Weighted Blanket Calculator for Adults

Weighted Blanket Calculator for Adults – Find Your Perfect Weight body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8f9fa; color: #333; line-height: 1.6; margin: 0; padding: 20px; } .container { max-width: 960px; margin: 20px auto; background-color: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 74, 153, 0.1); } h1, h2, h3 { color: #004a99; text-align: center; margin-bottom: 20px; } h1 { font-size: 2.5em; } .sub-heading { font-size: 1.2em; color: #555; text-align: center; margin-bottom: 40px; } .calculator-section { background-color: #e7f3ff; padding: 25px; border-radius: 8px; margin-bottom: 30px; } .input-group { margin-bottom: 20px; text-align: left; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: #004a99; } .input-group input[type="number"], .input-group select { width: 100%; padding: 10px 12px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; font-size: 1em; } .input-group input[type="number"]:focus, .input-group select:focus { border-color: #004a99; outline: none; box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2); } .input-group .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; display: block; } .error-message { color: #dc3545; font-size: 0.85em; margin-top: 5px; display: block; min-height: 1.2em; } .button-group { text-align: center; margin-top: 30px; display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; } .button-group button { padding: 12px 25px; border: none; border-radius: 5px; font-size: 1.1em; font-weight: bold; cursor: pointer; transition: background-color 0.3s ease; } .btn-calculate { background-color: #004a99; color: white; } .btn-calculate:hover { background-color: #003a7a; } .btn-reset { background-color: #ffc107; color: #212529; } .btn-reset:hover { background-color: #e0a800; } .btn-copy { background-color: #6c757d; color: white; } .btn-copy:hover { background-color: #5a6268; } .results-section { background-color: #d4edda; padding: 25px; border-radius: 8px; margin-top: 30px; text-align: center; border: 1px solid #c3e6cb; } .results-section h3 { color: #155724; margin-top: 0; } .primary-result { font-size: 2.5em; font-weight: bold; color: #28a745; margin: 15px 0; display: inline-block; background-color: #ffffff; padding: 10px 20px; border-radius: 5px; box-shadow: 0 2px 5px rgba(40, 167, 69, 0.3); } .intermediate-results div { margin-bottom: 10px; font-size: 1.1em; } .intermediate-results strong { color: #004a99; } .formula-explanation { font-size: 0.9em; color: #555; margin-top: 15px; padding-top: 15px; border-top: 1px dashed #ccc; } table { width: 100%; border-collapse: collapse; margin-top: 20px; margin-bottom: 30px; } th, td { padding: 10px; text-align: left; border: 1px solid #ddd; } thead { background-color: #004a99; color: white; } tbody tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; font-weight: bold; color: #004a99; margin-bottom: 10px; text-align: left; } .chart-container { text-align: center; margin-top: 30px; } #weightedBlanketChart { max-width: 100%; height: auto; background-color: #fff; border: 1px solid #ccc; border-radius: 5px; } .article-section { margin-top: 40px; padding-top: 30px; border-top: 1px solid #eee; } .article-section h2 { text-align: left; color: #004a99; font-size: 1.8em; margin-bottom: 20px; } .article-section h3 { text-align: left; color: #0056b3; font-size: 1.4em; margin-top: 25px; margin-bottom: 15px; } .article-section p, .article-section ul, .article-section ol { margin-bottom: 20px; font-size: 1.05em; } .article-section li { margin-bottom: 10px; } .faq-question { font-weight: bold; color: #004a99; display: block; margin-bottom: 5px; } .related-links { list-style: none; padding: 0; } .related-links li { margin-bottom: 15px; } .related-links a { color: #004a99; text-decoration: none; font-weight: bold; } .related-links a:hover { text-decoration: underline; } .related-links span { font-size: 0.9em; color: #555; display: block; margin-top: 3px; } .highlight-result { background-color: #28a745; color: white; padding: 5px 10px; border-radius: 3px; font-weight: bold; }

Weighted Blanket Calculator for Adults

Determine the optimal weight for your weighted blanket to enhance sleep and reduce anxiety.

Calculate Your Ideal Weighted Blanket Weight

Enter your weight in pounds (lbs).
Standard Weighted Blanket Weighted Duvet Insert Choose the type of weighted blanket you are considering.
Improving Sleep Quality Reducing Anxiety/Stress General Comfort/Relaxation Select your main reason for using a weighted blanket.

Your Weighted Blanket Recommendation

Recommended Blanket Weight: lbs

Therapeutic Zone: lbs

Weight Adjustment Factor:

General Guideline:

The recommended blanket weight is typically around 7-12% of your body weight. We adjust this slightly based on blanket type and your primary usage intention. The therapeutic zone provides a range for personalized comfort.
Weighted Blanket Weight Comparison Table
Body Weight (lbs) Standard Blanket (7-10%) Duvet Insert (8-11%) Comfort Range (lbs)

Weighted Blanket Weight vs. Body Weight

What is a Weighted Blanket Calculator for Adults?

A weighted blanket calculator for adults is a specialized tool designed to help individuals determine the most appropriate weight for a weighted blanket based on their personal body weight. Unlike generic comfort items, weighted blankets utilize deep pressure stimulation (DPS), a therapeutic technique that involves applying firm but gentle pressure across the body. This pressure can mimic the feeling of being hugged or swaddled, promoting a sense of calm and security. For adults, finding the right weight is crucial for maximizing these benefits, which often include improved sleep quality, reduced anxiety, and a greater sense of relaxation. Misconceptions often surround their use, with some believing they are only for individuals with specific medical conditions, when in reality, many adults find them beneficial for everyday stress management and sleep enhancement. This weighted blanket calculator for adults removes the guesswork, providing a data-driven recommendation.

Weighted Blanket Calculator for Adults Formula and Mathematical Explanation

The core principle behind determining the right weighted blanket weight for adults relies on a simple yet effective percentage-based formula. The widely accepted guideline suggests that a weighted blanket should be approximately 7% to 12% of the user's body weight. This range ensures that the deep pressure stimulation is sufficient to be effective without being uncomfortably heavy or restrictive.

Our weighted blanket calculator for adults refines this by considering additional factors:

  1. Base Calculation: The foundational step involves calculating a target weight range based on the user's body weight.
    • Lower End: Body Weight (lbs) * 0.07
    • Upper End: Body Weight (lbs) * 0.12
  2. Blanket Type Adjustment: Different types of weighted blankets might offer a slightly different sensation or distribution of weight. A duvet insert, for example, might be perceived as slightly lighter due to its function within a cover. Thus, the percentage range can be subtly adjusted.
    • Standard: Uses the 7-12% range.
    • Duvet Insert: Might lean towards 8-11% to account for the cover.
  3. Usage Intention Adjustment: For individuals primarily seeking anxiety reduction or deeper sleep, leaning towards the higher end of the recommended percentage might be more beneficial. For general comfort, the mid-range is often sufficient.
    • Sleep/Anxiety: Favors the higher end of the calculated range (e.g., 10-12%).
    • Comfort: Favors the mid-range (e.g., 8-10%).

The calculator outputs a primary recommended weight (often the midpoint or slightly higher end based on intention) and a therapeutic zone, which is the calculated range (e.g., 7-12% of body weight). The 'Weight Adjustment Factor' represents the percentage applied to the body weight to derive the primary recommendation.

Variables and Typical Ranges

Weighted Blanket Calculator Variables
Variable Meaning Unit Typical Range
Body Weight The weight of the adult user. Pounds (lbs) 50 – 400 lbs
Blanket Type The specific design and intended use of the weighted blanket. Categorical Standard Weighted Blanket, Weighted Duvet Insert
Usage Intention The primary reason for using the weighted blanket. Categorical Improving Sleep Quality, Reducing Anxiety/Stress, General Comfort/Relaxation
Recommended Blanket Weight The calculated ideal weight for the weighted blanket. Pounds (lbs) Derived from Body Weight %
Therapeutic Zone The acceptable range of weight for the blanket, providing flexibility. Pounds (lbs) Approx. 7-12% of Body Weight
Weight Adjustment Factor The percentage of body weight used to calculate the primary recommendation. % 7% – 12%

Practical Examples (Real-World Use Cases)

Let's explore how the weighted blanket calculator for adults works with realistic scenarios:

Example 1: Sarah, Seeking Better Sleep

Sarah is an adult who struggles with falling asleep and staying asleep. She weighs 160 lbs and is looking for a standard weighted blanket to improve her sleep quality. She inputs her details into the weighted blanket calculator for adults:

  • Inputs: Body Weight = 160 lbs, Blanket Type = Standard Weighted Blanket, Usage Intention = Improving Sleep Quality.
  • Calculation:
    • Base Range: 160 lbs * 0.07 = 11.2 lbs to 160 lbs * 0.12 = 19.2 lbs.
    • Intention Adjustment: Since she wants better sleep, the calculator leans towards the higher end.
    • Recommended Weight Calculation: Let's say it uses 11% for sleep intention: 160 lbs * 0.11 = 17.6 lbs.
  • Outputs:
    • Recommended Blanket Weight: 17.6 lbs
    • Therapeutic Zone: 11.2 – 19.2 lbs
    • Weight Adjustment Factor: 11%
    • General Guideline: Aim for a blanket around 11-18 lbs.

Interpretation: The weighted blanket calculator for adults suggests Sarah should look for a standard weighted blanket weighing approximately 17.6 lbs. This falls comfortably within the 11.2 to 19.2 lbs therapeutic zone, with a slight emphasis on the higher end due to her sleep goals. She could consider blankets ranging from 15 lbs to 18 lbs for optimal results.

Example 2: Mark, Managing Anxiety

Mark experiences occasional anxiety, especially during stressful work periods. He weighs 210 lbs and is considering a weighted duvet insert for use on his bed. He uses the weighted blanket calculator for adults:

  • Inputs: Body Weight = 210 lbs, Blanket Type = Weighted Duvet Insert, Usage Intention = Reducing Anxiety/Stress.
  • Calculation:
    • Base Range: 210 lbs * 0.07 = 14.7 lbs to 210 lbs * 0.12 = 25.2 lbs.
    • Type Adjustment (Duvet): Might slightly shift range, e.g., 8-11%.
    • Intention Adjustment (Anxiety): Leans towards the higher end of the adjusted range.
    • Recommended Weight Calculation: Let's say it uses 10.5% for duvet/anxiety: 210 lbs * 0.105 = 22.05 lbs.
  • Outputs:
    • Recommended Blanket Weight: 22.1 lbs (rounded)
    • Therapeutic Zone: 16.8 – 23.1 lbs (based on 8-11% for duvet)
    • Weight Adjustment Factor: 10.5%
    • General Guideline: Aim for a blanket around 20-23 lbs.

Interpretation: For Mark, the weighted blanket calculator for adults recommends a weight of around 22.1 lbs for his duvet insert. This is within the calculated therapeutic zone of 16.8 to 23.1 lbs. He should focus on options between 20 lbs and 23 lbs, ensuring the weight feels comfortably grounding rather than overwhelming.

How to Use This Weighted Blanket Calculator for Adults

Using our weighted blanket calculator for adults is straightforward and designed to provide a quick, personalized recommendation. Follow these simple steps:

  1. Enter Your Body Weight: In the "Your Body Weight" field, input your current weight in pounds (lbs). Accuracy here is key, as the entire calculation is based on this number.
  2. Select Blanket Type: Choose the type of weighted blanket you are interested in from the "Blanket Type" dropdown menu. Options typically include "Standard Weighted Blanket" and "Weighted Duvet Insert." This helps tailor the recommendation slightly.
  3. Specify Usage Intention: Select the primary reason you intend to use the weighted blanket from the "Primary Usage Intention" dropdown. Whether it's for better sleep, anxiety relief, or general comfort, this influences the ideal weight.
  4. Click "Calculate": Once you have entered all the required information, click the "Calculate" button.
  5. Review Your Results: The calculator will instantly display:
    • Recommended Blanket Weight: This is the primary weight suggested, presented in a large, highlighted format.
    • Therapeutic Zone: This shows the general range (e.g., 7-12% of your body weight) within which weighted blankets are typically considered effective.
    • Weight Adjustment Factor: This indicates the specific percentage of your body weight used to determine the primary recommendation.
    • General Guideline: A simplified suggestion for the weight range to look for.
  6. Interpret the Findings: Your recommended weight should fall within the therapeutic zone. If the recommended weight is at the very top or bottom of the zone, you might consider a slightly lighter or heavier option based on personal preference. For instance, if 18 lbs is recommended and your zone is 15-20 lbs, a 17-19 lb blanket would likely be ideal.
  7. Use the Table and Chart: The comparison table provides broader weight recommendations across different body weights and blanket types, while the chart offers a visual representation of the relationship between body weight and recommended blanket weight.
  8. Reset or Copy: Use the "Reset" button to clear fields and start over with new information. The "Copy Results" button allows you to save the key recommendations and assumptions easily.

This weighted blanket calculator for adults aims to simplify your purchasing decision, ensuring you find a blanket that provides the most benefit.

Key Factors That Affect Weighted Blanket Results

While the core formula of the weighted blanket calculator for adults is based on body weight, several other factors can influence the perceived effectiveness and comfort of a weighted blanket:

  1. User Sensitivity: Not everyone responds to deep pressure stimulation in the same way. Some individuals may find a blanket at the calculated 10% weight perfectly calming, while others might prefer something slightly lighter (e.g., 7%) or heavier (e.g., 12%). Personal comfort and tolerance are paramount.
  2. Blanket Construction & Material: The way a weighted blanket is constructed significantly impacts its feel. Blankets with smaller quilted sections distribute weight more evenly than those with larger pockets. The materials used (e.g., cotton, minky, polyester) also affect breathability and texture, influencing overall comfort.
  3. Distribution of Weight: Some blankets have weights concentrated more towards the center, while others aim for uniform distribution. The feel can vary greatly. For instance, a duvet insert might feel different than a standalone blanket due to how the weight is contained within its cover.
  4. Climate and Room Temperature: Weighted blankets can trap heat. If you tend to sleep hot or live in a warm climate, the weight might feel more oppressive, especially if the blanket material isn't breathable. This might lead you to prefer a blanket closer to the lower end of the recommended range or opt for a lighter, more breathable material.
  5. Specific Sensory Needs: Individuals with certain sensory processing differences (e.g., Autism Spectrum Disorder, ADHD) may have unique requirements. While the general guideline is a good starting point, some may benefit from weights slightly outside the typical 7-12% range, often determined through trial and error or professional guidance.
  6. Physical Health Conditions: Certain health conditions, such as respiratory issues (asthma, COPD), circulatory problems, or claustrophobia, might necessitate caution or a different approach to weighted blanket use. It's always advisable to consult a healthcare professional before using a weighted blanket if you have pre-existing medical conditions. The calculator provides a general recommendation, not medical advice.
  7. Blanket Size: While weight is the primary factor, the size of the blanket relative to the user's body size can also play a role. A blanket that is too large might feel less focused, while one that is too small might not provide sufficient coverage. Most adult weighted blankets are designed to cover a twin or full-sized bed.

Understanding these factors can help refine the recommendation provided by the weighted blanket calculator for adults and ensure the best possible experience.

Frequently Asked Questions (FAQ)

What is the standard rule of thumb for weighted blanket weight?

The most common guideline for adults is to choose a weighted blanket that is approximately 7% to 12% of your body weight. Our calculator uses this principle.

Can a weighted blanket be too heavy?

Yes, a weighted blanket can be too heavy if it exceeds the recommended range (typically 12-15% of body weight). Excessive weight can feel restrictive, uncomfortable, or even pose safety risks for certain individuals. Always stay within or slightly above the lower end of the recommended range if unsure.

How do I choose between a weighted blanket and a weighted duvet insert?

A standard weighted blanket is used on its own, often placed over your regular bedding. A weighted duvet insert is designed to be placed inside a regular duvet cover, offering a more integrated feel and potentially easier washing. The calculator helps differentiate by slightly adjusting the recommendation percentage.

Is the 10% rule for weighted blankets always accurate?

The 10% rule is a popular starting point, but the optimal weight can vary. Our weighted blanket calculator for adults uses a range of 7-12% and adjusts based on usage intention to provide a more nuanced recommendation.

What if I'm on the borderline between two weights?

If you are on the borderline, consider your personal preference and the intended use. If you tend to sleep hot or prefer lighter bedding, opt for the lower weight. If you are seeking maximum therapeutic effect for anxiety or sleep issues and don't mind a heavier feel, choose the higher weight.

Can children use weighted blankets?

Yes, but with extreme caution. Children's weight recommendations are typically lower (around 5-10% of body weight) and require careful monitoring. Always consult a pediatrician or occupational therapist before giving a weighted blanket to a child. This calculator is specifically for adults.

Does the material of the weighted blanket matter for its weight?

The material affects the blanket's feel, breathability, and temperature regulation, but not the actual weight measurement itself. A 15lb cotton blanket will feel different from a 15lb minky blanket due to texture and heat retention, but both weigh 15lbs.

How often should I wash my weighted blanket?

Washing frequency depends on usage and manufacturer instructions. Many standard weighted blankets require spot cleaning or professional dry cleaning. Weighted duvet inserts are easier to maintain as you primarily wash the outer cover. Always check the care label.

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0.105 : 0.11; // 10.5% for duvet, 11% for standard } else if (usageIntention === 'comfort') { // Mid-range for comfort recommendedPercent = (blanketType === 'duvet') ? 0.095 : 0.10; // 9.5% for duvet, 10% for standard } weightAdjustmentFactor = (recommendedPercent * 100).toFixed(1) + '%'; var recommendedWeight = bodyWeight * recommendedPercent; var therapeuticMinWeight = bodyWeight * baseMinPercent; var therapeuticMaxWeight = bodyWeight * baseMaxPercent; document.getElementById('recommendedWeight').textContent = recommendedWeight.toFixed(1); document.getElementById('therapeuticZone').textContent = therapeuticMinWeight.toFixed(1) + ' – ' + therapeuticMaxWeight.toFixed(1) + ' lbs'; document.getElementById('weightAdjustmentFactor').textContent = weightAdjustmentFactor; document.getElementById('generalGuideline').textContent = 'Aim for a blanket between ' + therapeuticMinWeight.toFixed(0) + ' and ' + therapeuticMaxWeight.toFixed(0) + ' lbs.'; // Update Table updateWeightTable(bodyWeight); // Update Chart updateChart([bodyWeight], [recommendedWeight], [therapeuticMinWeight, therapeuticMaxWeight]); } function updateWeightTable(currentBodyWeight) { var tableBody = document.getElementById('weightComparisonTable').getElementsByTagName('tbody')[0]; tableBody.innerHTML = "; // Clear existing rows var weightsToSample = [100, 150, 200, 250, 300]; var weightsToShow = []; // Ensure currentBodyWeight is included if not already in sample if (!weightsToSample.includes(currentBodyWeight) && currentBodyWeight > 50 && currentBodyWeight < 400) { weightsToSample.push(currentBodyWeight); weightsToSample.sort(function(a, b){return a – b}); } weightsToSample.forEach(function(weight) { if (weight 400) return; // Skip out of range var standardMin = weight * 0.07; var standardMax = weight * 0.12; var duvetMin = weight * 0.08; var duvetMax = weight * 0.11; var comfortMin = Math.min(standardMin, duvetMin); var comfortMax = Math.max(standardMax, duvetMax); var row = tableBody.insertRow(); row.insertCell(0).textContent = weight + ' lbs'; row.insertCell(1).textContent = standardMin.toFixed(1) + ' – ' + standardMax.toFixed(1) + ' lbs'; row.insertCell(2).textContent = duvetMin.toFixed(1) + ' – ' + duvetMax.toFixed(1) + ' lbs'; row.insertCell(3).textContent = comfortMin.toFixed(0) + ' – ' + comfortMax.toFixed(0) + ' lbs'; }); } function updateChart(bodyWeights, recommendedWeights, therapeuticRanges) { var ctx = document.getElementById('weightedBlanketChart').getContext('2d'); // Destroy previous chart instance if it exists if (window.myWeightedBlanketChart instanceof Chart) { window.myWeightedBlanketChart.destroy(); } var bodyWeightInput = parseFloat(document.getElementById('bodyWeight').value); var recommendedWeightInput = parseFloat(document.getElementById('recommendedWeight').textContent); var therapeuticZoneText = document.getElementById('therapeuticZone').textContent; var therapeuticMin = parseFloat(therapeuticZoneText.split('-')[0]); var therapeuticMax = parseFloat(therapeuticZoneText.split('-')[1]); // Generate sample points for the trend lines var sampleBodyWeights = []; var sampleRecommendedWeights = []; var sampleTherapeuticMin = []; var sampleTherapeuticMax = []; // Create a range of body weights for the chart to show trend var chartMinBW = Math.max(50, bodyWeightInput – 100); var chartMaxBW = Math.min(400, bodyWeightInput + 100); for (var w = chartMinBW; w <= chartMaxBW; w += 10) { sampleBodyWeights.push(w); var bwType = document.getElementById('blanketType').value; var bwIntention = document.getElementById('usageIntention').value; var bwBaseMinP = 0.07, bwBaseMaxP = 0.12; var bwRecP = 0.10; if (bwType === 'duvet') { bwBaseMinP = 0.08; bwBaseMaxP = 0.11; } if (bwIntention === 'sleep' || bwIntention === 'anxiety') { bwRecP = (bwType === 'duvet') ? 0.105 : 0.11; } else if (bwIntention === 'comfort') { bwRecP = (bwType === 'duvet') ? 0.095 : 0.10; } sampleRecommendedWeights.push(w * bwRecP); sampleTherapeuticMin.push(w * bwBaseMinP); sampleTherapeuticMax.push(w * bwBaseMaxP); } window.myWeightedBlanketChart = new Chart(ctx, { type: 'line', data: { labels: sampleBodyWeights, datasets: [ { label: 'Recommended Weight', data: sampleRecommendedWeights, borderColor: '#28a745', backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: false, tension: 0.1, pointRadius: 3, pointBackgroundColor: '#28a745' }, { label: 'Therapeutic Zone (Min)', data: sampleTherapeuticMin, borderColor: '#004a99', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: '-1', // Fill to the previous dataset tension: 0.1, pointRadius: 0 }, { label: 'Therapeutic Zone (Max)', data: sampleTherapeuticMax, borderColor: '#004a99', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: '-1', // Fill to the previous dataset tension: 0.1, pointRadius: 0 } ] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Body Weight (lbs)' } }, y: { title: { display: true, text: 'Blanket Weight (lbs)' }, beginAtZero: true } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(1) + ' lbs'; } return label; } } }, legend: { position: 'top' } } } }); } function resetCalculator() { document.getElementById('bodyWeight').value = '150'; document.getElementById('blanketType').value = 'standard'; document.getElementById('usageIntention').value = 'sleep'; document.getElementById('bodyWeightError').textContent = ''; // Reset results display document.getElementById('recommendedWeight').textContent = '–'; document.getElementById('therapeuticZone').textContent = '–'; document.getElementById('weightAdjustmentFactor').textContent = '–'; document.getElementById('generalGuideline').textContent = '–'; // Clear table and chart var tableBody = document.getElementById('weightComparisonTable').getElementsByTagName('tbody')[0]; tableBody.innerHTML = ''; // Destroy previous chart instance if it exists if (window.myWeightedBlanketChart instanceof Chart) { window.myWeightedBlanketChart.destroy(); } // Optionally re-render a default chart state or keep it blank updateChart([0],[0],[0]); } function copyResults() { var recommendedWeight = document.getElementById('recommendedWeight').textContent; var therapeuticZone = document.getElementById('therapeuticZone').textContent; var weightAdjustmentFactor = document.getElementById('weightAdjustmentFactor').textContent; var generalGuideline = document.getElementById('generalGuideline').textContent; var bodyWeight = document.getElementById('bodyWeight').value; var blanketType = document.getElementById('blanketType').options[document.getElementById('blanketType').selectedIndex].text; var usageIntention = document.getElementById('usageIntention').options[document.getElementById('usageIntention').selectedIndex].text; var resultsText = "Weighted Blanket Recommendation:\n\n" + "Body Weight Used: " + bodyWeight + " lbs\n" + "Blanket Type: " + blanketType + "\n" + "Usage Intention: " + usageIntention + "\n\n" + "Recommended Blanket Weight: " + recommendedWeight + "\n" + "Therapeutic Zone: " + therapeuticZone + "\n" + "Weight Adjustment Factor: " + weightAdjustmentFactor + "\n" + "General Guideline: " + generalGuideline + "\n\n" + "Calculator Assumptions:\n" + "- Standard recommendation is 7-12% of body weight.\n" + "- Duvet inserts may use a slightly adjusted range (e.g., 8-11%).\n" + "- Sleep/Anxiety intention leans towards the higher end of the range.\n" + "- Comfort intention uses a mid-range recommendation."; try { navigator.clipboard.writeText(resultsText).then(function() { // Success feedback – you could add a temporary message here console.log('Results copied to clipboard!'); }, function(err) { // Fallback for browsers that don't support clipboard API console.error('Failed to copy results: ', err); alert('Failed to copy results. Please manually copy the text above.'); }); } catch (e) { console.error('Clipboard API not available or error occurred: ', e); alert('Failed to copy results. Your browser may not support this feature or an error occurred.'); } } // Initial calculation on page load with default values document.addEventListener('DOMContentLoaded', function() { calculateWeightedBlanket(); // Add Chart.js library dynamically var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js'; script.onload = function() { console.log('Chart.js loaded successfully.'); // Ensure initial calculation happens AFTER chart lib is loaded if chart update depends on it calculateWeightedBlanket(); }; script.onerror = function() { console.error('Failed to load Chart.js library.'); // Handle error – maybe disable chart or show a message }; document.head.appendChild(script); });

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