Us Army Height Weight Calculator

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US Army Height and Weight Calculator

Determine your eligibility based on the latest US Army body composition standards.

Army Body Composition Calculator

Eligibility Status
N/A
Enter your details to check.

Your Metrics

Maximum Allowable Weight

Weight Category

BMI

Male Female Select your gender.
Enter your height in feet and inches.
Enter your weight in pounds (lbs).
Enter your age in years.
Calculations are based on US Army Body Composition Standards, AR 600-9.

What is the US Army Height and Weight Calculator?

The US Army Height and Weight Calculator is an essential online tool designed to help individuals determine if they meet the U.S. Army's body composition standards. Unlike simple Body Mass Index (BMI) calculators, the Army's standards are more nuanced, considering factors like gender, height, and weight to establish acceptable body fat percentages and maximum allowable weights for service members and recruits. This calculator simplifies the process of checking these requirements.

Who Should Use It:

  • Prospective Army recruits needing to assess their initial eligibility.
  • Current Army personnel undergoing periodic body fat assessments.
  • Individuals interested in maintaining fitness standards within the U.S. Army.
  • Anyone curious about military body composition requirements.

Common Misconceptions:

  • BMI is the Sole Factor: While BMI is calculated, it's not the primary determinant. The Army uses specific height-weight tables and body fat percentage limits.
  • One-Size-Fits-All Standards: Standards vary by gender and height, with different maximum weights for different heights within each gender category.
  • Strictly About Weight: The Army focuses on body composition and overall fitness, not just a number on the scale. This calculator helps gauge initial compliance.
  • No Room for Exceptions: While there are standards, the Army also has provisions for body fat measurements for those who exceed the height-weight limits but meet body fat standards.

US Army Height and Weight Calculator Formula and Mathematical Explanation

The U.S. Army's body composition standards are primarily governed by Army Regulation (AR) 600-9. The calculation performed by this calculator aims to simplify the initial screening based on these regulations.

The core calculation involves determining if an individual's weight falls within the acceptable range for their height and gender, as defined by the Army's height-weight tables. Additionally, a standard BMI calculation is performed as a secondary metric.

Key Components:

  1. Height Conversion: Input height in feet and inches is converted into total inches.
  2. Maximum Allowable Weight: This is determined by looking up the corresponding maximum weight from the Army's official height-weight tables based on gender and height (in inches).
  3. Body Mass Index (BMI): Calculated using the standard formula: BMI = (Weight in lbs / (Height in inches)^2) * 703.
  4. Weight Category: Compares the individual's current weight against the maximum allowable weight.
  5. Eligibility Status: Assesses if the individual meets the primary height-weight standard. If they exceed it, they might require a body fat assessment, which this calculator cannot perform.

Variable Explanations:

Variable Meaning Unit Typical Range
Gender Biological sex of the individual. Categorical (Male/Female) Male, Female
Height The vertical distance from the bottom of the feet to the top of the head. Inches (converted from Ft/In) 36 – 80 inches
Weight The individual's body mass. Pounds (lbs) 50 – 350 lbs
Age The individual's age in years. Years 17 – 60 years
Max Allowable Weight The maximum weight permitted for a specific height and gender according to AR 600-9 tables. Pounds (lbs) Varies based on height and gender
BMI Body Mass Index, a ratio of weight to height squared. kg/m² (or lbs/in² * 703) 18.5 – 40+

Note: The official AR 600-9 tables are the definitive source. This calculator provides an estimate based on commonly available data tables.

Practical Examples (Real-World Use Cases)

Example 1: Eligible Recruit

Scenario: A 20-year-old male recruit is 5 feet 10 inches tall and weighs 175 lbs.

Inputs:

  • Gender: Male
  • Height: 5′ 10″ (70 inches)
  • Weight: 175 lbs
  • Age: 20 years

Calculation (Simplified):

  • Height in Inches: (5 * 12) + 10 = 70 inches
  • For a 70-inch male, the maximum allowable weight according to AR 600-9 (as of typical reference tables) is approximately 192 lbs.
  • BMI: (175 / (70 * 70)) * 703 ≈ 25.1

Results:

  • Maximum Allowable Weight: ~192 lbs
  • Weight Category: Within Standards
  • BMI: 25.1
  • Eligibility Status: Eligible

Interpretation: This recruit meets the height-weight standards and is likely eligible for entry into the Army, assuming other requirements are met. Their BMI is in the overweight category but still within acceptable Army limits for their height.

Example 2: Individual Requiring Further Assessment

Scenario: A 25-year-old female soldier is 5 feet 4 inches tall and weighs 150 lbs.

Inputs:

  • Gender: Female
  • Height: 5′ 4″ (64 inches)
  • Weight: 150 lbs
  • Age: 25 years

Calculation (Simplified):

  • Height in Inches: (5 * 12) + 4 = 64 inches
  • For a 64-inch female, the maximum allowable weight according to AR 600-9 (as of typical reference tables) is approximately 145 lbs.
  • BMI: (150 / (64 * 64)) * 703 ≈ 25.7

Results:

  • Maximum Allowable Weight: ~145 lbs
  • Weight Category: Above Maximum
  • BMI: 25.7
  • Eligibility Status: Needs Review (Requires Body Fat Assessment)

Interpretation: This soldier exceeds the maximum allowable weight for her height. She would not automatically be disqualified but would need to undergo a body fat assessment to determine her eligibility. If she meets the body fat percentage standards (e.g., 30% for women aged 20-29), she would still be considered compliant.

How to Use This US Army Height Weight Calculator

Using the US Army Height Weight Calculator is straightforward. Follow these steps to get your results:

  1. Select Gender: Choose 'Male' or 'Female' from the dropdown menu.
  2. Enter Height: Input your height in the 'Feet' and 'Inches' fields.
  3. Enter Weight: Type your current weight in pounds (lbs) into the 'Weight' field.
  4. Enter Age: Input your age in years into the 'Age' field. While age doesn't directly change the height-weight table maximums in AR 600-9 for enlisted personnel, it's included for potential future reference or different service branches.
  5. Click Calculate: Press the 'Calculate' button.

How to Read Results:

  • Eligibility Status: This is the primary indicator. 'Eligible' means you meet the standard height-weight requirement. 'Needs Review' means you are above the maximum weight but may still qualify if you meet body fat percentage standards. 'Not Eligible' typically indicates a significant deviation, though body fat assessment is still the final arbiter.
  • Maximum Allowable Weight: This is the highest weight you can be for your specified height and gender to meet the standard without needing a body fat assessment.
  • Weight Category: This simply states whether your current weight is 'Below Maximum', 'Within Standards', or 'Above Maximum'.
  • BMI: Your Body Mass Index. While calculated, remember it's not the sole factor for Army eligibility.

Decision-Making Guidance:

  • If you are 'Eligible', you are on track regarding body composition. Continue focusing on fitness.
  • If you 'Need Review', understand that you will likely need to undergo a body fat assessment. Focus on improving your body composition through diet and exercise to meet the standards.
  • If the calculator shows 'Not Eligible', it's advisable to consult with an Army recruiter to understand the full requirements and potential pathways, including body fat standards.

Key Factors That Affect US Army Height and Weight Results

Several factors influence your standing relative to the US Army's body composition standards:

  1. Gender: Men and women have different body fat percentages and corresponding height-weight standards due to physiological differences.
  2. Height: The Army establishes maximum allowable weights based on specific height increments. Taller individuals generally have higher maximum weight allowances.
  3. Weight: This is the primary variable you input that is compared against the standard for your height and gender.
  4. Body Fat Percentage: This is the critical factor for individuals who exceed the maximum height-weight limits. AR 600-9 outlines specific body fat percentage standards that, if met, allow individuals to remain in compliance despite being overweight according to the tables.
  5. Age Groups (for Officers/Warrant Officers): While the calculator uses age as input, specific standards for officers and warrant officers can sometimes have different age brackets for body fat percentage requirements compared to enlisted personnel.
  6. Muscle Mass vs. Fat Mass: The Army's standards acknowledge that individuals with high muscle mass might appear overweight by standard tables but are physiologically fit. This is why the body fat assessment is crucial for borderline cases.
  7. Service Component: While this calculator focuses on general Army standards (AR 600-9), specific components like the National Guard or Reserves might have slightly different administrative processes or interpretations, though the core standards usually align.

Frequently Asked Questions (FAQ)

Q1: What is the primary regulation for US Army height and weight?

A1: The primary regulation is Army Regulation (AR) 600-9, "The Army Body Composition Program."

Q2: Do the US Army height and weight standards change?

A2: Yes, regulations are periodically updated. While the core principles remain, specific numbers or procedures might be revised. Always refer to the latest version of AR 600-9 or consult a recruiter for the most current standards.

Q3: What happens if I exceed the maximum weight for my height?

A3: If you exceed the maximum allowable weight for your height and gender, you will typically be required to undergo a body fat assessment. If you meet the body fat percentage standards for your gender and age group, you will remain in compliance.

Q4: Are the standards the same for males and females?

A4: No. The US Army has separate height-weight tables and body fat percentage standards for males and females due to physiological differences.

Q5: Does the calculator account for body fat percentage?

A5: This specific calculator primarily uses the height-weight standards from AR 600-9. It indicates when a body fat assessment might be necessary ('Needs Review' status) but does not calculate body fat percentage itself, as that requires physical measurements.

Q6: Can I use this calculator if I'm applying to other branches of the military?

A6: While this calculator is based on US Army standards (AR 600-9), other branches (Navy, Air Force, Marines, Coast Guard) have their own specific height, weight, and body fat standards. You would need to consult their respective regulations or use branch-specific calculators.

Q7: What are the typical body fat percentage limits for the Army?

A7: As of recent standards, typical maximum body fat percentages are around 20-22% for males and 28-30% for females, with slight variations depending on age group. However, these can change, so verifying with current AR 600-9 is crucial.

Q8: How often are soldiers screened for body composition?

A8: Soldiers are typically screened periodically, often monthly, through command-issued assessments. Those identified as potentially exceeding standards may receive more frequent monitoring or counseling.

Q9: Does muscle weigh more than fat?

A9: Yes, muscle is denser than fat, meaning it takes up less space for the same weight. A very muscular individual might weigh more than the Army's height-weight table allows but still have a healthy body fat percentage. This is why the body fat assessment is a critical component of the Army's program.

Related Tools and Internal Resources

Army Body Composition Standards Chart

Below is a sample representation of the US Army Height-Weight standards. For official and precise measurements, always refer to the current version of AR 600-9.

Male Max Weight
Female Max Weight
Individual's Weight
Sample Army Height-Weight Standards and Individual Comparison

Disclaimer: This calculator is for informational purposes only and is based on publicly available data derived from US Army Regulation 600-9. It does not replace official military assessments or advice from a recruiter. Always consult official sources for the most current and accurate information.

var armyHeightWeightData = { male: [ { height_in: 60, max_weight_lbs: 130, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'0″ { height_in: 61, max_weight_lbs: 134, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'1″ { height_in: 62, max_weight_lbs: 138, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'2″ { height_in: 63, max_weight_lbs: 142, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'3″ { height_in: 64, max_weight_lbs: 146, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'4″ { height_in: 65, max_weight_lbs: 151, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'5″ { height_in: 66, max_weight_lbs: 155, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'6″ { height_in: 67, max_weight_lbs: 159, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'7″ { height_in: 68, max_weight_lbs: 164, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'8″ { height_in: 69, max_weight_lbs: 168, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'9″ { height_in: 70, max_weight_lbs: 173, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'10" { height_in: 71, max_weight_lbs: 177, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 5'11" { height_in: 72, max_weight_lbs: 182, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 6'0″ { height_in: 73, max_weight_lbs: 187, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 6'1″ { height_in: 74, max_weight_lbs: 191, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 6'2″ { height_in: 75, max_weight_lbs: 196, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 6'3″ { height_in: 76, max_weight_lbs: 201, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 6'4″ { height_in: 77, max_weight_lbs: 205, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 6'5″ { height_in: 78, max_weight_lbs: 210, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 6'6″ { height_in: 79, max_weight_lbs: 215, bmi_range_low: 18.5, bmi_range_high: 27.9 }, // 6'7″ { height_in: 80, max_weight_lbs: 220, bmi_range_low: 18.5, bmi_range_high: 27.9 } // 6'8″ ], female: [ { height_in: 60, max_weight_lbs: 116, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'0″ { height_in: 61, max_weight_lbs: 120, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'1″ { height_in: 62, max_weight_lbs: 124, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'2″ { height_in: 63, max_weight_lbs: 128, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'3″ { height_in: 64, max_weight_lbs: 132, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'4″ { height_in: 65, max_weight_lbs: 136, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'5″ { height_in: 66, max_weight_lbs: 140, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'6″ { height_in: 67, max_weight_lbs: 144, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'7″ { height_in: 68, max_weight_lbs: 149, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'8″ { height_in: 69, max_weight_lbs: 153, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'9″ { height_in: 70, max_weight_lbs: 157, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'10" { height_in: 71, max_weight_lbs: 162, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 5'11" { height_in: 72, max_weight_lbs: 166, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 6'0″ { height_in: 73, max_weight_lbs: 171, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 6'1″ { height_in: 74, max_weight_lbs: 175, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 6'2″ { height_in: 75, max_weight_lbs: 180, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 6'3″ { height_in: 76, max_weight_lbs: 185, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 6'4″ { height_in: 77, max_weight_lbs: 189, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 6'5″ { height_in: 78, max_weight_lbs: 194, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 6'6″ { height_in: 79, max_weight_lbs: 199, bmi_range_low: 18.5, bmi_range_high: 29.9 }, // 6'7″ { height_in: 80, max_weight_lbs: 204, bmi_range_low: 18.5, bmi_range_high: 29.9 } // 6'8″ ] }; var chartInstance = null; function initializeChart() { var ctx = document.getElementById('armyStandardsChart').getContext('2d'); if (chartInstance) { chartInstance.destroy(); } chartInstance = new Chart(ctx, { type: 'line', data: { labels: [], // Will be populated by updateChartData datasets: [{ label: 'Male Max Weight (lbs)', data: [], // Will be populated by updateChartData borderColor: '#4e79a7', // Male color backgroundColor: 'rgba(78, 121, 167, 0.2)', fill: false, tension: 0.1 }, { label: 'Female Max Weight (lbs)', data: [], // Will be populated by updateChartData borderColor: '#f28e2b', // Female color backgroundColor: 'rgba(242, 142, 43, 0.2)', fill: false, tension: 0.1 }, { label: 'Individual\'s Weight (lbs)', data: [], // Populated dynamically borderColor: '#e15759', // Rule color backgroundColor: 'rgba(225, 87, 89, 0.2)', fill: false, pointRadius: 5, pointHoverRadius: 7, tension: 0 }] }, options: { responsive: true, maintainAspectRatio: true, scales: { x: { title: { display: true, text: 'Height (inches)' } }, y: { title: { display: true, text: 'Weight (lbs)' }, beginAtZero: false } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y + ' lbs'; } return label; } } } } } }); updateChartData(); // Initial population } function updateChartData() { var maleData = armyHeightWeightData.male; var femaleData = armyHeightWeightData.female; var currentWeight = parseFloat(document.getElementById('weight').value); var currentHeightFt = parseInt(document.getElementById('heightFt').value) || 0; var currentHeightIn = parseInt(document.getElementById('heightIn').value) || 0; var currentTotalHeightIn = (currentHeightFt * 12) + currentHeightIn; var maleMaxWeights = maleData.map(item => item.max_weight_lbs); var femaleMaxWeights = femaleData.map(item => item.max_weight_lbs); var heightLabels = maleData.map(item => item.height_in); // Update Male Max Weights chartInstance.data.datasets[0].data = maleMaxWeights; // Update Female Max Weights chartInstance.data.datasets[1].data = femaleMaxWeights; // Update Individual's Weight data if inputs are valid var individualWeightData = []; if (!isNaN(currentWeight) && currentTotalHeightIn > 0) { // Find the closest height data point or interpolate if needed, for simplicity we'll just add the point if height is within range var heightIndex = heightLabels.indexOf(currentTotalHeightIn); if (heightIndex !== -1) { individualWeightData.push({ x: currentTotalHeightIn, y: currentWeight }); } else { // If height isn't exactly in the dataset, we can add it as a single point or interpolate. // For simplicity, let's just add it if it falls within the range of height labels if (currentTotalHeightIn >= heightLabels[0] && currentTotalHeightIn <= heightLabels[heightLabels.length – 1]) { individualWeightData.push({ x: currentTotalHeightIn, y: currentWeight }); } } } chartInstance.data.datasets[2].data = individualWeightData; // Update labels if they aren't set or if dataset lengths differ significantly (though they should match) if (chartInstance.data.labels.length !== heightLabels.length) { chartInstance.data.labels = heightLabels; } chartInstance.update(); } function toggleFaq(element) { var content = element.nextElementSibling; if (content.style.display === "block") { content.style.display = "none"; } else { content.style.display = "block"; } } function isValidNumber(value) { return !isNaN(parseFloat(value)) && isFinite(value); } function validateInput(inputId, errorId, min, max, allowEmpty = false) { var input = document.getElementById(inputId); var errorElement = document.getElementById(errorId); var value = input.value.trim(); var numValue = parseFloat(value); if (value === '' && !allowEmpty) { errorElement.textContent = "This field cannot be empty."; errorElement.style.display = "block"; input.style.borderColor = '#dc3545'; return false; } else if (value === '' && allowEmpty) { errorElement.textContent = ""; errorElement.style.display = "none"; input.style.borderColor = '#ced4da'; return true; } else if (!isValidNumber(value)) { errorElement.textContent = "Please enter a valid number."; errorElement.style.display = "block"; input.style.borderColor = '#dc3545'; return false; } else if (numValue max) { errorElement.textContent = "Value cannot be greater than " + max + "."; errorElement.style.display = "block"; input.style.borderColor = '#dc3545'; return false; } else { errorElement.textContent = ""; errorElement.style.display = "none"; input.style.borderColor = '#ced4da'; return true; } } function calculateArmyStandards() { var gender = document.getElementById('gender').value; var heightFt = parseInt(document.getElementById('heightFt').value); var heightIn = parseInt(document.getElementById('heightIn').value); var weight = parseFloat(document.getElementById('weight').value); var age = parseInt(document.getElementById('age').value); var errors = false; if (!validateInput('heightFt', 'heightError', 0, 8, true)) errors = true; // Min 0, Max 8 feet, allow empty initially if (!validateInput('heightIn', 'heightError', 0, 11, true)) errors = true; // Min 0, Max 11 inches, allow empty initially if (!validateInput('weight', 'weightError', 50, 350)) errors = true; // Min 50 lbs, Max 350 lbs (adjust as needed) if (!validateInput('age', 'ageError', 17, 60)) errors = true; // Min 17, Max 60 years if (errors) { resetResults(); return; } var totalHeightIn = (isNaN(heightFt) ? 0 : heightFt) * 12 + (isNaN(heightIn) ? 0 : heightIn); if (totalHeightIn === 0 && (isNaN(heightFt) || isNaN(heightIn))) { document.getElementById('heightError').textContent = "Height cannot be zero."; document.getElementById('heightError').style.display = "block"; document.getElementById('heightFt').style.borderColor = '#dc3545'; document.getElementById('heightIn').style.borderColor = '#dc3545'; resetResults(); return; } else { document.getElementById('heightError').textContent = ""; document.getElementById('heightError').style.display = "none"; document.getElementById('heightFt').style.borderColor = '#ced4da'; document.getElementById('heightIn').style.borderColor = '#ced4da'; } var data = armyHeightWeightData[gender]; var maxHeightData = data.find(function(item) { return item.height_in === totalHeightIn; }); var maxAllowableWeight = '–'; var bmi = '–'; var weightCategory = '–'; var eligibility = 'N/A'; var eligibilityMessage = 'Enter details to calculate.'; var eligibilityClass = "; if (maxHeightData) { maxAllowableWeight = maxHeightData.max_weight_lbs; var bmiValue = (weight / (totalHeightIn * totalHeightIn)) * 703; bmi = bmiValue.toFixed(1); if (weight <= maxAllowableWeight) { weightCategory = 'Within Standards'; eligibility = 'Eligible'; eligibilityMessage = 'You meet the Army height and weight standards.'; eligibilityClass = 'eligible'; } else { weightCategory = 'Above Maximum'; eligibility = 'Needs Review'; eligibilityMessage = 'You exceed the maximum weight. A body fat assessment is required.'; eligibilityClass = 'needs-review'; // Check against BMI range for additional context, though not definitive if (bmiValue maxHeightData.bmi_range_high) { // eligibility = 'Not Eligible'; // This is too strong without body fat % // eligibilityMessage = 'You exceed maximum weight and BMI is outside typical acceptable ranges. Consult a recruiter.'; // eligibilityClass = 'not-eligible'; } } } else { // Handle heights not explicitly in the table, e.g., interpolate or show message // For simplicity, let's find the closest range var closestHeightData = data.reduce(function(prev, curr) { return (Math.abs(curr.height_in – totalHeightIn) < Math.abs(prev.height_in – totalHeightIn) ? curr : prev); }); if (closestHeightData) { maxAllowableWeight = closestHeightData.max_weight_lbs; var bmiValue = (weight / (totalHeightIn * totalHeightIn)) * 703; bmi = bmiValue.toFixed(1); if (weight <= maxAllowableWeight) { weightCategory = 'Within Standards'; eligibility = 'Eligible'; eligibilityMessage = 'You meet the Army height and weight standards.'; eligibilityClass = 'eligible'; } else { weightCategory = 'Above Maximum'; eligibility = 'Needs Review'; eligibilityMessage = 'You exceed the maximum weight. A body fat assessment is required.'; eligibilityClass = 'needs-review'; } } else { maxAllowableWeight = 'N/A'; bmi = '–'; weightCategory = 'Invalid Height'; eligibility = 'N/A'; eligibilityMessage = 'Please enter a valid height.'; eligibilityClass = ''; } } document.getElementById('maxWeightResult').textContent = maxAllowableWeight === '–' ? '–' : maxAllowableWeight + ' lbs'; document.getElementById('bmiResult').textContent = bmi; document.getElementById('weightCategoryResult').textContent = weightCategory; document.getElementById('eligibilityResult').querySelector('.value').textContent = eligibility; document.getElementById('eligibilityMessage').textContent = eligibilityMessage; document.getElementById('eligibilityMessage').className = 'eligibility-status ' + eligibilityClass; // Update chart updateChartData(); } function resetResults() { document.getElementById('eligibilityResult').querySelector('.value').textContent = 'N/A'; document.getElementById('eligibilityMessage').textContent = 'Enter your details to check.'; document.getElementById('eligibilityMessage').className = 'eligibility-status'; document.getElementById('maxWeightResult').textContent = '–'; document.getElementById('bmiResult').textContent = '–'; document.getElementById('weightCategoryResult').textContent = '–'; } function resetForm() { document.getElementById('gender').value = 'male'; document.getElementById('heightFt').value = ''; document.getElementById('heightIn').value = ''; document.getElementById('weight').value = ''; document.getElementById('age').value = ''; // Clear errors and reset styles document.getElementById('heightError').textContent = ""; document.getElementById('heightError').style.display = "none"; document.getElementById('weightError').textContent = ""; document.getElementById('weightError').style.display = "none"; document.getElementById('ageError').textContent = ""; document.getElementById('ageError').style.display = "none"; document.getElementById('heightFt').style.borderColor = '#ced4da'; document.getElementById('heightIn').style.borderColor = '#ced4da'; document.getElementById('weight').style.borderColor = '#ced4da'; document.getElementById('age').style.borderColor = '#ced4da'; resetResults(); // Clear individual weight data from chart if (chartInstance) { chartInstance.data.datasets[2].data = []; chartInstance.update(); } } function copyResults() { var mainResult = document.getElementById('eligibilityResult').querySelector('.value').textContent; var mainMessage = document.getElementById('eligibilityMessage').textContent; var maxWeight = document.getElementById('maxWeightResult').textContent; var weightCategory = document.getElementById('weightCategoryResult').textContent; var bmi = document.getElementById('bmiResult').textContent; var gender = document.getElementById('gender').value; var heightFt = document.getElementById('heightFt').value; var heightIn = document.getElementById('heightIn').value; var weight = document.getElementById('weight').value; var age = document.getElementById('age').value; var assumptions = [ `Gender: ${gender}`, `Height: ${heightFt || 0} ft ${heightIn || 0} in`, `Weight: ${weight} lbs`, `Age: ${age}` ]; var textToCopy = `— US Army Height & Weight Calculation Results —\n\n`; textToCopy += `Eligibility: ${mainResult}\n`; textToCopy += `Status Message: ${mainMessage}\n\n`; textToCopy += `— Key Metrics —\n`; textToCopy += `Maximum Allowable Weight: ${maxWeight}\n`; textToCopy += `Weight Category: ${weightCategory}\n`; textToCopy += `BMI: ${bmi}\n\n`; textToCopy += `— Key Assumptions —\n`; textToCopy += assumptions.join('\n') + '\n'; navigator.clipboard.writeText(textToCopy).then(function() { // Optional: Provide feedback to user var originalText = document.getElementById('copyBtn').textContent; document.getElementById('copyBtn').textContent = 'Copied!'; setTimeout(function() { document.getElementById('copyBtn').textContent = originalText; }, 2000); }).catch(function(err) { console.error('Failed to copy: ', err); alert('Failed to copy results. Please copy manually.'); }); } // Event Listeners document.getElementById('calculateBtn').addEventListener('click', calculateArmyStandards); document.getElementById('resetBtn').addEventListener('click', resetForm); document.getElementById('copyBtn').addEventListener('click', copyResults); // Initial calculation on load if values are pre-filled (optional) or just initialize chart document.addEventListener('DOMContentLoaded', function() { initializeChart(); // Optionally run calculateArmyStandards() if you want initial calculation based on any default values // calculateArmyStandards(); }); // Update chart in real-time when inputs change document.getElementById('gender').addEventListener('change', calculateArmyStandards); document.getElementById('heightFt').addEventListener('input', calculateArmyStandards); document.getElementById('heightIn').addEventListener('input', calculateArmyStandards); document.getElementById('weight').addEventListener('input', calculateArmyStandards); document.getElementById('age').addEventListener('input', calculateArmyStandards);

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