Alloy Sheet Weight Calculator

Alloy Sheet Weight Calculator: Calculate Precise Metal Sheet Mass body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8f9fa; color: #333; line-height: 1.6; margin: 0; padding: 0; } .container { max-width: 980px; margin: 20px auto; padding: 20px; background-color: #fff; border-radius: 8px; box-shadow: 0 2px 15px rgba(0, 74, 153, 0.1); } h1, h2, h3 { color: #004a99; } h1 { text-align: center; margin-bottom: 30px; } .calculator-section { background-color: #ffffff; padding: 30px; border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.05); margin-bottom: 40px; } .calculator-section h2 { margin-top: 0; border-bottom: 2px solid #004a99; padding-bottom: 10px; margin-bottom: 20px; } .input-group { margin-bottom: 20px; padding: 15px; border: 1px solid #e0e0e0; border-radius: 5px; background-color: #fdfdfd; } .input-group label { display: block; margin-bottom: 8px; font-weight: 600; color: #004a99; } .input-group input[type="number"], .input-group select { width: calc(100% – 20px); padding: 12px 10px; border: 1px solid #ccc; border-radius: 4px; font-size: 1rem; margin-top: 5px; } .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: 8px; display: block; } .error-message { color: #dc3545; font-size: 0.9em; margin-top: 8px; display: none; font-weight: bold; } .button-group { display: flex; justify-content: space-between; margin-top: 30px; } .button-group button { padding: 12px 25px; border: none; border-radius: 5px; cursor: pointer; font-size: 1rem; font-weight: 600; transition: background-color 0.3s ease; } #resetBtn { background-color: #6c757d; color: white; } #resetBtn:hover { background-color: #5a6268; } #copyBtn { background-color: #17a2b8; color: white; } #copyBtn:hover { background-color: #138496; } .result-box { background-color: #004a99; color: white; padding: 25px; border-radius: 8px; margin-top: 30px; text-align: center; box-shadow: 0 4px 15px rgba(0, 74, 153, 0.3); } .result-box h3 { color: white; margin-top: 0; margin-bottom: 15px; font-size: 1.4em; } .primary-result { font-size: 2.5em; font-weight: bold; margin-bottom: 10px; color: #fff; } .result-box .formula-explanation { font-size: 0.9em; color: rgba(255, 255, 255, 0.8); margin-top: 15px; padding-top: 15px; border-top: 1px solid rgba(255, 255, 255, 0.3); } .intermediate-results div, .assumptions div { margin-top: 15px; font-size: 1.1em; padding: 10px; background-color: rgba(0, 74, 153, 0.1); border-radius: 4px; color: #004a99; } .intermediate-results span, .assumptions span { font-weight: bold; margin-right: 5px; } .chart-container { margin-top: 40px; padding: 20px; background-color: #fff; border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.05); } .chart-container h3 { text-align: center; margin-bottom: 20px; border-bottom: 2px solid #004a99; padding-bottom: 10px; } canvas { display: block; margin: 0 auto; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { padding: 12px 15px; border: 1px solid #ddd; text-align: left; } th { background-color: #004a99; color: white; font-weight: bold; } tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; margin-bottom: 10px; font-weight: bold; color: #333; text-align: left; } .article-section { margin-top: 40px; background-color: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.05); } .article-section h2 { margin-top: 0; border-bottom: 2px solid #004a99; padding-bottom: 10px; margin-bottom: 20px; } .article-section h3 { margin-top: 25px; margin-bottom: 15px; color: #0056b3; } .article-section p, .article-section ul, .article-section ol { margin-bottom: 15px; } .article-section ul, .article-section ol { padding-left: 25px; } .article-section li { margin-bottom: 8px; } .internal-links { margin-top: 30px; padding: 20px; background-color: #e9ecef; border-radius: 8px; } .internal-links h3 { margin-top: 0; color: #004a99; border-bottom: 1px solid #004a99; padding-bottom: 8px; } .internal-links ul { list-style: none; padding: 0; } .internal-links li { margin-bottom: 10px; } .internal-links a { color: #004a99; text-decoration: none; font-weight: 600; } .internal-links a:hover { text-decoration: underline; } .internal-links p { font-size: 0.9em; color: #555; margin-top: 5px; } /* Specific styling for calculator inputs/labels/buttons */ .calculator-section label { font-size: 1.05rem; color: #004a99; } .calculator-section input[type="number"], .calculator-section select { font-size: 1rem; } .calculator-section .button-group button { font-size: 1rem; } .calculator-section .result-box .primary-result { font-size: 2.8em; } .calculator-section .result-box .formula-explanation { font-size: 0.95em; } .calculator-section .intermediate-results div, .calculator-section .assumptions div { font-size: 1.05em; }

Alloy Sheet Weight Calculator

Alloy Sheet Weight Calculator

Aluminum (e.g., 6061) Steel (e.g., Stainless 304) Copper Brass Titanium Custom Density Select the type of alloy from the dropdown.
Enter the specific density for custom alloys if not listed.
Enter the length of the alloy sheet in meters.
Enter the width of the alloy sheet in meters.
Enter the thickness of the alloy sheet in millimeters.

Your Alloy Sheet Weight

Volume:
Density:
Area:
Weight = Volume × Density. Volume = Length × Width × Thickness. Units are converted for calculation consistency.

Assumptions:

Alloy Type: —
Density Used: —

Weight vs. Thickness Distribution

Visualizing how weight changes with different sheet thicknesses for the selected alloy.

What is Alloy Sheet Weight?

{primary_keyword} is the calculated mass of a flat piece of metal, specifically an alloy, based on its dimensions (length, width, thickness) and its material density. This value is crucial for a wide range of industries, including manufacturing, construction, engineering, and logistics, where precise material estimation directly impacts costs, structural integrity, and transportation planning. Understanding the {primary_keyword} helps professionals avoid over-ordering or under-estimating material needs, ensuring project efficiency and budget adherence. Many professionals and DIY enthusiasts alike find themselves needing to determine the {primary_keyword} for various applications.

Who should use it:

  • Engineers and designers specifying materials for projects.
  • Procurement officers and purchasing managers sourcing raw materials.
  • Manufacturers calculating material yield and production costs.
  • Logistics and shipping companies estimating cargo weight.
  • Fabricators and metalworkers determining material requirements for fabrication.
  • Students and educators learning about material science and engineering principles.

Common misconceptions:

  • Density is constant: Not all alloys of the same base metal have identical densities. Variations in composition significantly alter the density, thus affecting the {primary_keyword}.
  • Units don't matter: Mixing units (e.g., meters for length, millimeters for thickness) without proper conversion is a common source of calculation errors.
  • Weight equals strength: While related, density and weight are distinct from mechanical properties like tensile strength or hardness. A lighter alloy might be stronger than a denser one.
  • All sheets are perfectly flat: Manufacturing tolerances mean sheet dimensions can vary slightly, leading to minor deviations in the calculated {primary_keyword}. Our calculator uses ideal dimensions.

Alloy Sheet Weight Formula and Mathematical Explanation

The calculation of alloy sheet weight is fundamentally based on the relationship between volume, density, and mass. The core formula is:

Weight (Mass) = Volume × Density

To apply this formula to a rectangular alloy sheet, we first need to determine its volume. The volume of a rectangular prism (like a sheet) is calculated as:

Volume = Length × Width × Thickness

However, it's critical to ensure that all dimensions are in compatible units before multiplying. Densities are commonly provided in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³). For practical application with sheet dimensions often given in meters and millimeters, careful unit conversion is necessary.

Our calculator uses the following steps:

  1. Convert Units:
    • Length and Width are typically in meters (m).
    • Thickness is often in millimeters (mm). We convert this to meters: Thickness (m) = Thickness (mm) / 1000.
    • Density is typically in grams per cubic centimeter (g/cm³). We convert this to kilograms per cubic meter (kg/m³): Density (kg/m³) = Density (g/cm³) × 1000.
  2. Calculate Volume:

    Volume (m³) = Length (m) × Width (m) × Thickness (m)

  3. Calculate Weight (Mass):

    Weight (kg) = Volume (m³) × Density (kg/m³)

Variable Explanations

The following variables are used in the alloy sheet weight calculation:

Variable Meaning Unit Typical Range
Length (L) The longest dimension of the sheet. Meters (m) 0.1 – 100+
Width (W) The shorter dimension of the sheet. Meters (m) 0.1 – 50+
Thickness (T) The smallest dimension of the sheet, its depth. Millimeters (mm) or Meters (m) 0.5 – 50+ (mm)
Density (ρ) The mass per unit volume of the alloy material. Grams per cubic centimeter (g/cm³) or Kilograms per cubic meter (kg/m³) 2.7 (Aluminum) – 19.3 (Gold)
Volume (V) The three-dimensional space occupied by the sheet. Cubic Meters (m³) Varies greatly based on dimensions.
Weight (Mass) (M) The resulting mass of the alloy sheet. Kilograms (kg) Varies greatly.

This detailed understanding of the {primary_keyword} calculation ensures accuracy for professionals in various fields. Accurate {primary_keyword} estimation is a cornerstone of efficient project management.

Practical Examples (Real-World Use Cases)

Let's explore some practical scenarios where calculating the {primary_keyword} is essential.

Example 1: Manufacturing a Custom Metal Frame

A workshop needs to fabricate a large rectangular frame using a 5mm thick stainless steel (Type 304) sheet. The required dimensions for the frame section are 3 meters in length and 1.5 meters in width. They need to estimate the weight of this single sheet to plan handling and welding.

  • Alloy Type: Steel (Stainless 304)
  • Density: Approximately 7.9 g/cm³ (which is 7900 kg/m³)
  • Sheet Length: 3 m
  • Sheet Width: 1.5 m
  • Sheet Thickness: 5 mm

Calculation:

  1. Convert Thickness: 5 mm = 0.005 m
  2. Calculate Area: 3 m × 1.5 m = 4.5 m²
  3. Calculate Volume: 4.5 m² × 0.005 m = 0.0225 m³
  4. Calculate Weight: 0.0225 m³ × 7900 kg/m³ = 177.75 kg

Result Interpretation: The workshop can expect the stainless steel sheet to weigh approximately 177.75 kg. This weight is critical for selecting appropriate lifting equipment and ensuring safe handling during the fabrication process. Accurately knowing the {primary_keyword} prevents workplace accidents.

Example 2: Estimating Shipping Costs for Aluminum Panels

A construction company is ordering custom aluminum sheets (Type 6061) for a building facade. They need 50 sheets, each measuring 4 meters long, 1 meter wide, and 8 mm thick. They must provide an accurate total weight estimate to the shipping company.

  • Alloy Type: Aluminum (6061)
  • Density: Approximately 2.70 g/cm³ (which is 2700 kg/m³)
  • Sheet Length: 4 m
  • Sheet Width: 1 m
  • Sheet Thickness: 8 mm

Calculation (per sheet):

  1. Convert Thickness: 8 mm = 0.008 m
  2. Calculate Area: 4 m × 1 m = 4 m²
  3. Calculate Volume: 4 m² × 0.008 m = 0.032 m³
  4. Calculate Weight per Sheet: 0.032 m³ × 2700 kg/m³ = 86.4 kg
  5. Calculate Total Weight: 86.4 kg/sheet × 50 sheets = 4320 kg

Result Interpretation: Each aluminum sheet weighs 86.4 kg, and the total order of 50 sheets will weigh 4320 kg. This precise {primary_keyword} figure allows the company to get accurate shipping quotes and arrange for appropriate transport and unloading at the construction site. Understanding the {primary_keyword} is vital for logistical planning.

How to Use This Alloy Sheet Weight Calculator

Our Alloy Sheet Weight Calculator is designed for simplicity and accuracy. Follow these steps to get your precise material weight calculation:

  1. Select Alloy Type: Choose your alloy from the dropdown menu (e.g., Aluminum, Steel, Copper). If your alloy isn't listed, select "Custom Density" and enter its specific density in g/cm³ into the provided field.
  2. Enter Dimensions:
    • Input the Sheet Length in meters (m).
    • Input the Sheet Width in meters (m).
    • Input the Sheet Thickness in millimeters (mm).
  3. Automatic Calculation: As you enter valid numbers, the calculator will update in real time.
  4. View Results: The primary result, showing the calculated Weight (Mass) in kilograms (kg), will appear prominently in the result box. You will also see key intermediate values like the calculated Volume, Density used, and Sheet Area.
  5. Understand Assumptions: Review the "Assumptions" section to confirm the Alloy Type and Density value used in the calculation.
  6. Utilize the Chart: Observe the dynamic chart, which visually represents how the sheet's weight changes with variations in thickness for the selected alloy.
  7. Copy Results: Click the "Copy Results" button to copy all calculated values and assumptions to your clipboard for easy use in reports or other documents.
  8. Reset: Use the "Reset" button to clear all fields and return to default sensible values, allowing you to start a new calculation.

Decision-Making Guidance: The calculated {primary_keyword} is fundamental for budgeting, material procurement, and logistical planning. Use this value to compare supplier quotes, ensure you have adequate material for a project, and plan for safe transportation and handling. For critical engineering applications, always cross-reference with material specification sheets.

Key Factors That Affect Alloy Sheet Weight Results

While the basic formula for {primary_keyword} is straightforward, several factors can influence the accuracy and practical application of the calculated weight:

  1. Alloy Composition and Density Variations:

    The most significant factor is the alloy's density. Even minor changes in the elemental composition of an alloy can alter its density. For example, different grades of stainless steel have slightly different densities. Always use the most accurate density value available for your specific alloy grade.

  2. Dimensional Accuracy and Tolerances:

    Manufacturing processes introduce tolerances. Sheet dimensions (length, width, thickness) are rarely exact. Slight variations can accumulate, especially for large sheets or when calculating the {primary_keyword} for many identical pieces. The calculator uses the stated dimensions; actual weight may vary slightly due to these tolerances.

  3. Unit Conversions:

    As demonstrated in the formula section, incorrect unit conversions are a primary source of error. Mixing meters, millimeters, centimeters, and different density units (g/cm³, kg/m³) without proper conversion will lead to drastically incorrect results. Our calculator handles these conversions internally.

  4. Sheet Form and Surface Finish:

    While this calculator assumes a perfectly flat sheet, real-world sheets might have slight curvature or surface treatments (like coatings or anodizing) that add a minuscule amount of weight. For most standard applications, these are negligible but can matter in high-precision contexts.

  5. Temperature Effects (Minor):

    Materials expand and contract with temperature. This affects dimensions and, consequently, volume and weight. However, for most practical industrial and commercial purposes, these changes are too small to be considered in standard {primary_keyword} calculations.

  6. Cutting and Machining Losses:

    When ordering sheet metal, especially for complex shapes, there will be waste from cutting. The calculated {primary_keyword} is for the full sheet. The actual weight of the finished part will be less, and the weight of the scrap material must also be accounted for in overall material management. Understanding scrap weight is an extension of knowing the initial {primary_keyword}.

  7. Holes or Cutouts:

    If the sheet has pre-existing holes or cutouts, the calculated weight will be higher than the actual weight of the usable material. To find the net weight, one would need to calculate the volume and weight of the material removed and subtract it from the gross {primary_keyword}.

Frequently Asked Questions (FAQ)

What is the difference between weight and mass?
In common usage, "weight" often refers to mass. Scientifically, mass is the amount of matter in an object (measured in kg), while weight is the force of gravity on that mass (measured in Newtons). This calculator computes mass, commonly referred to as weight.
Why is density important for calculating {primary_keyword}?
Density is the inherent property of a material that defines how much mass is packed into a given volume. It's essential because it directly links the physical dimensions (volume) of the sheet to its total mass.
Can I use this calculator for alloys not listed?
Yes, absolutely. Select "Custom Density" and input the precise density value for your specific alloy in g/cm³. This ensures maximum accuracy.
What are the typical units for sheet thickness?
Sheet thickness is commonly specified in millimeters (mm) in many regions, although inches are also used. Our calculator specifically asks for millimeters and converts it internally to meters for consistent calculation.
How accurate is the {primary_keyword} calculation?
The accuracy depends primarily on the precision of the density value used and the dimensional tolerances of the sheet. Our calculator provides a highly accurate theoretical weight based on the inputs.
Does the calculator account for coatings or surface treatments?
No, the calculator computes the weight of the base alloy material only. Coatings or surface treatments add a negligible amount of weight that is typically ignored unless dealing with highly specialized, extremely precise applications.
What if my sheet is not rectangular?
This calculator is designed for rectangular sheets. For irregularly shaped pieces, you would need to break them down into simpler geometric shapes, calculate the volume of each, sum them up, and then apply the density to find the total weight.
Is the density of an alloy constant?
While generally stable, the density of an alloy can vary slightly based on its exact composition, manufacturing process, and even temperature. For critical applications, always refer to the manufacturer's specifications for the most precise density value.

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var densityLookup = { "aluminum": 2.70, "steel": 7.85, "copper": 8.96, "brass": 8.50, "titanium": 4.50 }; var currentDensity = densityLookup["aluminum"]; // Default density function getElement(id) { return document.getElementById(id); } function validateInput(inputId, errorId, minValue = 0) { var inputElement = getElement(inputId); var errorElement = getElement(errorId); var value = parseFloat(inputElement.value); if (isNaN(value)) { errorElement.textContent = "Please enter a valid number."; errorElement.style.display = "block"; return false; } else if (value 0) { currentDensity = customDensityValue; } else { currentDensity = 0; // Indicate invalid custom density for now } } else { getElement("customDensityInput").style.display = "none"; currentDensity = densityLookup[selectedAlloy] || 0; // Use lookup value or 0 if not found getElement("customDensity").value = ""; // Clear custom density input } getElement("densityResult").innerHTML = "Density: " + (currentDensity > 0 ? currentDensity.toFixed(2) + " g/cm³" : "–"); getElement("assumptionDensity").innerHTML = "Density Used: " + (currentDensity > 0 ? currentDensity.toFixed(2) + " g/cm³" : "–"); } function calculateWeight() { var sheetLength = getElement("sheetLength"); var sheetWidth = getElement("sheetWidth"); var sheetThickness = getElement("sheetThickness"); var resultBox = getElement("resultBox"); var primaryResult = getElement("primaryResult"); var volumeResult = getElement("volumeResult"); var areaResult = getElement("areaResult"); var assumptionAlloy = getElement("assumptionAlloy"); var alloyTypeSelect = getElement("alloyType"); var isValid = true; isValid = validateInput("sheetLength", "sheetLengthError") && isValid; isValid = validateInput("sheetWidth", "sheetWidthError") && isValid; isValid = validateInput("sheetThickness", "sheetThicknessError") && isValid; var selectedAlloyText = alloyTypeSelect.options[alloyTypeSelect.selectedIndex].text; if (alloyTypeSelect.value === "custom") { selectedAlloyText = "Custom"; var customDensityInput = getElement("customDensity"); var customDensityError = getElement("customDensityError"); if (isNaN(parseFloat(customDensityInput.value)) || parseFloat(customDensityInput.value) <= 0) { customDensityError.textContent = "Please enter a valid custom density."; customDensityError.style.display = "block"; isValid = false; } else { customDensityError.style.display = "none"; } } else { getElement("customDensityError").style.display = "none"; // Ensure custom error is hidden if not custom } if (!isValid) { resultBox.style.display = "none"; return; } var lengthM = parseFloat(sheetLength.value); var widthM = parseFloat(sheetWidth.value); var thicknessMM = parseFloat(sheetThickness.value); var thicknessM = thicknessMM / 1000; // Convert mm to meters var areaM2 = lengthM * widthM; var volumeM3 = areaM2 * thicknessM; // Convert density from g/cm³ to kg/m³: (g/cm³) * 1000 = (kg/m³) var densityKgM3 = currentDensity * 1000; var weightKg = volumeM3 * densityKgM3; primaryResult.textContent = weightKg.toFixed(2) + " kg"; volumeResult.innerHTML = "Volume: " + volumeM3.toFixed(4) + " m³"; areaResult.innerHTML = "Area: " + areaM2.toFixed(2) + " m²"; assumptionAlloy.innerHTML = "Alloy Type: " + selectedAlloyText; resultBox.style.display = "block"; updateChart(); } function resetCalculator() { getElement("alloyType").value = "aluminum"; getElement("customDensity").value = ""; getElement("sheetLength").value = "2.5"; getElement("sheetWidth").value = "1.2"; getElement("sheetThickness").value = "10"; getElement("customDensityInput").style.display = "none"; updateDensity("aluminum"); // Reset density to default // Clear errors getElement("customDensityError").style.display = "none"; getElement("sheetLengthError").style.display = "none"; getElement("sheetWidthError").style.display = "none"; getElement("sheetThicknessError").style.display = "none"; calculateWeight(); // Recalculate with reset values } function copyResults() { var primaryResultText = getElement("primaryResult").textContent; var volumeText = getElement("volumeResult").textContent; var densityText = getElement("densityResult").textContent; var areaText = getElement("areaResult").textContent; var assumptionAlloyText = getElement("assumptionAlloy").textContent; var assumptionDensityText = getElement("assumptionDensity").textContent; if (primaryResultText === "–") { alert("No results to copy yet."); return; } var textToCopy = "— Alloy Sheet Weight Calculation Results —\n\n"; textToCopy += "Primary Result: " + primaryResultText + "\n"; textToCopy += volumeText + "\n"; textToCopy += densityText + "\n"; textToCopy += areaText + "\n\n"; textToCopy += assumptionAlloyText + "\n"; textToCopy += assumptionDensityText + "\n\n"; textToCopy += "Formula Used: Weight = Volume × Density. Volume = Length × Width × Thickness."; navigator.clipboard.writeText(textToCopy).then(function() { // Optionally provide feedback, e.g., change button text temporarily var originalText = getElement("copyBtn").textContent; getElement("copyBtn").textContent = "Copied!"; setTimeout(function() { getElement("copyBtn").textContent = originalText; }, 1500); }).catch(function(err) { console.error('Failed to copy text: ', err); alert('Failed to copy results. Please copy manually.'); }); } // Charting Logic var weightChart; var chartCanvas = getElement('weightChart'); function updateChart() { var ctx = chartCanvas.getContext('2d'); if (weightChart) { weightChart.destroy(); // Destroy previous chart instance } var selectedAlloy = getElement("alloyType").value; var density = currentDensity; // Use the globally updated density if (selectedAlloy === "custom") { density = parseFloat(getElement("customDensity").value) || 0; } var thicknessValues = []; var weightValues = []; var thicknesses = [1, 2, 5, 8, 10, 15, 20]; // Sample thicknesses in mm for (var i = 0; i < thicknesses.length; i++) { var thicknessMM = thicknesses[i]; var thicknessM = thicknessMM / 1000; var length = parseFloat(getElement("sheetLength").value) || 1; // Default to 1 if not set var width = parseFloat(getElement("sheetWidth").value) || 1; // Default to 1 if not set var area = length * width; var volume = area * thicknessM; var densityKgM3 = density * 1000; var weight = volume * densityKgM3; thicknessValues.push(thicknessMM + " mm"); weightValues.push(weight); } // Ensure density is valid before plotting if (density <= 0) { ctx.clearRect(0, 0, chartCanvas.width, chartCanvas.height); // Clear canvas ctx.font = "16px Arial"; ctx.fillStyle = "#dc3545"; ctx.textAlign = "center"; ctx.fillText("Please enter a valid density to display the chart.", chartCanvas.width / 2, chartCanvas.height / 2); return; } // Dynamically set canvas size based on content if needed, or keep fixed chartCanvas.width = 600; chartCanvas.height = 350; weightChart = new Chart(ctx, { type: 'bar', // Changed to bar chart for better visibility of discrete points data: { labels: thicknessValues, datasets: [{ label: 'Weight (kg)', data: weightValues, backgroundColor: 'rgba(0, 74, 153, 0.6)', borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1 }, { // Added a second dataset for demonstration – e.g., a reference line or another metric if applicable label: 'Reference (e.g., 10mm Weight)', data: Array(thicknessValues.length).fill(weightValues[thicknessValues.indexOf("10 mm")]), // Shows weight at 10mm as reference type: 'line', // Display as a line borderColor: 'rgba(40, 167, 69, 0.8)', borderWidth: 2, fill: false, pointRadius: 0 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Weight (kg)' } }, x: { title: { display: true, text: 'Thickness (mm)' } } }, plugins: { title: { display: true, text: 'Sheet Weight vs. Thickness for ' + selectedAlloy.charAt(0).toUpperCase() + selectedAlloy.slice(1) + ' Alloy', font: { size: 16 } }, legend: { position: 'top', } } } }); } // Initial setup document.addEventListener('DOMContentLoaded', function() { // Initialize default values and calculate updateDensity(getElement("alloyType").value); resetCalculator(); // Load default values and calculate // updateChart(); // Initial chart render after resetCalculator calls calculateWeight });

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