(padding, chartHeight – padding); // Y-axis ctx.lineTo(chartWidth – padding, chartHeight – padding); // X-axis ctx.strokeStyle = '#ccc'; ctx.stroke(); // Draw Labels ctx.fillStyle = '#555′; ctx.font = '10px Arial'; ctx.textAlign = 'center'; ctx.fillText('Weight (kg)', padding – 20, padding / 2); ctx.fillText('Height (cm)', chartWidth / 2, chartHeight – padding / 2 + 10); // Draw Male Data Series ctx.strokeStyle = 'blue'; ctx.lineWidth = 2; ctx.beginPath(); maleData.forEach(function(d, index) { var xPos = padding + (chartAreaWidth * (d.height – maleData[0].height) / (maleData[maleData.length – 1].height – maleData[0].height)); var yPosMin = chartHeight – padding – (d.min * scaleFactor); var yPosMax = chartHeight – padding – (d.max * scaleFactor); if (index === 0) { ctx.moveTo(xPos, yPosMax); // Start with max line } else { ctx.lineTo(xPos, yPosMax); } }); ctx.stroke(); // Draw max line ctx.strokeStyle = 'lightblue'; ctx.beginPath(); maleData.forEach(function(d, index) { var xPos = padding + (chartAreaWidth * (d.height – maleData[0].height) / (maleData[maleData.length – 1].height – maleData[0].height)); var yPosMin = chartHeight – padding – (d.min * scaleFactor); if (index === 0) { ctx.moveTo(xPos, yPosMin); // Start with min line } else { ctx.lineTo(xPos, yPosMin); } }); ctx.stroke(); // Draw min line // Draw Female Data Series ctx.strokeStyle = 'red'; ctx.lineWidth = 2; ctx.beginPath(); femaleData.forEach(function(d, index) { var xPos = padding + (chartAreaWidth * (d.height – femaleData[0].height) / (femaleData[femaleData.length – 1].height – femaleData[0].height)); var yPosMin = chartHeight – padding – (d.min * scaleFactor); var yPosMax = chartHeight – padding – (d.max * scaleFactor); if (index === 0) { ctx.moveTo(xPos, yPosMax); // Start with max line } else { ctx.lineTo(xPos, yPosMax); } }); ctx.stroke(); // Draw max line ctx.strokeStyle = 'pink'; ctx.beginPath(); femaleData.forEach(function(d, index) { var xPos = padding + (chartAreaWidth * (d.height – femaleData[0].height) / (femaleData[femaleData.length – 1].height – femaleData[0].height)); var yPosMin = chartHeight – padding – (d.min * scaleFactor); if (index === 0) { ctx.moveTo(xPos, yPosMin); // Start with min line } else { ctx.lineTo(xPos, yPosMin); } }); ctx.stroke(); // Draw min line // Highlight current user's height and weight ctx.fillStyle = 'green'; ctx.strokeStyle = 'darkgreen'; ctx.lineWidth = 1; var userXPos = padding + (chartAreaWidth * (currentHeight – (currentGender === 'male' ? maleData[0].height : femaleData[0].height)) / (currentGender === 'male' ? (maleData[maleData.length – 1].height – maleData[0].height) : (femaleData[femaleData.length – 1].height – femaleData[0].height))); var userYPosMin = chartHeight – padding – (minAllowed * scaleFactor); var userYPosMax = chartHeight – padding – (maxAllowed * scaleFactor); var userWeightYPos = chartHeight – padding – (currentWeight * scaleFactor); // Draw user's allowed range line ctx.beginPath(); ctx.moveTo(userXPos, userYPosMax); ctx.lineTo(userXPos, userYPosMin); ctx.stroke(); // Draw user's current weight point ctx.beginPath(); ctx.arc(userXPos, userWeightYPos, 5, 0, Math.PI * 2); ctx.fill(); // Add legend ctx.font = '12px Arial'; ctx.textAlign = 'left'; ctx.fillStyle = 'blue'; ctx.fillText('Male Standard', padding, padding + 15); ctx.fillStyle = 'red'; ctx.fillText('Female Standard', padding, padding + 30); ctx.fillStyle = 'darkgreen'; ctx.fillText('Your Range', padding, padding + 45); ctx.fillStyle = 'black'; ctx.fillText('Your Weight', padding, padding + 60); } function populateTable() { var tableBody = document.getElementById("weightTableBody"); tableBody.innerHTML = ""; // Clear existing rows var maleData = armyWeightData.male; var femaleData = armyWeightData.female; // Determine the maximum number of rows needed based on the longer dataset var maxHeight = Math.max(maleData[maleData.length – 1].heightCm, femaleData[femaleData.length – 1].heightCm); var minHeight = Math.min(maleData[0].heightCm, femaleData[0].heightCm); // Create a set of all unique heights to iterate through var allHeights = new Set(); maleData.forEach(d => allHeights.add(d.heightCm)); femaleData.forEach(d => allHeights.add(d.heightCm)); var sortedHeights = Array.from(allHeights).sort(function(a, b) { return a – b; }); sortedHeights.forEach(function(height) { var maleRow = maleData.find(d => d.heightCm === height); var femaleRow = femaleData.find(d => d.heightCm === height); var row = tableBody.insertRow(); var cellHeight = row.insertCell(0); var cellMaleMin = row.insertCell(1); var cellMaleMax = row.insertCell(2); var cellFemaleMin = row.insertCell(3); var cellFemaleMax = row.insertCell(4); cellHeight.textContent = height + " cm"; cellMaleMin.textContent = maleRow ? maleRow.minKg + " kg" : "-"; cellMaleMax.textContent = maleRow ? maleRow.maxKg + " kg" : "-"; cellFemaleMin.textContent = femaleRow ? femaleRow.minKg + " kg" : "-"; cellFemaleMax.textContent = femaleRow ? femaleRow.maxKg + " kg" : "-"; }); } function toggleFaq(element) { var paragraph = element.nextElementSibling; if (paragraph.style.display === "block") { paragraph.style.display = "none"; } else { paragraph.style.display = "block"; } } // Initial population and calculation on load document.addEventListener('DOMContentLoaded', function() { populateTable(); // Optionally, trigger a calculation if default values are set // calculateWeightScale(); });

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