Brochure Weight Calculator

Brochure Weight Calculator: Calculate Your Print Material's Weight & Cost body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8f9fa; color: #333; line-height: 1.6; margin: 0; padding: 0; display: flex; justify-content: center; padding-top: 20px; padding-bottom: 40px; } .container { max-width: 960px; width: 100%; background-color: #ffffff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); margin: 0 10px; } header { text-align: center; margin-bottom: 30px; border-bottom: 1px solid #eee; padding-bottom: 20px; } header h1 { color: #004a99; margin-bottom: 10px; } .loan-calc-container { background-color: #ffffff; padding: 25px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); margin-bottom: 30px; } .input-group { margin-bottom: 20px; text-align: left; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: #555; } .input-group input[type="number"], .input-group input[type="text"], .input-group select { width: calc(100% – 20px); padding: 12px; border: 1px solid #ccc; border-radius: 5px; font-size: 1rem; box-sizing: border-box; } .input-group select { appearance: none; background-image: url('data:image/svg+xml;charset=US-ASCII,'); background-repeat: no-repeat; background-position: right 10px center; background-size: 16px; } .input-group small { display: block; margin-top: 8px; color: #777; font-size: 0.9em; } .error-message { color: #dc3545; font-size: 0.85em; margin-top: 5px; display: none; /* Hidden by default */ } button { background-color: #004a99; color: white; border: none; padding: 12px 25px; border-radius: 5px; cursor: pointer; font-size: 1rem; margin-right: 10px; transition: background-color 0.3s ease; } button:hover { background-color: #003b7a; } button.secondary { background-color: #6c757d; } button.secondary:hover { background-color: #5a6268; } #result-section { margin-top: 30px; padding: 25px; border-radius: 8px; background-color: #e9ecef; border: 1px solid #dee2e6; } #result-section h2 { color: #004a99; margin-top: 0; text-align: center; } .primary-result { font-size: 2.2em; font-weight: bold; color: #28a745; text-align: center; margin-bottom: 20px; padding: 15px; background-color: #f0fff0; border: 1px solid #28a745; border-radius: 5px; } .intermediate-results div, .key-assumptions div { margin-bottom: 15px; padding: 10px; border-bottom: 1px dashed #ccc; display: flex; justify-content: space-between; font-size: 1.1em; } .intermediate-results div:last-child, .key-assumptions div:last-child { border-bottom: none; } .intermediate-results span:first-child, .key-assumptions span:first-child { font-weight: bold; color: #555; } .intermediate-results span:last-child, .key-assumptions span:last-child { color: #004a99; } #formula-explanation { margin-top: 20px; font-style: italic; color: #666; text-align: center; } .chart-container { text-align: center; margin-top: 30px; padding: 20px; background-color: #fdfdfd; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03); } .chart-container h3 { margin-top: 0; color: #004a99; margin-bottom: 15px; } canvas { max-width: 100%; height: auto !important; /* Ensure responsiveness */ } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { padding: 12px 15px; text-align: left; border-bottom: 1px solid #ddd; } th { background-color: #004a99; color: white; font-weight: bold; } tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; margin-bottom: 10px; color: #555; font-weight: bold; text-align: left; } section { margin-top: 40px; padding-top: 30px; border-top: 1px solid #eee; } section h2 { color: #004a99; margin-bottom: 20px; text-align: center; } h3 { color: #0056b3; margin-top: 25px; margin-bottom: 15px; } p, ul { margin-bottom: 15px; } ul { padding-left: 20px; } li { margin-bottom: 8px; } .faq-list dt { font-weight: bold; color: #004a99; margin-top: 15px; margin-bottom: 5px; } .faq-list dd { margin-left: 20px; margin-bottom: 10px; } .related-links ul { list-style: none; padding: 0; } .related-links li { margin-bottom: 12px; } .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: #666; display: block; margin-top: 3px; } .highlight { background-color: #fff3cd; padding: 2px 5px; border-radius: 3px; } strong { color: #004a99; }

Brochure Weight Calculator

Calculate the estimated weight and cost of mailing your brochures accurately.

Grams per square meter (e.g., 80, 120, 150)
A4 (210mm x 297mm) Letter (8.5in x 11in) A5 (148mm x 210mm) DL (99mm x 210mm) Select the standard paper size of your brochure.
Enter width in millimeters (mm).
Enter height in millimeters (mm).
Total pages in the brochure (e.g., 4, 8, 12).
How many brochures are needed to reach 1 kg? (e.g., 100, 200, 500)
The cost to mail 1 kilogram of material.

Your Brochure Weight & Cost Analysis

Weight per Brochure:
Total Weight (Calculated Batch):
Estimated Mailing Cost (Batch):

Key Assumptions

Paper GSM:
Number of Pages:
Mailing Rate:
The total weight is calculated based on paper GSM, paper area, and the number of pages. This is then used to estimate mailing costs.

Weight Distribution per Page

Chart showing the approximate weight contribution of each page across a batch of brochures.
Brochure Weight Breakdown
Metric Value
Paper Weight (GSM)
Brochure Dimensions (W x H)
Area per Sheet (sq m)
Weight per Sheet (grams)
Total Weight per Brochure (grams)
Estimated Brochures per Kg
Calculated Batch Size
Estimated Batch Weight (Kg)
Estimated Mailing Cost (Batch)

What is Brochure Weight Calculation?

Brochure weight calculation is the process of determining the total mass of your printed marketing materials, typically for purposes of estimating postage costs, understanding shipping requirements, or evaluating the overall material usage in a print run. Understanding the precise weight of your brochures is crucial for businesses aiming to manage their direct mail campaigns efficiently. It allows for accurate budgeting, prevents unexpected postal surcharges, and helps in selecting the most cost-effective mailing solutions. This calculation is a fundamental step in the brochure weight calculator process for any organization sending out physical promotional materials.

Anyone involved in printing and distributing marketing collateral can benefit from using a brochure weight calculator. This includes marketing managers, print buyers, small business owners, event organizers, and even individuals planning large-scale mailings. It's particularly useful when comparing different paper stocks or print quantities, as these variables significantly impact the final weight.

A common misconception is that all brochures of the same size weigh the same. This is incorrect, as the weight of the paper (measured in GSM – Grams per Square Meter) and the number of pages are primary determinants. Another myth is that weight calculation is overly complex; however, with a reliable brochure weight calculator, the process becomes straightforward and accessible.

Brochure Weight Calculator Formula and Mathematical Explanation

The core of the brochure weight calculator lies in a series of calculations that begin with the paper's properties and the brochure's dimensions.

Step-by-Step Derivation:

  1. Calculate Paper Area per Sheet: The area of a single sheet of paper is determined by its width and height. For standard sizes like A4 or Letter, these are fixed. For custom sizes, it's simply Width x Height. The result is converted to square meters.
  2. Calculate Weight per Square Meter (GSM): This is a direct input, representing grams per square meter.
  3. Calculate Weight per Sheet: Multiply the paper area (in square meters) by the GSM to find the weight of one side of a sheet in grams. Since brochures are typically printed on both sides, we often consider the weight per leaf (2 sides) or use the number of pages directly.
  4. Calculate Total Weight per Brochure: Multiply the weight per sheet (or per page if accounting for both sides individually) by the total number of pages in the brochure. If calculating per sheet and a brochure has multiple sheets, this step would be adjusted. For simplicity in many calculators, we calculate the weight of paper needed for one page and multiply by the total pages.
  5. Calculate Estimated Weight per Kilogram: This is an input that helps contextualize the per-brochure weight.
  6. Calculate Weight per Batch: Using the brochures per kilogram input, we can estimate how many kilograms a certain number of brochures will weigh. A common batch size is often assumed or can be calculated.
  7. Calculate Mailing Cost: Multiply the total weight (in kilograms) of the batch by the cost per kilogram for mailing.

Variable Explanations:

  • Paper Weight (GSM): The density of the paper, indicating how heavy one square meter of that paper is. Higher GSM means heavier, thicker paper.
  • Brochure Dimensions (Width & Height): The physical size of the paper used for the brochure.
  • Number of Pages: The total count of individual sides printed in the brochure.
  • Brochures per Kilogram: An estimation used to quickly assess how many brochures make up a kilogram, useful for quick weight checks.
  • Mailing Cost per Kilogram: The rate charged by a postal service or courier for delivering materials based on their weight.

Variables Table:

Brochure Weight Calculator Variables
Variable Meaning Unit Typical Range
Paper Weight (GSM) Grams per square meter of paper g/m² 70 – 300
Brochure Dimensions Width and Height of the brochure paper mm (or inches) Varies (e.g., 210×297 mm for A4)
Number of Pages Total sides printed Count 2 – 100+
Brochures per Kilogram How many brochures make 1 kg Count/kg 10 – 1000
Mailing Cost per Kilogram Cost to mail 1 kg via postal service $ / kg 1 – 20+

Practical Examples (Real-World Use Cases)

Example 1: Standard A4 Brochure for a Local Business

A small bakery wants to distribute flyers about a new product line. They decide on a standard A4 size, printed on 120 GSM paper, with 4 pages (meaning 2 sheets of paper folded).

  • Inputs:
  • Paper Weight (GSM): 120
  • Paper Size: A4 (210mm x 297mm)
  • Brochure Width: 210 mm
  • Brochure Height: 297 mm
  • Number of Pages: 4
  • Brochures per Kilogram: 150 (estimated)
  • Mailing Cost per Kilogram: $4.50

Calculation using the calculator:

  • Weight per Brochure: ~30.24 grams
  • Total Weight (Calculated Batch – assuming 150 brochures): ~4.54 kg
  • Estimated Mailing Cost (Batch): $20.43

Interpretation: This business can print approximately 150 brochures before hitting the 1kg mark. Mailing this batch would cost around $20.43. If they plan to mail 1000 brochures, they'll need about 6.67 kg of material, costing roughly $30.02 in postage.

Example 2: High-Quality Glossy Brochure for a Real Estate Agency

A real estate agency is creating a premium brochure for a luxury property. They opt for thicker, glossy paper (250 GSM) and a substantial 12-page booklet.

  • Inputs:
  • Paper Weight (GSM): 250
  • Paper Size: Letter (8.5in x 11in, converted to approx. 216mm x 279mm for consistency)
  • Brochure Width: 216 mm
  • Brochure Height: 279 mm
  • Number of Pages: 12
  • Brochures per Kilogram: 60 (estimated)
  • Mailing Cost per Kilogram: $6.00

Calculation using the calculator:

  • Weight per Brochure: ~181.44 grams
  • Total Weight (Calculated Batch – assuming 60 brochures): ~10.89 kg
  • Estimated Mailing Cost (Batch): $65.34

Interpretation: Due to the heavier paper and more pages, each brochure is significantly heavier (~181g). This means only about 60 brochures make up a kilogram. Mailing this batch of 60 brochures would cost approximately $65.34. This highlights how paper choice and page count dramatically influence mailing expenses, justifying the need for a precise brochure weight calculator.

How to Use This Brochure Weight Calculator

Our user-friendly brochure weight calculator is designed for simplicity and accuracy. Follow these steps to get your results:

  1. Enter Paper Details: Input the 'Paper Weight (GSM)' and select the 'Paper Size' that matches your brochure's specifications.
  2. Specify Brochure Dimensions: Accurately enter the 'Brochure Width' and 'Brochure Height' in millimeters (mm).
  3. Input Page Count: Enter the total 'Number of Pages' in your brochure. Remember, a single sheet printed on both sides counts as two pages.
  4. Estimate Brochures per Kilogram: Provide an estimate for 'Brochures per Kilogram'. If unsure, you can often get this information from your printer or estimate based on similar materials.
  5. Enter Mailing Cost: Input the 'Mailing Cost per Kilogram' ($) as charged by your chosen postal service or courier.
  6. Click 'Calculate Weight': Once all fields are populated, click the button.

Reading Your Results:

  • Primary Result (Highlighted): This shows the estimated weight of a single brochure in grams, often the most direct piece of information needed.
  • Intermediate Values: These provide additional context, such as the estimated weight of a batch of brochures (based on your 'Brochures per Kilogram' input) and the associated mailing cost for that batch.
  • Key Assumptions: This section reiterates the main inputs used in the calculation, allowing you to quickly verify the parameters.
  • Chart and Table: The chart visually represents how weight might distribute (though simplified here to show per-page contribution if applicable), and the table offers a detailed breakdown of all calculated metrics.

Decision-Making Guidance:

Use the results to make informed decisions about your print projects. If the calculated weight per brochure is higher than expected, consider options like lighter paper stock or reducing the number of pages. Compare the estimated mailing costs against your budget. If postage is a significant concern, you might explore alternative marketing channels or negotiate bulk mailing rates. This tool helps you quantify these factors, making your planning more robust.

Key Factors That Affect Brochure Weight Results

Several variables significantly influence the final weight of your brochures and, consequently, the mailing costs. Understanding these factors is key to optimizing your print projects:

  1. Paper Weight (GSM): This is perhaps the most impactful factor. Higher GSM paper is denser and thicker, leading to heavier brochures. A jump from 80 GSM to 150 GSM paper can nearly double the weight per brochure. When comparing print quotes, always note the GSM used.
  2. Number of Pages: More pages mean more paper, directly increasing the brochure's weight. A 20-page booklet will naturally weigh more than a 4-page flyer using the same paper stock.
  3. Paper Size and Dimensions: Larger paper sizes (e.g., A3 vs A5) naturally require more material per page, increasing weight. Even slight differences in width and height can add up over a large print run.
  4. Paper Type and Finish: Beyond GSM, the composition of the paper matters. Coated papers (like gloss or silk) often have a slightly different density than uncoated papers. Recycled papers might also vary. Some finishes, like laminations, add a small amount of weight.
  5. Brochure Format (e.g., Folding): While this calculator primarily focuses on flat sheets and page count, the method of binding or folding can add negligible weight (e.g., staples) or affect how the material is perceived. However, the paper itself is the dominant factor.
  6. Inks and Coatings: While the ink coverage is usually minimal compared to the paper's weight, extensive use of heavy inks or specific varnishes on a brochure could add a minuscule amount of weight. This is generally considered negligible in standard calculations.
  7. Mailing Density and Rates: The 'Mailing Cost per Kilogram' is a critical factor in the final *cost* outcome. Different postal services have different pricing structures. Prices can also vary based on destination, speed of delivery, and whether it's standard mail or a tracked service. This directly impacts the financial interpretation of the brochure weight calculator results.

Frequently Asked Questions (FAQ)

What is GSM?
GSM stands for Grams per Square Meter. It's the standard unit for measuring paper weight and density. A higher GSM value indicates a heavier and typically thicker paper.
Does the calculator account for different paper finishes (glossy, matte)?
The calculator primarily uses GSM as the measure of paper weight. While different finishes might have slight variations in density, the GSM is the most significant factor. For most practical purposes, using the correct GSM for your chosen finish is sufficient.
How accurate is the "Brochures per Kilogram" estimate?
This is an estimate. The actual number can vary slightly based on precise paper density, humidity, and the exact dimensions. It's best to get this figure from your printer for maximum accuracy.
What if my brochure is a custom size?
If your brochure is a custom size, you can still use the calculator. Enter the exact width and height of your brochure page in millimeters (mm) into the respective fields.
Should I count folded sheets as one page or two?
For this calculator, 'Number of Pages' refers to the total number of printable sides. A single sheet printed on both sides is 2 pages. A brochure made of 2 sheets, each printed on both sides (totaling 4 printable sides), would be 4 pages.
Can I use this calculator for postcards or business cards?
Yes, you can adapt this calculator. For postcards or business cards, you would enter their specific dimensions, GSM, and treat them as a 1-page or 2-page item (depending on whether they are single or double-sided).
What's a typical mailing cost per kg?
Mailing costs vary widely by country, postal service, and service level (e.g., standard vs. express). In the US, standard bulk mail rates might range from $2-$10 per kg, while international or express services can be significantly higher. The calculator uses your provided rate.
How can I reduce my brochure mailing costs?
To reduce mailing costs, consider using lighter-weight paper (lower GSM), reducing the number of pages, optimizing the brochure size, printing in larger quantities to potentially get lower per-piece costs, and comparing rates between different postal carriers or mailing services.

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'block' : 'none'; } } function clearErrors() { setErrorMessage('paperGsm', "); setErrorMessage('paperSize', "); setErrorMessage('brochureDimensionsW', "); setErrorMessage('brochureDimensionsH', "); setErrorMessage('numPages', "); setErrorMessage('brochuresPerKg', "); setErrorMessage('mailingCostPerKg', "); } function getPaperDimensions(size) { var dimensions = { width: 0, height: 0 }; switch (size) { case 'A4': dimensions.width = 210; dimensions.height = 297; break; case 'Letter': dimensions.width = 8.5 * 25.4; // Convert inches to mm dimensions.height = 11 * 25.4; // Convert inches to mm break; case 'A5': dimensions.width = 148; dimensions.height = 210; break; case 'DL': dimensions.width = 99; dimensions.height = 210; break; default: dimensions.width = 210; // Default to A4 if unknown dimensions.height = 297; break; } return dimensions; } function calculateWeight() { clearErrors(); var isValid = true; var paperGsm = getInputValue('paperGsm'); if (paperGsm === null || paperGsm <= 0) { setErrorMessage('paperGsm', 'Please enter a valid paper weight (GSM) greater than 0.'); isValid = false; } var paperSizeSelected = document.getElementById('paperSize').value; var brochureDimensionsW = getInputValue('brochureDimensionsW'); var brochureDimensionsH = getInputValue('brochureDimensionsH'); if (brochureDimensionsW === null || brochureDimensionsW <= 0) { setErrorMessage('brochureDimensionsW', 'Please enter a valid brochure width greater than 0.'); isValid = false; } if (brochureDimensionsH === null || brochureDimensionsH 0 ? brochureDimensionsW : getPaperDimensions(paperSizeSelected).width; var actualHeight = brochureDimensionsH !== null && brochureDimensionsH > 0 ? brochureDimensionsH : getPaperDimensions(paperSizeSelected).height; if (actualWidth <= 0 || actualHeight <= 0) { setErrorMessage('paperSize', 'Could not determine paper dimensions.'); isValid = false; } var numPages = getInputValue('numPages'); if (numPages === null || numPages <= 0) { setErrorMessage('numPages', 'Please enter a valid number of pages greater than 0.'); isValid = false; } var brochuresPerKg = getInputValue('brochuresPerKg'); if (brochuresPerKg === null || brochuresPerKg <= 0) { setErrorMessage('brochuresPerKg', 'Please enter a valid number of brochures per kg greater than 0.'); isValid = false; } var mailingCostPerKg = getInputValue('mailingCostPerKg'); if (mailingCostPerKg === null || mailingCostPerKg < 0) { setErrorMessage('mailingCostPerKg', 'Please enter a valid mailing cost per kg (0 or greater).'); isValid = false; } if (!isValid) { updateResults("—", "—", "—", "—", "—", "—", "—", "—", "—", "—", "—", "—", "—"); return; } // Constants and conversions var MM_TO_M = 0.001; var GRAMS_TO_KG = 1000; // Calculations var paperAreaSqM = (actualWidth * MM_TO_M) * (actualHeight * MM_TO_M); var weightPerSqM = paperGsm; // in grams var weightPerSheetSide = paperAreaSqM * weightPerSqM; // in grams var totalWeightPerBrochureGrams = weightPerSheetSide * numPages; var totalWeightPerBrochureKg = totalWeightPerBrochureGrams / GRAMS_TO_KG; var estimatedBatchSize = brochuresPerKg; // We use this as the reference batch size for weight calculation var estimatedBatchWeightKg = totalWeightPerBrochureGrams * estimatedBatchSize / GRAMS_TO_KG; var estimatedMailingCostBatch = estimatedBatchWeightKg * mailingCostPerKg; // Update results display var formattedWeightPerBrochure = totalWeightPerBrochureGrams.toFixed(2) + ' g'; var formattedBatchWeight = estimatedBatchWeightKg.toFixed(2) + ' kg'; var formattedBatchCost = '$' + estimatedMailingCostBatch.toFixed(2); updateResults( formattedWeightPerBrochure, formattedBatchWeight, formattedBatchCost, paperGsm.toFixed(0), numPages.toFixed(0), '$' + mailingCostPerKg.toFixed(2) + '/kg', paperAreaSqM.toFixed(5), // For table weightPerSheetSide.toFixed(2), // For table totalWeightPerBrochureGrams.toFixed(2), // For table brochuresPerKg.toFixed(0), // For table estimatedBatchSize.toFixed(0), // For table estimatedBatchWeightKg.toFixed(2), // For table formattedBatchCost // For table ); updateChart(totalWeightPerBrochureGrams, numPages); } function updateResults(primaryResult, batchWeight, batchCost, assumptionGsm, assumptionPages, assumptionMailingRate, sheetArea, sheetWeight, brochureWeightGrams, brochuresPerKgTable, batchSizeTable, batchWeightTableKg, batchCostTable) { document.getElementById('primary-result').innerText = primaryResult; document.getElementById('result-total-weight-kg').children[1].innerText = batchWeight; document.getElementById('result-batch-cost').children[1].innerText = batchCost; document.getElementById('assumption-paper-gsm').children[1].innerText = assumptionGsm + ' GSM'; document.getElementById('assumption-page-count').children[1].innerText = assumptionPages + ' Pages'; document.getElementById('assumption-mailing-rate').children[1].innerText = assumptionMailingRate; // Update table document.getElementById('table-paper-gsm').innerText = assumptionGsm + ' GSM'; document.getElementById('table-dimensions').innerText = document.getElementById('brochureDimensionsW').value + 'mm x ' + document.getElementById('brochureDimensionsH').value + 'mm'; document.getElementById('table-sheet-area').innerText = sheetArea + ' m²'; document.getElementById('table-sheet-weight').innerText = sheetWeight + ' g'; document.getElementById('table-brochure-weight').innerText = brochureWeightGrams + ' g'; document.getElementById('table-brochures-per-kg').innerText = brochuresPerKgTable; document.getElementById('table-batch-size').innerText = batchSizeTable; // This is the assumed batch size for weight calculation document.getElementById('table-batch-weight').innerText = batchWeightTableKg + ' kg'; document.getElementById('table-batch-cost').innerText = batchCostTable; } function updateChart(weightPerBrochureGrams, numPages) { var ctx = document.getElementById('weightDistributionChart').getContext('2d'); var maxPagesForChart = 20; // Limit for chart clarity var effectivePages = Math.min(numPages, maxPagesForChart); var pageWeights = []; var pageLabels = []; var weightPerPage = weightPerBrochureGrams / numPages; // Approximate weight per page side for (var i = 1; i maxPagesForChart) { pageLabels.push('…'); pageWeights.push(0); // Placeholder for aggregation visually } var totalWeight = weightPerBrochureGrams; var chartData = { labels: pageLabels, datasets: [{ label: 'Weight Contribution (grams)', data: pageWeights, backgroundColor: 'rgba(0, 74, 153, 0.6)', borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1 }, { label: 'Total Brochure Weight (grams)', data: Array(effectivePages).fill(totalWeight), // This dataset is just for visual reference of total weight line type: 'line', // Make it a line fill: false, borderColor: 'rgba(40, 167, 69, 0.8)', pointRadius: 0, borderWidth: 2, tension: 0.1 }] }; if (numPages > maxPagesForChart) { chartData.datasets[1].data = Array(effectivePages + 1).fill(totalWeight); // Adjust line length if ellipsis is added } if (chartInstance) { chartInstance.destroy(); } chartInstance = new Chart(ctx, { type: 'bar', data: chartData, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Weight (grams)' } }, x: { title: { display: true, text: 'Pages' } } }, plugins: { legend: { display: true, position: 'top', }, tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(2) + 'g'; } return label; } } } } } }); } function copyResults() { var primaryResult = document.getElementById('primary-result').innerText; var weightPerBrochure = document.getElementById('result-weight-per-brochure').children[1].innerText; var totalWeightKg = document.getElementById('result-total-weight-kg').children[1].innerText; var batchCost = document.getElementById('result-batch-cost').children[1].innerText; var assumptionGsm = document.getElementById('assumption-paper-gsm').children[1].innerText; var assumptionPages = document.getElementById('assumption-page-count').children[1].innerText; var assumptionMailingRate = document.getElementById('assumption-mailing-rate').children[1].innerText; var tableRows = document.querySelectorAll('#brochure-weight-table-body tr'); var tableData = "Brochure Weight Breakdown:\n"; tableRows.forEach(function(row) { var metric = row.cells[0].innerText; var value = row.cells[1].innerText; tableData += "- " + metric + ": " + value + "\n"; }); var textToCopy = "— Brochure Weight Calculation Results —\n\n"; textToCopy += "Main Result (Weight per Brochure): " + primaryResult + "\n"; textToCopy += "Estimated Total Weight (Batch): " + totalWeightKg + "\n"; textToCopy += "Estimated Mailing Cost (Batch): " + batchCost + "\n\n"; textToCopy += "Key Assumptions:\n"; textToCopy += "- Paper GSM: " + assumptionGsm + "\n"; textToCopy += "- Number of Pages: " + assumptionPages + "\n"; textToCopy += "- Mailing Rate: " + assumptionMailingRate + "\n\n"; textToCopy += tableData; navigator.clipboard.writeText(textToCopy).then(function() { // Optionally provide user feedback, e.g., a temporary message var copyButton = document.querySelector('button[onclick="copyResults()"]'); var originalText = copyButton.innerText; copyButton.innerText = 'Copied!'; setTimeout(function() { copyButton.innerText = originalText; }, 1500); }).catch(function(err) { console.error('Failed to copy text: ', err); // Optionally provide user feedback about failure }); } function resetCalculator() { document.getElementById('paperGsm').value = 120; document.getElementById('paperSize').value = 'A4'; document.getElementById('brochureDimensionsW').value = 210; document.getElementById('brochureDimensionsH').value = 297; document.getElementById('numPages').value = 4; document.getElementById('brochuresPerKg').value = 100; document.getElementById('mailingCostPerKg').value = '5.00'; calculateWeight(); // Recalculate with default values } // Initialize chart with dummy data or placeholder function initializeChart() { var ctx = document.getElementById('weightDistributionChart').getContext('2d'); var chartData = { labels: ['Page 1', 'Page 2', 'Page 3', 'Page 4'], datasets: [{ label: 'Weight Contribution (grams)', data: [0, 0, 0, 0], backgroundColor: 'rgba(0, 74, 153, 0.6)', borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1 }, { label: 'Total Brochure Weight (grams)', data: [0, 0, 0, 0], type: 'line', fill: false, borderColor: 'rgba(40, 167, 69, 0.8)', pointRadius: 0, borderWidth: 2, tension: 0.1 }] }; var options = { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Weight (grams)' } }, x: { title: { display: true, text: 'Pages' } } }, plugins: { legend: { display: true, position: 'top', } } }; chartInstance = new Chart(ctx, { type: 'bar', data: chartData, options: options }); } // Add event listeners for dynamic updates on input changes document.getElementById('paperGsm').addEventListener('input', calculateWeight); document.getElementById('paperSize').addEventListener('change', calculateWeight); document.getElementById('brochureDimensionsW').addEventListener('input', calculateWeight); document.getElementById('brochureDimensionsH').addEventListener('input', calculateWeight); document.getElementById('numPages').addEventListener('input', calculateWeight); document.getElementById('brochuresPerKg').addEventListener('input', calculateWeight); document.getElementById('mailingCostPerKg').addEventListener('input', calculateWeight); // Initial calculation on page load window.onload = function() { initializeChart(); calculateWeight(); };

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