Army National Guard Weight Calculator – Recruiter's Guide
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Weight & Body Fat Standards Calculator
Your Enlistment Eligibility Status
—
Calculation based on AR 600-9 standards, which considers height, weight, age, gender, and body measurements.
Results copied to clipboard!
Army National Guard Body Fat Standards Chart
Comparison of your calculated Body Fat % against AR 600-9 maximums by Height and Age Group.
AR 600-9 Maximum Weight for Height Table
| Height (Inches) |
Max Weight (lbs) – Male |
Max Weight (lbs) – Female |
| Loading table data… |
Maximum allowable weight in pounds for different heights, per AR 600-9. Note: These are general guidelines; body fat percentage is the primary measure.
What is the Army National Guard Weight Calculator?
The Army National Guard weight calculator is a specialized online tool designed to help individuals determine if they meet the stringent body composition standards required for enlistment into the Army National Guard. Unlike simple BMI calculators, this tool incorporates the specific regulations set forth by the U.S. Army, primarily governed by AR 600-9, "The Army Body Composition Program." It takes into account not just height and weight, but also age, gender, and specific body measurements (like waist and neck circumference) to estimate body fat percentage and compare it against the maximum allowable limits. This Army National Guard weight calculator is an invaluable resource for potential recruits, recruiters, and anyone interested in military physical fitness standards.
Who Should Use This Army National Guard Weight Calculator?
- Aspiring Recruits: Individuals planning to enlist in the Army National Guard who want to proactively assess their physical eligibility and identify any potential issues related to weight or body fat.
- Army National Guard Recruiters: Professionals using the tool to quickly guide potential candidates and explain the enlistment requirements related to body composition.
- Fitness Enthusiasts: Individuals interested in understanding military physical standards and how their own measurements compare.
- Current Service Members: Those looking to re-familiarize themselves with the current standards or assist others.
Common Misconceptions About Army Weight Standards
- "It's just about weight." Many believe only the number on the scale matters. However, AR 600-9 emphasizes body fat percentage, recognizing that muscle mass can affect weight.
- "One size fits all." Standards vary slightly based on age and gender, and the calculation methods (e.g., circumference measurements vs. tape test) can differ.
- "Passing the tape test means you're good." While a crucial component, meeting the tape test standards is one part; overall physical fitness and potential future deployments also play roles.
- "Standards never change." Military regulations are periodically updated. While the core principles remain, specific percentages or measurement techniques might evolve. This Army National Guard weight calculator aims to reflect current general guidelines.
Army National Guard Weight Calculator Formula and Mathematical Explanation
The Army National Guard weight calculator primarily uses the methodology outlined in AR 600-9 to estimate body fat percentage (BFP). The process involves several steps, but the core estimation for BFP using circumference measurements is based on regression equations developed from military studies.
Core Calculation Steps:
- Height Conversion: Height is often converted from inches to meters for certain formulas.
- Weight Conversion: Weight is converted from pounds to kilograms.
- Body Fat Percentage Estimation: This is the most complex part. While the exact formulas can vary slightly based on the specific revision of AR 600-9 and research, a common approach uses measurements to estimate BFP. The general idea is that larger circumference measurements relative to height and gender indicate higher body fat.
- For Males: BFP is estimated using height (cm), neck circumference (cm), and waist circumference (cm).
- For Females: BFP is estimated using height (cm), neck circumference (cm), waist circumference (cm), and hip circumference (cm).
*Note: Direct formulas are often proprietary or complex regression models. The calculator provides an approximation based on accepted methods derived from AR 600-9 principles.
- Comparison to Standards: The calculated BFP is compared against the maximum allowable BFP for the individual's age group and gender.
- Height/Weight Screening: The calculator also checks if the individual's weight exceeds the maximum allowed for their height according to the standard AR 600-9 tables.
Variable Explanations
The Army National Guard weight calculator relies on several key inputs:
- Gender: Biological sex (Male/Female), which affects the body fat standards and calculation formulas.
- Age: Age in years. Slightly higher body fat percentages are sometimes permitted for older individuals.
- Height: Measured in inches (converted to cm for calculations). A fundamental factor in determining weight standards.
- Weight: Measured in pounds (converted to kg for calculations). Compared against height-specific maximums and used in BFP estimation.
- Waist Circumference: Measured in inches (converted to cm). A primary indicator of abdominal fat, strongly correlated with health risks and military standards.
- Neck Circumference: Measured in inches (converted to cm). Used in BFP estimation, particularly for males.
- Hip Circumference: Measured in inches (converted to cm). Used in BFP estimation specifically for females.
Variable Details Table
| Variable |
Meaning |
Unit |
Typical Range |
| Gender |
Biological Sex |
Categorical (Male/Female) |
Male, Female |
| Age |
Years of Age |
Years |
17 – 42 (for enlistment) |
| Height |
Stature |
Inches (converted to cm) |
55 – 80 inches (approx.) |
| Weight |
Body Mass |
Pounds (converted to kg) |
100 – 300 lbs (approx.) |
| Waist Circumference |
Abdominal Girth |
Inches (converted to cm) |
20 – 60 inches (approx.) |
| Neck Circumference |
Cervical Girth |
Inches (converted to cm) |
12 – 20 inches (approx.) |
| Hip Circumference |
Pelvic Girth (Females) |
Inches (converted to cm) |
25 – 55 inches (approx.) |
Key variables used in the Army National Guard weight calculator and their typical units and ranges.
Practical Examples (Real-World Use Cases)
Let's explore how the Army National Guard weight calculator works with realistic scenarios:
Example 1: A Young Male Applicant
- Scenario: John, a 20-year-old male, stands 5'11" (71 inches) tall and weighs 195 lbs. His waist measures 38 inches, and his neck measures 15 inches.
- Inputs:
- Gender: Male
- Age: 20
- Height: 71 inches
- Weight: 195 lbs
- Waist: 38 inches
- Neck: 15 inches
- Calculator Output:
- Estimated Body Fat %: 23%
- Max Weight for Height (5'11"): ~200 lbs
- Max Body Fat % (Male, Age 20-29): ~22%
- Eligibility Status: **Meets Height/Weight, Slightly Over Body Fat Limit**
- Interpretation: John meets the maximum weight for his height. However, his estimated body fat percentage (23%) slightly exceeds the typical maximum limit of 22% for his age group. He would likely need to focus on reducing body fat while maintaining muscle mass. This Army National Guard weight calculator provides clear feedback.
Example 2: A Female Applicant with Different Measurements
- Scenario: Sarah, a 28-year-old female, is 5'4″ (64 inches) tall and weighs 140 lbs. Her waist measures 32 inches, her hips measure 41 inches, and her neck measures 13 inches.
- Inputs:
- Gender: Female
- Age: 28
- Height: 64 inches
- Weight: 140 lbs
- Waist: 32 inches
- Neck: 13 inches
- Hip: 41 inches
- Calculator Output:
- Estimated Body Fat %: 27%
- Max Weight for Height (5'4″): ~135 lbs
- Max Body Fat % (Female, Age 20-29): ~30%
- Eligibility Status: **Meets Body Fat Limit, Slightly Over Max Weight**
- Interpretation: Sarah's weight (140 lbs) is slightly above the maximum allowable weight for her height (around 135 lbs). However, her estimated body fat percentage (27%) is below the maximum limit of 30% for her age group. In such cases, the Army may allow individuals to enlist if they meet the body fat standard, even if slightly over the height/weight chart. This highlights the importance of the body fat calculation provided by the Army National Guard weight calculator.
How to Use This Army National Guard Weight Calculator
Using the Army National Guard weight calculator is straightforward. Follow these steps for accurate results:
- Gather Your Measurements: Before starting, accurately measure your height, weight, age, gender, waist circumference (at the navel), neck circumference (below the larynx), and, if female, hip circumference (at the widest point). Ensure you use a reliable tape measure and scale.
- Select Gender and Enter Age: Choose your gender from the dropdown and enter your current age.
- Input Height: Enter your height in inches. For example, 5 feet 10 inches is entered as 70.
- Input Weight: Enter your current weight in pounds (lbs).
- Input Circumferences: Enter your waist, neck, and hip (if female) measurements in inches. Ensure you are measuring correctly according to military standards (AR 600-9 guidelines).
- Click "Calculate": Once all fields are filled, click the 'Calculate' button.
How to Read Results
- Eligibility Status: This is the primary output. It will indicate whether you meet the standards ("Meets Standards"), need to improve ("Needs Improvement"), or are slightly over in one area but meet another ("Meets Height/Weight, Over Body Fat Limit" or vice-versa).
- Estimated Body Fat %: Your calculated body fat percentage. Compare this to the maximum allowed for your age and gender.
- Max Weight for Height: The maximum weight allowed for your height, according to AR 600-9 tables.
- Max Body Fat %: The maximum acceptable body fat percentage for your age and gender.
- Chart and Table: The visual chart and table provide further context, comparing your measurements against the official standards.
Decision-Making Guidance
The Army National Guard weight calculator provides valuable data for decision-making:
- If you "Meet Standards": Congratulations! You are likely in a good position for enlistment regarding body composition. Continue maintaining your fitness.
- If you "Need Improvement": Don't be discouraged. Use the results to set realistic fitness goals. Focus on a combination of healthy eating and exercise to reduce body fat and/or weight. Consult with a recruiter for personalized advice.
- If you are borderline (e.g., over weight but under body fat): Understand that the Army often prioritizes the body fat standard. Discuss your specific situation with an Army National Guard recruiter. They can provide the most up-to-date guidance and potential waivers or timelines.
- Use the "Copy Results" button: Save or share your calculated data easily for discussion with recruiters or for personal tracking.
Remember, this tool is an estimate. Official measurements are taken during the enlistment process.
Key Factors That Affect Army National Guard Weight Calculator Results
Several factors influence the outcome of the Army National Guard weight calculator and the overall enlistment standards:
- Age: As individuals age, the maximum allowable body fat percentage typically increases slightly. This reflects natural physiological changes. The calculator adjusts for this difference based on standard military age brackets.
- Gender: Men and women have different body fat standards. Women naturally carry a higher essential body fat percentage due to reproductive functions. The calculation formulas and maximum thresholds are tailored accordingly.
- Height: Taller individuals generally have higher maximum weight allowances. The calculator uses height-specific tables derived from AR 600-9 to establish this baseline.
- Body Fat Percentage vs. Weight: This is crucial. AR 600-9 allows individuals to exceed the height/weight table maximums if they meet the body fat percentage standard. Muscle is denser than fat, so a muscular individual might weigh more but still be within body fat limits. The calculator estimates this, making it more nuanced than a simple weight check.
- Measurement Accuracy: Inaccurate measurements of height, weight, or circumferences will lead to incorrect results. It's vital to measure precisely as per AR 600-9 guidelines. Recruiters perform official measurements, but using accurate personal measurements helps gauge readiness.
- Underlying Health Conditions: While not directly calculated, certain medical conditions can affect an individual's ability to meet weight or fitness standards. These are assessed separately during the medical screening process. Ensure you disclose all relevant health information.
- Muscle Mass: High muscle mass can lead to exceeding the height/weight chart but still being within body fat limits. The calculator's body fat estimation is key here.
- Nutritional Habits and Exercise Regimen: These are the underlying factors driving your current measurements. Consistent healthy eating and regular exercise are fundamental to meeting and maintaining Army standards.
Frequently Asked Questions (FAQ)
What is AR 600-9?
AR 600-9, "The Army Body Composition Program," outlines the official standards and regulations for body fat assessment and management for all U.S. Army personnel, including the Army National Guard.
Do the Army National Guard weight standards differ from Active Duty Army?
Generally, the core standards (AR 600-9) are the same for Active Duty, Reserves, and the Army National Guard. However, state-specific recruiting initiatives or training requirements might sometimes add emphasis, but the fundamental enlistment criteria remain consistent.
Is body fat percentage or height/weight more important for enlistment?
The Army emphasizes meeting *either* the height/weight standard *or* the body fat percentage standard. If you exceed the maximum weight for your height but fall within the acceptable body fat percentage for your age and gender, you can still qualify. The calculator helps you assess both.
How are measurements taken during enlistment?
During the official enlistment process, trained personnel will take your height and weight. Body fat percentage is usually determined using circumference measurements (neck and waist for males; neck, waist, and hips for females) following strict guidelines outlined in AR 600-9.
What happens if I don't meet the standards initially?
If you don't meet the standards, a recruiter will typically advise you on what needs to be improved. You may be given a period to work on your fitness before reapplying or undergoing official measurements. Consult your recruiter for the best path forward.
Can I use this calculator for other branches of service?
This calculator is specifically tailored to U.S. Army National Guard standards (AR 600-9). Other military branches (Air Force, Navy, Marines, Coast Guard) have their own unique physical fitness and body composition standards, which may differ significantly.
Does muscle mass affect the calculation?
Yes, significantly. Muscle is denser than fat. While the height/weight table is a simple measure, the body fat percentage calculation using circumferences is a better indicator for individuals with higher muscle mass. Being muscular might put you over the height/weight limit but still within body fat standards.
How often are AR 600-9 standards updated?
AR 600-9 is periodically reviewed and updated by the U.S. Army. This Army National Guard weight calculator aims to reflect the most commonly cited general guidelines, but it's always best to confirm the very latest specifics with an official Army National Guard recruiter.
Related Tools and Internal Resources
var defaultValues = {
gender: "male",
age: 22,
heightInches: 70,
weightPounds: 180,
waistInches: 36,
neckInches: 15,
hipInches: 40
};
var maxWeightHeightData = [
{ height_in: 60, male_max_lbs: 128, female_max_lbs: 110 },
{ height_in: 61, male_max_lbs: 132, female_max_lbs: 113 },
{ height_in: 62, male_max_lbs: 136, female_max_lbs: 116 },
{ height_in: 63, male_max_lbs: 140, female_max_lbs: 119 },
{ height_in: 64, male_max_lbs: 144, female_max_lbs: 122 },
{ height_in: 65, male_max_lbs: 148, female_max_lbs: 125 },
{ height_in: 66, male_max_lbs: 152, female_max_lbs: 128 },
{ height_in: 67, male_max_lbs: 157, female_max_lbs: 132 },
{ height_in: 68, male_max_lbs: 161, female_max_lbs: 135 },
{ height_in: 69, male_max_lbs: 166, female_max_lbs: 139 },
{ height_in: 70, male_max_lbs: 170, female_max_lbs: 142 },
{ height_in: 71, male_max_lbs: 175, female_max_lbs: 146 },
{ height_in: 72, male_max_lbs: 180, female_max_lbs: 150 },
{ height_in: 73, male_max_lbs: 185, female_max_lbs: 154 },
{ height_in: 74, male_max_lbs: 189, female_max_lbs: 157 },
{ height_in: 75, male_max_lbs: 194, female_max_lbs: 161 },
{ height_in: 76, male_max_lbs: 199, female_max_lbs: 165 },
{ height_in: 77, male_max_lbs: 204, female_max_lbs: 169 },
{ height_in: 78, male_max_lbs: 209, female_max_lbs: 173 },
{ height_in: 79, male_max_lbs: 214, female_max_lbs: 177 },
{ height_in: 80, male_max_lbs: 219, female_max_lbs: 181 }
];
var maxBfpData = [
{ age_min: 17, age_max: 20, male_max_bfp: 20, female_max_bfp: 30 },
{ age_min: 21, age_max: 27, male_max_bfp: 20, female_max_bfp: 30 },
{ age_min: 28, age_max: 33, male_max_bfp: 22, female_max_bfp: 32 },
{ age_min: 34, age_max: 39, male_max_bfp: 24, female_max_bfp: 34 },
{ age_min: 40, age_max: 42, male_max_bfp: 26, female_max_bfp: 36 }
];
var chartInstance = null;
function getAgeGroup(age) {
for (var i = 0; i = maxBfpData[i].age_min && age <= maxBfpData[i].age_max) {
return maxBfpData[i];
}
}
return null; // Should not happen for ages 17-42
}
function getWeightAllowance(heightInches) {
for (var i = 0; i < maxWeightHeightData.length; i++) {
if (maxWeightHeightData[i].height_in == heightInches) {
return maxWeightHeightData[i];
}
}
return null;
}
function calculateBodyFat(gender, age, heightInches, weightPounds, waistInches, neckInches, hipInches) {
var heightCm = heightInches * 2.54;
var weightKg = weightPounds * 0.453592;
var waistCm = waistInches * 2.54;
var neckCm = neckInches * 2.54;
var hipCm = hipInches * 2.54;
var bfp = 0;
// Using simplified regression formulas based on common approximations of AR 600-9 methodology
if (gender === 'male') {
// Common approximation for males
bfp = 495 / (1.0324 – 0.19077 * (waistCm / heightCm) + 0.15456 * (neckCm / heightCm)) – 450;
} else { // female
// Common approximation for females
bfp = 495 / (1.29579 – 0.13717 * (waistCm / heightCm) – 0.04539 * (hipCm / heightCm) + 0.24770 * (neckCm / heightCm)) – 450;
}
// Ensure BFP is within a reasonable range and handle potential NaN/Infinity
if (isNaN(bfp) || !isFinite(bfp) || bfp 60) { // Cap at a high value to indicate likely error or extreme case
bfp = 60;
}
return parseFloat(bfp.toFixed(2));
}
function validateInput(id, value, min, max, isRequired = true) {
var errorElement = document.getElementById(id + "Error");
errorElement.textContent = ""; // Clear previous error
if (isRequired && (value === null || value === "")) {
errorElement.textContent = "This field is required.";
return false;
}
if (value !== "" && isNaN(parseFloat(value))) {
errorElement.textContent = "Please enter a valid number.";
return false;
}
if (value !== "" && parseFloat(value) max) {
errorElement.textContent = "Value cannot exceed " + max + ".";
return false;
}
return true;
}
function calculateWeightStandards() {
var gender = document.getElementById("gender").value;
var age = parseInt(document.getElementById("age").value);
var heightInches = parseInt(document.getElementById("heightInches").value);
var weightPounds = parseInt(document.getElementById("weightPounds").value);
var waistInches = parseInt(document.getElementById("waistInches").value);
var neckInches = parseInt(document.getElementById("neckInches").value);
var hipInches = parseInt(document.getElementById("hipInches").value);
// Clear all previous errors
document.getElementById("genderError").textContent = "";
document.getElementById("ageError").textContent = "";
document.getElementById("heightInchesError").textContent = "";
document.getElementById("weightPoundsError").textContent = "";
document.getElementById("waistInchesError").textContent = "";
document.getElementById("neckInchesError").textContent = "";
document.getElementById("hipInchesError").textContent = "";
// Basic validation
var isValid = true;
if (!validateInput("gender", gender, 0, 0, true)) isValid = false; // Gender is select, validation implicit
if (!validateInput("age", age, 17, 42)) isValid = false;
if (!validateInput("heightInches", heightInches, 36)) isValid = false; // Minimum height around 3ft
if (!validateInput("weightPounds", weightPounds, 50)) isValid = false; // Minimum realistic weight
if (!validateInput("waistInches", waistInches, 10)) isValid = false; // Minimum realistic waist
if (gender === 'male') {
if (!validateInput("neckInches", neckInches, 10)) isValid = false;
document.getElementById("hipCircumferenceGroup").style.display = 'none';
document.getElementById("hipInches").value = ""; // Clear hip value if male
document.getElementById("hipInchesError").textContent = "";
document.getElementById("hipInches").removeAttribute('aria-invalid'); // Reset ARIA attribute
} else { // female
if (!validateInput("neckInches", neckInches, 10)) isValid = false;
if (!validateInput("hipInches", hipInches, 20)) isValid = false; // Minimum realistic hip
document.getElementById("hipCircumferenceGroup").style.display = 'block';
}
if (!isValid) {
return; // Stop calculation if any input is invalid
}
// — Calculations —
var weightAllowance = getWeightAllowance(heightInches);
var maxWeightMale = weightAllowance ? weightAllowance.male_max_lbs : null;
var maxWeightFemale = weightAllowance ? weightAllowance.female_max_lbs : null;
var maxWeight = (gender === 'male') ? maxWeightMale : maxWeightFemale;
var ageGroup = getAgeGroup(age);
var maxBfp = ageGroup ? (gender === 'male' ? ageGroup.male_max_bfp : ageGroup.female_max_bfp) : null;
var bodyFatPercentage = calculateBodyFat(gender, age, heightInches, weightPounds, waistInches, neckInches, hipInches);
var eligibilityStatus = "";
var displayBfp = bodyFatPercentage + "%";
var displayMaxWeight = maxWeight !== null ? maxWeight + " lbs" : "–";
var displayMaxBfp = maxBfp !== null ? maxBfp + "%" : "–";
var meetsHeightWeight = maxWeight !== null && weightPounds <= maxWeight;
var meetsBfp = maxBfp !== null && bodyFatPercentage <= maxBfp;
if (meetsHeightWeight && meetsBfp) {
eligibilityStatus = "Meets Standards";
} else if (meetsHeightWeight && !meetsBfp) {
eligibilityStatus = "Needs Improvement (Body Fat)";
} else if (!meetsHeightWeight && meetsBfp) {
eligibilityStatus = "Needs Improvement (Weight)";
} else {
eligibilityStatus = "Needs Improvement (Both)";
}
// — Display Results —
document.getElementById("eligibilityStatus").textContent = eligibilityStatus;
document.getElementById("bodyFatPercentage").textContent = displayBfp;
document.getElementById("result").style.display = "block";
// Update chart data
updateChart(gender, age, heightInches, weightPounds, bodyFatPercentage, maxBfp);
// Update table data (if not already loaded)
populateWeightTable();
}
function updateChart(gender, age, heightInches, weightPounds, calculatedBfp, maxBfpAllowed) {
var ctx = document.getElementById('weightChart').getContext('2d');
// Sample data points for the chart – representative of different height/age combos
// In a real scenario, this would be more dynamic or pre-populated
var chartDataPoints = [
{ height: 62, ageMin: 17, ageMax: 20, maxBfp: 20, label: "5'2\" (Younger)" },
{ height: 62, ageMin: 40, ageMax: 42, maxBfp: 26, label: "5'2\" (Older)" },
{ height: 70, ageMin: 17, ageMax: 20, maxBfp: 20, label: "5'10\" (Younger)" },
{ height: 70, ageMin: 40, ageMax: 42, maxBfp: 26, label: "5'10\" (Older)" },
{ height: 76, ageMin: 17, ageMax: 20, maxBfp: 20, label: "6'4\" (Younger)" },
{ height: 76, ageMin: 40, ageMax: 42, maxBfp: 26, label: "6'4\" (Older)" }
];
var labels = [];
var userBfpData = [];
var standardMaxBfpData = [];
chartDataPoints.forEach(function(point) {
// Determine if this data point is relevant to the user's age group
var relevantMaxBfp = maxBfpAllowed; // Use user's calculated max BFP as baseline
// Find the correct max BFP for the specific height and age group if needed for comparison
// For simplicity, we'll use the user's current age group max BFP for the comparison line.
labels.push(point.label);
userBfpData.push(parseFloat(calculatedBfp.toFixed(2))); // User's BFP is constant across the chart for this session
standardMaxBfpData.push(parseFloat(relevantMaxBfp.toFixed(2))); // Max allowed BFP for user's age group
});
// Ensure user data is consistent across bars if multiple labels
var consistentUserBfp = calculatedBfp;
userBfpData = userBfpData.map(function() { return consistentUserBfp; });
if (chartInstance) {
chartInstance.destroy();
}
chartInstance = new Chart(ctx, {
type: 'bar', // Use bar chart for direct comparison
data: {
labels: labels,
datasets: [{
label: 'Your Estimated Body Fat %',
data: userBfpData,
backgroundColor: 'rgba(0, 74, 153, 0.7)', // Primary color
borderColor: 'rgba(0, 74, 153, 1)',
borderWidth: 1,
type: 'line', // Show user's BFP as a line
fill: false,
tension: 0,
pointRadius: 5
}, {
label: 'Max Allowed Body Fat %',
data: standardMaxBfpData,
backgroundColor: 'rgba(40, 167, 69, 0.7)', // Success color
borderColor: 'rgba(40, 167, 69, 1)',
borderWidth: 1
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
scales: {
y: {
beginAtZero: true,
max: 40, // Standard maximums usually don't exceed 36-40%
title: {
display: true,
text: 'Body Fat Percentage (%)'
}
},
x: {
title: {
display: true,
text: 'Height & Age Group Reference'
}
}
},
plugins: {
title: {
display: true,
text: 'Comparison Against Maximum Body Fat Standards'
},
tooltip: {
callbacks: {
label: function(context) {
var label = context.dataset.label || '';
if (label) {
label += ': ';
}
if (context.parsed.y !== null) {
label += context.parsed.y.toFixed(2) + '%';
}
return label;
}
}
}
}
}
});
}
function populateWeightTable() {
var tableBody = document.getElementById("weightTableBody");
tableBody.innerHTML = ""; // Clear existing rows
for (var i = 0; i < maxWeightHeightData.length; i++) {
var row = tableBody.insertRow();
var cellHeight = row.insertCell(0);
var cellMaleMax = row.insertCell(1);
var cellFemaleMax = row.insertCell(2);
cellHeight.textContent = maxWeightHeightData[i].height_in + " inches";
cellMaleMax.textContent = maxWeightHeightData[i].male_max_lbs + " lbs";
cellFemaleMax.textContent = maxWeightHeightData[i].female_max_lbs + " lbs";
}
}
function resetCalculator() {
document.getElementById("gender").value = defaultValues.gender;
document.getElementById("age").value = defaultValues.age;
document.getElementById("heightInches").value = defaultValues.heightInches;
document.getElementById("weightPounds").value = defaultValues.weightPounds;
document.getElementById("waistInches").value = defaultValues.waistInches;
document.getElementById("neckInches").value = defaultValues.neckInches;
document.getElementById("hipInches").value = defaultValues.hipInches;
// Reset display values and errors
document.getElementById("eligibilityStatus").textContent = "–";
document.getElementById("bodyFatPercentage").textContent = "–";
document.getElementById("result").style.display = "none";
document.getElementById("copyMessage").style.display = "none";
// Clear error messages
var errorElements = document.querySelectorAll('.error-message');
for (var i = 0; i < errorElements.length; i++) {
errorElements[i].textContent = "";
}
// Hide hip circumference group if reset to default male
if (defaultValues.gender === 'male') {
document.getElementById("hipCircumferenceGroup").style.display = 'none';
} else {
document.getElementById("hipCircumferenceGroup").style.display = 'block';
}
// Reset chart (optional, depends on desired behavior)
if (chartInstance) {
chartInstance.destroy();
chartInstance = null;
}
}
function copyResults() {
var eligibility = document.getElementById("eligibilityStatus").textContent;
var bfp = document.getElementById("bodyFatPercentage").textContent;
var maxWeight = document.getElementById("result").querySelector('.intermediate-results div:nth-child(3) strong') ? document.getElementById("result").querySelector('.intermediate-results div:nth-child(3) strong').textContent : '–';
var maxBfpText = document.getElementById("result").querySelector('.intermediate-results div:nth-child(2) strong') ? document.getElementById("result").querySelector('.intermediate-results div:nth-child(2) strong').textContent : '–'; // Assuming BFP is the second intermediate value
var gender = document.getElementById("gender").value;
var age = document.getElementById("age").value;
var height = document.getElementById("heightInches").value;
var weight = document.getElementById("weightPounds").value;
var waist = document.getElementById("waistInches").value;
var neck = document.getElementById("neckInches").value;
var hip = document.getElementById("hipInches").value;
var assumptions = "Key Assumptions:\n";
assumptions += "- Gender: " + (gender === 'male' ? 'Male' : 'Female') + "\n";
assumptions += "- Age: " + age + " years\n";
assumptions += "- Height: " + height + " inches\n";
assumptions += "- Weight: " + weight + " lbs\n";
assumptions += "- Waist Circumference: " + waist + " inches\n";
if (gender === 'male') {
assumptions += "- Neck Circumference: " + neck + " inches\n";
} else {
assumptions += "- Neck Circumference: " + neck + " inches\n";
assumptions += "- Hip Circumference: " + hip + " inches\n";
}
var resultsText = "Army National Guard Weight Calculator Results:\n\n";
resultsText += "Eligibility Status: " + eligibility + "\n";
resultsText += "Estimated Body Fat %: " + bfp + "\n";
resultsText += "Max Weight for Height: " + maxWeight + "\n";
resultsText += "Max Body Fat % Allowed: " + maxBfpText + "\n\n";
resultsText += assumptions;
navigator.clipboard.writeText(resultsText).then(function() {
var messageElement = document.getElementById("copyMessage");
messageElement.style.display = "block";
setTimeout(function() {
messageElement.style.display = "none";
}, 3000);
}).catch(function(err) {
console.error("Failed to copy results: ", err);
alert("Failed to copy results. Please copy manually.");
});
}
// Initialize calculator and table on page load
document.addEventListener('DOMContentLoaded', function() {
populateWeightTable();
// Set default values on load
resetCalculator();
// Trigger an initial calculation if defaults are set and valid
calculateWeightStandards();
// Add event listeners for inputs to update on change
var inputs = document.querySelectorAll('#calculatorForm input, #calculatorForm select');
for (var i = 0; i < inputs.length; i++) {
inputs[i].addEventListener('input', calculateWeightStandards);
inputs[i].addEventListener('change', calculateWeightStandards);
}
// FAQ Accordion functionality
var faqQuestions = document.querySelectorAll('.faq-question');
for (var i = 0; i < faqQuestions.length; i++) {
faqQuestions[i].addEventListener('click', function(e) {
var parent = e.target.closest('.faq-item');
parent.classList.toggle('open');
});
}
// Initial calculation after defaults are loaded
calculateWeightStandards();
});
// Load Chart.js library dynamically or ensure it's included in header if not inline
// For this example, assuming Chart.js is available globally. If not, it needs to be loaded.
// Example: in