Army Height and Weight Standards 2021 Calculator

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Army Height and Weight Standards 2021 Calculator

Check your eligibility against the U.S. Army's physical standards.

Check Your Army Standards Eligibility (2021)

Enter your details below to see if you meet the U.S. Army's height and weight requirements as of 2021. Remember, these are general guidelines and meeting them is a crucial step towards enlistment.

Male Female
Select your gender for accurate standards.
Enter your height in whole inches (e.g., 5'8″ is 68 inches).
Enter your weight in whole pounds (lbs).
Enter years of service (for current soldiers) or age (for recruits) in whole years. This helps determine available weight tolerance ranges.

Your Eligibility Status

Minimum Weight Allowed: lbs

Maximum Weight Allowed: lbs

Your Weight Status:

Standard Used:

Formula Explanation: The U.S. Army uses height-weight charts that provide acceptable weight ranges based on gender, height, and age/service years. This calculator determines your position within these ranges. For recruits, age is used; for current soldiers, years of service can influence flexibility. The 2021 standards were based on AR 600-9.

Weight Range by Height and Age Group

This chart visualizes the acceptable weight ranges for your gender across different heights, highlighting your position within the 2021 Army standards.

Army Weight Standards Table (Example Subset – Male, 2021)

Height (Inches) Age Group (Years) Min Weight (lbs) Max Weight (lbs)
60 17-20 112 149
60 21-23 114 152
70 17-20 142 189
70 21-23 144 192
70 24-26 145 194
70 27+ 147 195
80 17-20 177 237
80 21-23 180 241
Note: This is a simplified table. The official Army standards (AR 600-9) contain more detailed age brackets and specific ranges. Female standards also differ.

What is the Army Height and Weight Standards 2021 Calculator?

The Army Height and Weight Standards 2021 Calculator is a specialized tool designed to help individuals determine if their physical measurements align with the U.S. Army's established criteria for enlistment and retention as of 2021. This calculator simplifies the complex charts and regulations, allowing users to quickly assess their compliance with height and weight requirements based on their gender, height, and age or years of service.

Who Should Use It?

This calculator is primarily intended for:

  • Prospective U.S. Army recruits who are preparing for enlistment and want to ensure they meet the initial physical standards.
  • Current U.S. Army soldiers who may be concerned about their weight status or need to reference the 2021 standards.
  • Individuals interested in the specific physical requirements for military service.
  • Parents or guardians of potential recruits seeking to understand the enlistment criteria.

Common Misconceptions

Several common misconceptions surround military height and weight standards. It's important to clarify:

  • Myth: Anyone slightly over the maximum weight is immediately disqualified.
    Reality: The Army utilizes a "don't ask, don't tell" weight program, and individual waivers or body fat percentage tests might be permissible under certain circumstances, though the 2021 standards aimed for greater clarity.
  • Myth: The standards are the same for all branches of the military.
    Reality: Each military branch (Army, Navy, Air Force, Marines, Coast Guard) has its own specific height and weight regulations.
  • Myth: The calculator provides a guarantee of enlistment.
    Reality: Meeting height and weight standards is just one of many requirements for Army enlistment, which also includes physical fitness tests, medical screenings, background checks, and aptitude tests.
  • Myth: The standards are static and never change.
    Reality: Military regulations, including height and weight standards, are periodically reviewed and updated. The Army Height and Weight Standards 2021 Calculator specifically reflects the regulations in effect for that year.

Army Height and Weight Standards 2021: Formula and Mathematical Explanation

The official U.S. Army physical standards are governed by regulations, primarily Army Regulation 600-9. For 2021, these standards established acceptable weight ranges based on a person's height, gender, and age group. While the regulation provides comprehensive tables, the underlying principle is to ensure soldiers are within a healthy and operationally effective weight range.

Derivation and Variables

The process of determining an individual's compliance involves comparing their measured weight against the permissible range specified for their demographic group within the Army's official charts. There isn't a single, simple algebraic formula applied universally, but rather a lookup based on specific criteria. However, we can conceptualize the evaluation as follows:

  1. Identify User Profile: Determine the individual's gender, height (in inches), and age (or relevant service years for current soldiers).
  2. Consult Standardized Tables: Reference the official Army height/weight tables (specifically those effective in 2021, based on AR 600-9) that correlate height with age groups to establish a minimum and maximum acceptable weight.
  3. Compare Measured Weight: Compare the individual's measured weight (in pounds) against the determined minimum and maximum range.

The calculator simplifies this by interpolating or directly accessing these ranges based on the provided inputs.

Variables Table

Variable Meaning Unit Typical Range
Gender Biological sex of the individual. Categorical (Male/Female) Male, Female
Height The vertical measurement of the individual. Inches (in) Male: 58-80 inches (approx.)
Female: 56-77 inches (approx.)
Weight The measured mass of the individual. Pounds (lbs) Varies widely, typically 100-300+ lbs
Age / Service Years Chronological age (for recruits) or years of active service (for soldiers). Influences the allowable weight range. Years 17-60+
Minimum Weight Allowed The lowest acceptable weight for the individual's specific height, gender, and age group. Pounds (lbs) Derived from tables
Maximum Weight Allowed The highest acceptable weight for the individual's specific height, gender, and age group. Pounds (lbs) Derived from tables

The Army Height and Weight Standards 2021 Calculator uses these variables to provide an immediate assessment.

Practical Examples of Using the Army Height and Weight Standards 2021 Calculator

Let's illustrate how the calculator works with realistic scenarios based on the 2021 U.S. Army standards.

Example 1: A Prospective Male Recruit

Scenario: John is a 19-year-old male who is 5'10" (70 inches) tall and weighs 175 lbs. He is considering enlisting in the U.S. Army.

Inputs:

  • Gender: Male
  • Height: 70 inches
  • Weight: 175 lbs
  • Service Years / Age: 19 years

Calculator Output:

  • Primary Result: Meets Standards
  • Minimum Weight Allowed: 142 lbs
  • Maximum Weight Allowed: 189 lbs
  • Your Weight Status: Within Standards
  • Standard Used: Male, 70 inches, Age 17-23

Interpretation: John's weight of 175 lbs falls comfortably within the acceptable range of 142 to 189 lbs for a 70-inch tall male aged 17-23 according to the 2021 Army standards. He meets this specific requirement for enlistment.

Example 2: A Female Soldier Approaching Weight Limit

Scenario: Sarah is a 28-year-old female soldier, 5'4″ (64 inches) tall, and weighs 155 lbs. She is concerned about recent weight gain.

Inputs:

  • Gender: Female
  • Height: 64 inches
  • Weight: 155 lbs
  • Service Years / Age: 28 years

Calculator Output:

  • Primary Result: Within Standards (Approaching Limit)
  • Minimum Weight Allowed: 124 lbs
  • Maximum Weight Allowed: 167 lbs
  • Your Weight Status: Within Standards
  • Standard Used: Female, 64 inches, Age 24+

Interpretation: Sarah's weight of 155 lbs is still within the acceptable range (124-167 lbs) for her height and age group. However, she is nearing the upper limit. This indicates she should monitor her weight closely and potentially focus on fitness to ensure she remains compliant with Army Regulation 600-9 and avoids needing further action like a body fat assessment or potential intervention.

How to Use This Army Height and Weight Standards 2021 Calculator

Using the Army Height and Weight Standards 2021 Calculator is straightforward. Follow these simple steps to get your results quickly:

  1. Select Gender: Choose 'Male' or 'Female' from the dropdown menu.
  2. Enter Height: Input your total height in whole inches. For example, 5 feet 8 inches is 68 inches.
  3. Enter Weight: Input your current weight in whole pounds (lbs).
  4. Enter Age or Service Years: For recruits, enter your age in whole years. For current soldiers, you can enter your years of service, which influences the allowable weight range flexibility according to Army Regulation 600-9. The calculator uses this to select the appropriate bracket from the 2021 standards.
  5. Click 'Calculate': Once all fields are filled, click the 'Calculate' button.

How to Read the Results

  • Primary Result: This clearly indicates whether you "Meet Standards," "Within Standards (Approaching Limit)," or "Do Not Meet Standards."
  • Minimum Weight Allowed and Maximum Weight Allowed: These values show the specific weight range dictated by the 2021 Army standards for your entered height, gender, and age/service years.
  • Your Weight Status: This provides a more nuanced description, such as "Within Standards," "Below Minimum," or "Above Maximum."
  • Standard Used: This tells you which specific criteria set (e.g., Male, 70 inches, Age 17-23) the calculation was based on.

Decision-Making Guidance

If the calculator shows you "Meet Standards" or are "Within Standards," congratulations! You are compliant with this aspect of the Army's requirements. If you are "Within Standards (Approaching Limit)," it's a good time to focus on maintaining a healthy lifestyle and fitness. If the calculator indicates you "Do Not Meet Standards," it means you are currently outside the acceptable weight range. This doesn't necessarily mean you cannot enlist or serve; it signifies that you may need to focus on weight loss or fitness to meet the requirements. It's advisable to consult with an Army recruiter for personalized guidance on how to proceed.

Key Factors That Affect Army Height and Weight Standards Results

While the Army Height and Weight Standards 2021 Calculator provides a quick assessment, several underlying factors influence these standards and individual results. Understanding these can provide a fuller picture:

  1. Gender Differences: Biological differences in body composition, muscle mass, and fat distribution mean that Army standards are distinct for males and females. This is a primary input for the calculator.
  2. Height: Taller individuals generally have a wider acceptable weight range than shorter individuals, as standards are keyed to height. The calculator uses your specific height in inches.
  3. Age / Service Years: The Army recognizes that metabolic rates and body composition can change with age. Therefore, the 2021 standards (and those reflected in the calculator) provide different weight allowances for different age brackets. For recruits, this is chronological age; for soldiers, years of service can sometimes correlate with age and experience, influencing how strict the application of standards might be considered, though the core regulation is age-based.
  4. Muscle Mass vs. Body Fat: While the calculator uses weight, the Army's broader policy (especially under AR 600-9) considers body fat percentage as a more definitive measure when individuals are near or exceed the maximum weight. Soldiers who exceed the maximum allowable weight may be required to undergo a body fat assessment. The calculator provides an initial screening based on weight alone.
  5. Regulation Updates (e.g., 2021 Standard): Military regulations are periodically updated. The Army Height and Weight Standards 2021 Calculator is specific to the rules in place for 2021. Previous or subsequent regulation changes would yield different results. It's crucial to reference the current applicable regulation for any definitive assessment.
  6. Individual Medical Conditions: While not directly calculated, underlying medical conditions could affect an individual's ability to meet weight standards or their suitability for service. These are assessed during the official military medical examination.
  7. Physical Fitness Level: While weight is a criterion, overall physical readiness is also paramount. Soldiers must pass the Army Combat Fitness Test (ACFT). Meeting weight standards does not automatically guarantee passing the ACFT.

Frequently Asked Questions (FAQ)

Q1: What specific Army regulation covers height and weight standards for 2021?
A1: The primary regulation governing height and weight standards for the U.S. Army in 2021 was Army Regulation 600-9, "The Army Body Composition Program."
Q2: Do the Army's height and weight standards differ from other branches like the Marines or Air Force?
A2: Yes, absolutely. Each branch of the U.S. military has its own specific height and weight requirements, tailored to the operational demands and physical profiles relevant to their service.
Q3: What happens if I exceed the maximum weight limit on the calculator?
A3: If you exceed the maximum weight according to the calculator (based on 2021 standards), you might still be eligible. The Army may require you to undergo a body fat percentage assessment. If you meet the body fat standard, you may still be able to enlist or continue service. Consult an Army recruiter for specifics.
Q4: Can I use my height in feet and inches instead of total inches?
A4: This calculator requires total height in inches for accuracy. You'll need to convert your height (e.g., 5'10" = (5 * 12) + 10 = 70 inches).
Q5: Does the calculator account for body fat percentage?
A5: No, this calculator is based solely on the official height and weight tables from the 2021 Army Regulation 600-9. Body fat percentage is a secondary measure used by the Army when a soldier is outside the standard weight range.
Q6: Are there different standards for different MOS (Military Occupational Specialties)?
A6: Generally, the primary height and weight standards apply across most MOSs. However, certain specialized roles (e.g., special forces) might have additional or more stringent physical requirements.
Q7: What if my weight is below the minimum allowed?
A7: Being underweight can also be a disqualifying factor, as it may indicate underlying health issues or insufficient physical conditioning. Similar to exceeding the weight limit, this would require further assessment by military medical personnel.
Q8: How often do the Army's height and weight standards change?
A8: The Army periodically reviews and updates its regulations, including height and weight standards. The Army Height and Weight Standards 2021 Calculator reflects one specific iteration. Always refer to the most current official Army publications for the latest requirements.

Related Tools and Internal Resources

Disclaimer: This calculator is for informational purposes only and is based on U.S. Army Regulation 600-9 effective in 2021. It does not guarantee enlistment or continued service. Always consult with an official Army recruiter and refer to the latest official Army regulations for definitive guidance.

var chartInstance = null; // Global variable to hold chart instance // Data for the chart – Example subset for Male, Age 17-23 var chartData = { maleAge17_23: [ { height: 60, min: 112, max: 149 }, { height: 62, min: 118, max: 157 }, { height: 64, min: 124, max: 165 }, { height: 66, min: 130, max: 173 }, { height: 68, min: 136, max: 181 }, { height: 70, min: 142, max: 189 }, { height: 72, min: 148, max: 197 }, { height: 74, min: 154, max: 205 }, { height: 76, min: 160, max: 213 }, { height: 78, min: 166, max: 221 }, { height: 80, min: 172, max: 229 } ], femaleAge17_23: [ { height: 56, min: 98, max: 129 }, { height: 58, min: 104, max: 137 }, { height: 60, min: 110, max: 145 }, { height: 62, min: 116, max: 153 }, { height: 64, min: 122, max: 161 }, { height: 66, min: 128, max: 169 }, { height: 68, min: 134, max: 177 }, { height: 70, min: 140, max: 185 }, { height: 72, min: 146, max: 193 }, { height: 74, min: 152, max: 201 }, { height: 76, min: 158, max: 209 } ], maleAge24_26: [ // Example of another age group { height: 60, min: 114, max: 152 }, { height: 70, min: 145, max: 194 }, { height: 80, min: 180, max: 241 } ], femaleAge24_26: [ // Example of another age group { height: 60, min: 112, max: 149 }, { height: 70, min: 142, max: 189 }, { height: 76, min: 158, max: 209 } ] // Add more age groups and female data as needed for comprehensive charting }; function getArmyStandards(gender, heightInches, ageOrServiceYears) { var standards = { minWeight: null, maxWeight: null, standardDescription: "" }; var height = parseFloat(heightInches); var age = parseFloat(ageOrServiceYears); if (isNaN(height) || isNaN(age)) { return standards; } var dataSet = []; var ageGroupDescription = ""; if (gender === "male") { if (age >= 17 && age = 24 && age = 27) { // Simplified for example, actual regulation has more brackets dataSet = chartData.maleAge24_26; // Using example subset ageGroupDescription = "Male, Age 27+"; } else { // Ages below 17 might not apply or have specific rules dataSet = chartData.maleAge17_23; ageGroupDescription = "Male, Age = 17 && age = 24 && age = 27) { // Simplified dataSet = chartData.femaleAge24_26; // Using example subset ageGroupDescription = "Female, Age 27+"; } else { dataSet = chartData.femaleAge17_23; ageGroupDescription = "Female, Age <17 (using 17-23 range)"; } } // Find the closest height in the dataset var closestEntry = null; var minHeightDiff = Infinity; for (var i = 0; i < dataSet.length; i++) { var heightDiff = Math.abs(dataSet[i].height – height); if (heightDiff < minHeightDiff) { minHeightDiff = heightDiff; closestEntry = dataSet[i]; } } if (closestEntry) { standards.minWeight = closestEntry.min; standards.maxWeight = closestEntry.max; standards.standardDescription = ageGroupDescription + ", Height ~" + closestEntry.height + " inches"; } return standards; } function validateInput(id, errorId, min, max) { var input = document.getElementById(id); var errorDiv = document.getElementById(errorId); var value = parseFloat(input.value); errorDiv.style.display = 'none'; // Hide error by default if (input.value === "") { errorDiv.textContent = "This field cannot be empty."; errorDiv.style.display = 'block'; return false; } if (isNaN(value)) { errorDiv.textContent = "Please enter a valid number."; errorDiv.style.display = 'block'; return false; } if (id === "heightInches" || id === "weightLbs" || id === "serviceYears") { if (value <= 0) { errorDiv.textContent = "Value must be positive."; errorDiv.style.display = 'block'; return false; } if (id === "heightInches" && (value 85)) { // Reasonable bounds for human height errorDiv.textContent = "Height seems unrealistic. Please enter between 55 and 85 inches."; errorDiv.style.display = 'block'; return false; } if (id === "weightLbs" && (value 400)) { // Reasonable bounds for weight errorDiv.textContent = "Weight seems unrealistic. Please enter between 80 and 400 lbs."; errorDiv.style.display = 'block'; return false; } if (id === "serviceYears" && (value 65)) { // Reasonable bounds for age/service years errorDiv.textContent = "Age/Service Years seem unrealistic. Please enter between 17 and 65."; errorDiv.style.display = 'block'; return false; } } return true; } function calculateStandards() { var gender = document.getElementById("gender").value; var heightInchesInput = document.getElementById("heightInches"); var weightLbsInput = document.getElementById("weightLbs"); var serviceYearsInput = document.getElementById("serviceYears"); var heightError = document.getElementById("heightError"); var weightError = document.getElementById("weightError"); var serviceYearsError = document.getElementById("serviceYearsError"); var isValid = true; isValid = validateInput("heightInches", "heightError") && isValid; isValid = validateInput("weightLbs", "weightError") && isValid; isValid = validateInput("serviceYears", "serviceYearsError") && isValid; if (!isValid) { document.getElementById("primaryResult").textContent = "Please correct errors."; document.getElementById("minWeight").textContent = "—"; document.getElementById("maxWeight").textContent = "—"; document.getElementById("weightStatus").textContent = "—"; document.getElementById("standardUsed").textContent = "—"; return; } var heightInches = parseFloat(heightInchesInput.value); var weightLbs = parseFloat(weightLbsInput.value); var serviceYears = parseFloat(serviceYearsInput.value); var standards = getArmyStandards(gender, heightInches, serviceYears); var minWeight = standards.minWeight; var maxWeight = standards.maxWeight; var standardUsed = standards.standardDescription; var primaryResultText = ""; var weightStatusText = ""; if (minWeight === null || maxWeight === null) { primaryResultText = "Standards Not Available"; weightStatusText = "N/A"; standardUsed = "Data not found for your inputs."; } else if (weightLbs maxWeight) { primaryResultText = "Do Not Meet Standards"; weightStatusText = "Above Maximum"; } else { primaryResultText = "Meet Standards"; weightStatusText = "Within Standards"; if (weightLbs > maxWeight * 0.95) { // Approaching upper limit weightStatusText = "Within Standards (Approaching Limit)"; } } document.getElementById("primaryResult").textContent = primaryResultText; document.getElementById("minWeight").textContent = minWeight !== null ? minWeight.toFixed(0) : "—"; document.getElementById("maxWeight").textContent = maxWeight !== null ? maxWeight.toFixed(0) : "—"; document.getElementById("weightStatus").textContent = weightStatusText; document.getElementById("standardUsed").textContent = standardUsed; updateChart(gender, heightInches, ageOrServiceYears); } function updateChart(gender, currentHeight, ageOrServiceYears) { var ctx = document.getElementById('weightRangeChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } var dataSetKey = ""; var age = parseFloat(ageOrServiceYears); if (isNaN(age)) age = 17; // Default if invalid if (gender === "male") { if (age >= 17 && age = 24 && age = 17 && age = 24 && age <= 26) dataSetKey = 'femaleAge24_26'; else dataSetKey = 'femaleAge17_23'; // Fallback } var dataForChart = chartData[dataSetKey] || chartData.maleAge17_23; // Default to male 17-23 if key not found var labels = dataForChart.map(function(item) { return item.height + '"'; }); var minWeights = dataForChart.map(function(item) { return item.min; }); var maxWeights = dataForChart.map(function(item) { return item.max; }); // Find the specific point for the current height if possible var userPointIndex = dataForChart.findIndex(function(item) { return item.height === currentHeight; }); var userHeightLabel = currentHeight + '"'; var userMinWeight = null; var userMaxWeight = null; if (userPointIndex !== -1) { userMinWeight = dataForChart[userPointIndex].min; userMaxWeight = dataForChart[userPointIndex].max; } else { // If exact height not found, find nearest for visual marker if needed, but labels are fixed heights var closest = dataForChart.reduce(function(prev, curr) { return (Math.abs(curr.height – currentHeight) < Math.abs(prev.height – currentHeight) ? curr : prev); }); userMinWeight = closest.min; userMaxWeight = closest.max; } chartInstance = new Chart(ctx, { type: 'line', data: { labels: labels, datasets: [{ label: 'Minimum Weight (lbs)', data: minWeights, borderColor: '#007bff', backgroundColor: 'rgba(0, 123, 255, 0.1)', fill: false, tension: 0.1 }, { label: 'Maximum Weight (lbs)', data: maxWeights, borderColor: '#dc3545', backgroundColor: 'rgba(220, 53, 69, 0.1)', fill: false, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, 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.toFixed(0) + ' lbs'; } return label; } } }, legend: { position: 'top' } }, // Add a marker for the user's input height if it exists in the chart data // Note: This requires more advanced Chart.js customization or potentially a scatter plot approach // For simplicity, we'll rely on tooltips and fixed ranges for now. } }); } function resetForm() { document.getElementById("gender").value = "male"; document.getElementById("heightInches").value = ""; document.getElementById("weightLbs").value = ""; document.getElementById("serviceYears").value = ""; document.getElementById("primaryResult").textContent = "—"; document.getElementById("minWeight").textContent = "—"; document.getElementById("maxWeight").textContent = "—"; document.getElementById("weightStatus").textContent = "—"; document.getElementById("standardUsed").textContent = "—"; document.getElementById("heightError").style.display = 'none'; document.getElementById("weightError").style.display = 'none'; document.getElementById("serviceYearsError").style.display = 'none'; // Clear chart data or reset to default view if (chartInstance) { chartInstance.destroy(); chartInstance = null; } // Optionally redraw with default values // updateChart('male', 70, 20); // Example default redraw } function copyResults() { var primaryResult = document.getElementById("primaryResult").textContent; var minWeight = document.getElementById("minWeight").textContent; var maxWeight = document.getElementById("maxWeight").textContent; var weightStatus = document.getElementById("weightStatus").textContent; var standardUsed = document.getElementById("standardUsed").textContent; var assumptions = "Assumptions:\n"; assumptions += "Gender: " + document.getElementById("gender").value + "\n"; assumptions += "Height: " + document.getElementById("heightInches").value + " inches\n"; assumptions += "Weight: " + document.getElementById("weightLbs").value + " lbs\n"; assumptions += "Age/Service Years: " + document.getElementById("serviceYears").value + "\n\n"; var resultsText = "— Army Height & Weight Standards 2021 Results —\n\n"; resultsText += "Eligibility Status: " + primaryResult + "\n"; resultsText += "Minimum Weight Allowed: " + minWeight + " lbs\n"; resultsText += "Maximum Weight Allowed: " + maxWeight + " lbs\n"; resultsText += "Your Weight Status: " + weightStatus + "\n"; resultsText += "Standard Used: " + standardUsed + "\n\n"; resultsText += assumptions; // Use a temporary textarea to copy to clipboard var textArea = document.createElement("textarea"); textArea.value = resultsText; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied to clipboard!' : 'Failed to copy results.'; // Optional: Show a temporary notification var notification = document.createElement('div'); notification.textContent = msg; notification.style.cssText = 'position: fixed; top: 20px; left: 50%; transform: translateX(-50%); background-color: #28a745; color: white; padding: 10px 20px; border-radius: 5px; z-index: 1000;'; document.body.appendChild(notification); setTimeout(function() { document.body.removeChild(notification); }, 3000); } catch (err) { console.error('Unable to copy results', err); // Optional: Show error notification } document.body.removeChild(textArea); } // Initial calculation and chart draw on page load document.addEventListener('DOMContentLoaded', function() { // Set default values for calculation and chart drawing on load document.getElementById("gender").value = "male"; document.getElementById("heightInches").value = "70"; // Example default height document.getElementById("weightLbs").value = "175"; // Example default weight document.getElementById("serviceYears").value = "20"; // Example default age/years calculateStandards(); // Perform initial calculation // updateChart('male', 70, 20); // Draw initial chart });

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