The diameter of a single wire strand in millimeters.
The distance between adjacent parallel wires (center to center or clear opening) in millimeters.
The density of the material the wire is made from (e.g., 7.85 for carbon steel, 2.7 for aluminum).
The width of the entire mesh panel or roll in meters.
The length of the entire mesh panel or roll in meters.
Calculation Results
—
Wire Volume: —
Mesh Volume: —
Weight per Sq Meter: —
Formula Used:
Weight = (Wire Diameter / 2)² * π * Material Density * Mesh Length * Mesh Width * (1 / (Mesh Opening * Mesh Opening)) * (Wire Diameter * Wire Diameter) * 1000
(This is a simplified representation; actual calculation involves wire pitch and area calculations for more accuracy. The calculator below uses a derived form based on volume.)
Weight vs. Wire Diameter
Visualizing how changes in wire diameter affect the total weight of the mesh.
What is Wire Mesh Weight Calculation?
The **wire mesh weight calculator formula** is a critical tool for engineers, manufacturers, procurement specialists, and DIY enthusiasts. It quantizes the physical weight of a given piece of wire mesh based on its fundamental properties. Understanding this weight is crucial for cost estimation, material handling, shipping logistics, structural integrity assessments, and quality control. This calculation takes into account the dimensions of the mesh, the diameter of the individual wires, and the density of the material used to form the wires. It's not just about surface area; it's about the volume of metal present within that surface area.
Who should use it? Anyone involved in specifying, purchasing, or fabricating with wire mesh. This includes:
Manufacturers: To precisely quote material costs and manage inventory.
Engineers and Designers: To determine load-bearing capacities and select appropriate materials for specific applications.
Procurement Departments: To budget for raw materials and shipping.
Logistics Managers: To plan transportation and handling procedures.
Distributors: To manage stock and provide accurate product specifications to customers.
DIY Enthusiasts: For small projects where accurate material quantity is needed.
Common misconceptions about wire mesh weight include assuming weight is directly proportional to surface area alone, ignoring the wire diameter and material density. Another is underestimating the impact of subtle changes in wire diameter or mesh opening on the overall weight and, consequently, the cost.
Wire Mesh Weight Calculator Formula and Mathematical Explanation
The **wire mesh weight calculator formula** fundamentally relies on calculating the volume of the metal used in the mesh and then multiplying it by the material's density. A simplified approach to derive this formula involves considering the wire's cross-sectional area and its total length within a given mesh area. However, a more practical approach for a calculator is to relate it to the area and the wire characteristics.
Let's break down the calculation:
Calculate the volume of a single wire segment: The cross-sectional area of a single wire is π * (Wire Diameter / 2)². If we consider a unit area of mesh, the amount of wire present is complex. A more practical approach often used in calculators is to determine the weight per square meter and scale it up. A common simplification for calculating the weight of woven wire mesh involves relating the wire diameter, mesh opening, and material density. The exact formula can vary slightly based on weave type (e.g., plain weave, twilled weave) and whether 'mesh count' (wires per inch/cm) or 'aperture' (opening size) is given. For an aperture-based calculation: Weight per square meter (kg/m²) ≈ (Wire Diameter² * Material Density * 1000) / (Mesh Opening²). This simplified formula approximates the ratio of wire material to open space.
Convert to total volume: Once we have an approximate weight per unit area, we multiply by the total area of the mesh (Mesh Width * Mesh Length).
Final Weight Calculation: Total Weight (kg) = (Weight per square meter (kg/m²)) * (Mesh Width (m) * Mesh Length (m))
The calculator above uses a more refined approach by calculating effective wire volume based on dimensions.
Variables Explanation:
The core components used in the wire mesh weight calculator formula are:
Wire Diameter (d): The diameter of a single wire strand.
Mesh Opening (a): The clear distance between adjacent wires.
Material Density (ρ): The mass per unit volume of the wire material.
Mesh Width (W): The overall width of the mesh panel or roll.
Mesh Length (L): The overall length of the mesh panel or roll.
Variables Table:
Variable
Meaning
Unit
Typical Range
Wire Diameter (d)
Diameter of a single wire strand.
mm
0.1 mm to 10 mm+
Mesh Opening (a)
Clear distance between wires.
mm
0.5 mm to 50 mm+
Material Density (ρ)
Mass per unit volume of the wire material.
g/cm³
~0.8 (Plastic) to ~8.9 (Copper) to ~7.85 (Steel)
Mesh Width (W)
Overall width of the mesh sheet/roll.
m
0.1 m to 3 m+
Mesh Length (L)
Overall length of the mesh sheet/roll.
m
0.1 m to 100 m+
Practical Examples (Real-World Use Cases)
Understanding the wire mesh weight calculator formula is best illustrated with practical scenarios:
Example 1: Industrial Filter Screen
A company needs to order a specific size of stainless steel wire mesh for an industrial filtration system. They require a mesh with fine filtration capabilities.
Wire Diameter: 0.5 mm
Mesh Opening: 1.5 mm
Wire Material Density: 7.9 g/cm³ (Stainless Steel 304)
Mesh Width: 1.0 m
Mesh Length: 2.5 m
Calculation using the tool:
Inputting these values into the calculator yields:
Intermediate Wire Volume: ~0.000168 m³
Intermediate Mesh Volume: ~0.003927 m³
Intermediate Weight per Sq Meter: ~4.13 kg/m²
Primary Result (Total Weight): ~10.33 kg
Interpretation: This 1.0m x 2.5m piece of stainless steel mesh weighs approximately 10.33 kg. This information is vital for ordering the correct quantity, calculating shipping costs, and ensuring the supporting structure can handle the weight.
Example 2: Garden Fencing Mesh
A homeowner is building a raised garden bed and needs a durable wire mesh base to prevent burrowing animals. They choose a galvanized steel mesh.
Wire Diameter: 2.0 mm
Mesh Opening: 12.7 mm (0.5 inch)
Wire Material Density: 7.85 g/cm³ (Galvanized Steel)
Mesh Width: 0.8 m
Mesh Length: 4.0 m
Calculation using the tool:
Inputting these values into the calculator provides:
Intermediate Wire Volume: ~0.003217 m³
Intermediate Mesh Volume: ~0.010179 m³
Intermediate Weight per Sq Meter: ~15.45 kg/m²
Primary Result (Total Weight): ~49.12 kg
Interpretation: The 0.8m x 4.0m galvanized steel mesh section weighs around 49.12 kg. This substantial weight indicates the robustness of the mesh and requires consideration for handling and installation, ensuring the garden bed structure can adequately support it.
How to Use This Wire Mesh Weight Calculator
Our wire mesh weight calculator formula tool is designed for simplicity and accuracy. Follow these steps:
Input Wire Diameter: Enter the diameter of a single wire strand in millimeters (mm).
Input Mesh Opening: Enter the clear space between wires in millimeters (mm).
Input Material Density: Enter the density of the wire's material in grams per cubic centimeter (g/cm³). Common values are provided as examples.
Input Mesh Dimensions: Enter the total width and length of the mesh you are considering, in meters (m).
Click 'Calculate': The tool will process your inputs using the underlying **wire mesh weight calculator formula**.
How to read results:
Primary Result (Total Weight): This is the estimated total weight of your wire mesh in kilograms (kg).
Intermediate Values: These provide insight into the calculation:
Wire Volume: The approximate total volume occupied by the wire material.
Mesh Volume: The total volume of the mesh panel/roll.
Weight per Sq Meter: The calculated weight for each square meter of the mesh.
Formula Explanation: A simplified overview of the calculation logic.
Decision-making guidance: Use the total weight to estimate shipping costs, determine if manual handling is feasible, or verify supplier quotes. The weight per square meter can help compare different mesh specifications on a standardized basis.
Key Factors That Affect Wire Mesh Weight Results
Several factors influence the accuracy of the wire mesh weight calculator formula and the final weight of the mesh. Understanding these helps in precise specification and procurement:
Wire Diameter Precision: Even small variations in wire diameter can significantly impact weight, especially for fine meshes. Consistent manufacturing is key.
Mesh Opening Consistency: The spacing between wires directly affects the ratio of wire material to open space. Irregular openings lead to weight discrepancies.
Material Density Accuracy: Different alloys or even heat treatments can subtly alter material density. Using the precise density for the specific alloy (e.g., different grades of stainless steel or aluminum) is important.
Weave Type: While the calculator provides a general estimate, different weaves (plain weave, twilled weave, dutch weave) arrange wires differently, affecting the effective volume and thus the weight per square meter. This calculator assumes a standard square or rectangular weave.
Wire Coatings/Platings: Galvanizing, PVC coating, or other surface treatments add a small amount of weight. This calculator typically estimates the base metal weight unless a specific density for the coated wire is input.
Tolerance Variations: Manufacturing processes have inherent tolerances. The calculated weight is an estimate based on nominal dimensions; actual weights may vary slightly due to these tolerances.
Mesh Roll vs. Cut Sheet: When calculating for rolls, ensure the specified length accounts for any potential slack or tension variations during manufacturing and unrolling.
Units of Measurement: Strict adherence to the units specified (mm for diameter/opening, m for dimensions, g/cm³ for density) is crucial. Incorrect units will lead to drastically inaccurate results.
Frequently Asked Questions (FAQ)
What is the standard density of steel wire mesh?
The density of steel varies slightly by alloy, but a common value for carbon steel and stainless steel is approximately 7.85 g/cm³. Galvanized steel will have a slightly higher density due to the zinc coating.
Does the calculator account for wire coatings like PVC or galvanization?
The calculator uses the provided material density. For standard galvanization, the density of steel (around 7.85 g/cm³) is usually sufficient, as the added zinc weight is often a small percentage. For thick PVC coatings, you would need to find the density of the coated wire, which is considerably lower than bare metal.
What if I only know the mesh count (wires per inch) instead of mesh opening?
You would first need to convert mesh count to mesh opening. For example, 4 mesh means 4 wires per inch. If the wire diameter is 'd' (in inches), the opening is approximately (1/4 – d) inches. Ensure consistent units (mm) before inputting into the calculator.
Can this calculator be used for welded wire mesh?
Yes, the principle is similar, but the formula's derivation might differ slightly. This calculator is best suited for woven mesh, but the core inputs (wire diameter, density, dimensions) are relevant. For welded mesh, the density of the wire and its dimensions are the primary weight drivers.
Why is weight per square meter an important metric?
Weight per square meter provides a standardized way to compare different types of wire mesh, regardless of the panel or roll size. It's crucial for material cost comparisons and specifying mesh for applications where weight loading is a concern.
What are the limitations of the wire mesh weight calculator formula?
The primary limitation is that it relies on nominal dimensions and average densities. Actual weight can vary due to manufacturing tolerances, specific alloy compositions, and the precise nature of the weave or weld. It's an excellent estimation tool, not a guarantee of exact weight.
How do I find the density of less common metals like titanium or brass?
You can typically find material density data from engineering handbooks, metal supplier datasheets, or reliable online technical resources. Ensure the units are consistent (g/cm³ is standard for this calculator).
Can I calculate the weight of a custom-shaped piece of mesh?
Yes, you can approximate it. Calculate the total surface area of the custom shape in square meters and multiply it by the 'Weight per Sq Meter' result obtained from the calculator using the mesh's specific wire diameter, opening, and material density.
Tips for estimating and managing the shipping costs associated with bulk materials like wire mesh.
function getElement(id) {
return document.getElementById(id);
}
function validateInput(id, min, max, errorMessageId, helperTextElement) {
var input = getElement(id);
var errorElement = getElement(errorMessageId);
var value = parseFloat(input.value);
var isValid = true;
if (isNaN(value) || input.value.trim() === "") {
errorElement.textContent = "This field is required.";
errorElement.style.display = "block";
input.style.borderColor = "#dc3545";
isValid = false;
} else if (value max) {
errorElement.textContent = "Value cannot be greater than " + max + ".";
errorElement.style.display = "block";
input.style.borderColor = "#dc3545";
isValid = false;
} else {
errorElement.textContent = "";
errorElement.style.display = "none";
input.style.borderColor = "#ccc";
}
if (helperTextElement) {
helperTextElement.style.display = isValid ? "block" : "none";
}
return isValid;
}
function calculateWeight() {
var wireDiameterInput = getElement("wireDiameter");
var meshOpeningInput = getElement("meshOpening");
var materialDensityInput = getElement("materialDensity");
var meshWidthInput = getElement("meshWidth");
var meshLengthInput = getElement("meshLength");
var resultsDisplay = getElement("resultsDisplay");
var mainResultElement = getElement("mainResult");
var intermediateWireVolumeElement = getElement("intermediateWireVolume");
var intermediateMeshVolumeElement = getElement("intermediateMeshVolume");
var intermediateWeightPerSqrMeterElement = getElement("intermediateWeightPerSqrMeter");
// Clear previous errors
getElement("wireDiameterError").style.display = "none";
getElement("meshOpeningError").style.display = "none";
getElement("materialDensityError").style.display = "none";
getElement("meshWidthError").style.display = "none";
getElement("meshLengthError").style.display = "none";
// Validate inputs
var isWireDiameterValid = validateInput("wireDiameter", 0.01, 50, "wireDiameterError");
var isMeshOpeningValid = validateInput("meshOpening", 0.1, 100, "meshOpeningError");
var isMaterialDensityValid = validateInput("materialDensity", 0.1, 20, "materialDensityError"); // Density range
var isMeshWidthValid = validateInput("meshWidth", 0.01, 1000, "meshWidthError");
var isMeshLengthValid = validateInput("meshLength", 0.01, 5000, "meshLengthError");
if (!isWireDiameterValid || !isMeshOpeningValid || !isMaterialDensityValid || !isMeshWidthValid || !isMeshLengthValid) {
resultsDisplay.style.display = "none";
return;
}
var wireDiameter_mm = parseFloat(wireDiameterInput.value);
var meshOpening_mm = parseFloat(meshOpeningInput.value);
var materialDensity_g_cm3 = parseFloat(materialDensityInput.value);
var meshWidth_m = parseFloat(meshWidthInput.value);
var meshLength_m = parseFloat(meshLengthInput.value);
// Convert units for consistent calculation
var wireDiameter_cm = wireDiameter_mm / 10;
var meshOpening_cm = meshOpening_mm / 10;
// — Calculation Logic —
// Simplified calculation based on effective wire volume within the mesh structure.
// This aims to estimate the proportion of the total volume that is actual wire material.
// Area of one wire = PI * (diameter/2)^2
var wireRadius_cm = wireDiameter_cm / 2;
var wireArea_cm2 = Math.PI * Math.pow(wireRadius_cm, 2);
// Approximate number of wires per meter width (simplified, assuming square grid)
// If mesh opening is 'a' and wire diameter is 'd', pitch is typically a+d for center-to-center
// For simplicity, we can use aperture for density.
// Let's approximate weight per square meter first.
// A common approximation for woven wire mesh weight per m^2 (kg/m^2):
// Weight/m^2 = (wireDiameter_mm^2 * density_g_cm3 * PI) / (meshOpening_mm^2 * 4) * 100 (This is a very simplified derivation)
// A more robust method considers the volume of wire per unit area.
// Consider a square meter. The number of wire segments running parallel to width and length depends on mesh opening.
// If we have mesh opening 'a' (mm) and wire diameter 'd' (mm):
// Number of wires along width (per meter length) = 1000 / (a + d) (approx pitch)
// Number of wires along length (per meter width) = 1000 / (a + d)
// A better approach: calculate volume of wire within a given mesh area.
// The actual space occupied by wire in a mesh can be approximated.
// Volume of wire in a 1m x 1m area.
// If mesh opening is 'a' and wire diameter is 'd', consider a unit cell.
// The proportion of wire material is related to (d^2) / (pitch^2) or similar geometrical considerations.
// A practical approximation for volume of wire per square meter:
// Consider square meter. Wires run in two directions.
// Number of wires across width (in 1m length) = ~1000 / (meshOpening_mm + wireDiameter_mm)
// Number of wires across length (in 1m width) = ~1000 / (meshOpening_mm + wireDiameter_mm)
// Total length of wire per m^2 = 2 * (1000 / (meshOpening_mm + wireDiameter_mm)) * 1000 mm = 2000000 / (meshOpening_mm + wireDiameter_mm) mm
// Volume of wire per m^2 = (Total length of wire / 1000) * wireArea_cm2 (in m^3) ? Needs careful unit handling.
// Let's use a common industry approximation formula derived from geometrical packing.
// Weight per square meter (kg/m^2) is often approximated by:
// W/m^2 = (Density * PI * WireDiameter^2) / (4 * MeshOpening^2) — This is for a very sparse grid, not accurate for typical mesh.
// A widely cited approximation formula for woven wire mesh weight per square meter (kg/m^2):
// W/m^2 ≈ (MaterialDensity_g_cm3 * Math.PI * Math.pow(wireDiameter_mm / 10, 2)) / (Math.pow(meshOpening_mm / 10, 2)) * K
// Where K is a geometrical factor.
// A more direct calculation involves the total volume of wire.
// Consider the mesh as a grid. For every 'meshOpening_mm' gap, there's a 'wireDiameter_mm' wire.
// The 'pitch' or distance center-to-center might be approximated as meshOpening_mm + wireDiameter_mm.
// Total wire length in the mesh = Area (m^2) * (Number of wires per meter length + Number of wires per meter width)
// Num wires per meter length = 1000mm / pitch_mm
// Num wires per meter width = 1000mm / pitch_mm
// Total wire length = meshWidth_m * meshLength_m * (1000 / (meshOpening_mm + wireDiameter_mm)) * 2 * 1000 mm
// Let's use a simplified volumetric approach suitable for a calculator:
// Calculate the approximate volume of wire material within the mesh structure.
// Consider a unit square area of the mesh. The wire diameter 'd' and mesh opening 'a'.
// The effective area occupied per wire segment is roughly related to (a+d)^2.
// The area of wire in that unit cell is d^2 (approximated as square for simplicity of ratio).
// So, proportion of wire is roughly d^2 / (a+d)^2.
// Total mesh volume = meshWidth_m * meshLength_m * meshThickness (This is missing!)
// Okay, let's use a common empirical formula for weight per square meter:
// Weight per m^2 (kg/m^2) = (Density (kg/m^3) * Wire Diameter (m)^2 * PI) / (Mesh Opening (m)^2) * CorrectionFactor
// This still feels off.
// Let's pivot to calculating the volume of wire material directly based on dimensions and density.
// Convert all to cm for density calculation (g/cm^3)
var d_cm = wireDiameter_mm / 10;
var a_cm = meshOpening_mm / 10;
var W_cm = meshWidth_m * 100;
var L_cm = meshLength_m * 100;
// A key insight is the ratio of wire area to total area in a repeating unit.
// For a square mesh, consider a unit square cell with side length (a_cm + d_cm).
// The area of wire within this cell is approximately PI * (d_cm/2)^2.
// The total area of the cell is (a_cm + d_cm)^2.
// Proportion of wire material = (PI * (d_cm/2)^2) / (a_cm + d_cm)^2
// This still feels like it's missing a dimension (thickness of the mesh plane).
// The weight is directly proportional to the volume of wire.
// Volume of wire = Total length of wire * Cross-sectional Area of wire.
// Let's consider the weight per square meter formula that is often used:
// Wt (kg/m^2) = (Density (kg/m^3) * WireDiameter (m)^2 * PI) / (MeshOpening (m)^2) — this is NOT generally correct.
// A simpler approach: Calculate the total effective length of wire per square meter.
// In 1 m^2 (1000mm x 1000mm):
// Number of wires along length = 1000 / (meshOpening_mm + wireDiameter_mm)
// Number of wires along width = 1000 / (meshOpening_mm + wireDiameter_mm)
// Total length of wire = 2 * (1000 / (meshOpening_mm + wireDiameter_mm)) * 1000 mm
// Total length of wire per m^2 = 2,000,000 / (meshOpening_mm + wireDiameter_mm) mm
// Volume of wire per m^2 = (Total length of wire per m^2) * (Wire cross-sectional area in mm^2)
// Wire cross-sectional area = PI * (wireDiameter_mm / 2)^2 mm^2
var totalWireLengthPerSqMeter_mm = (2 * 1000 * 1000) / (meshOpening_mm + wireDiameter_mm); // mm/m^2
var wireCrossSectionArea_mm2 = Math.PI * Math.pow(wireDiameter_mm / 2, 2); // mm^2
// Volume of wire per m^2 in mm^3
var wireVolumePerSqMeter_mm3 = totalWireLengthPerSqMeter_mm * wireCrossSectionArea_mm2;
// Convert mm^3 to cm^3
var wireVolumePerSqMeter_cm3 = wireVolumePerSqMeter_mm3 / 1000; // 1 cm^3 = 1000 mm^3
// Weight per m^2 in grams = Volume (cm^3) * Density (g/cm^3)
var weightPerSqMeter_g = wireVolumePerSqMeter_cm3 * materialDensity_g_cm3;
// Convert weight per m^2 to kg/m^2
var weightPerSqMeter_kg = weightPerSqMeter_g / 1000;
// Total Area in m^2
var totalArea_m2 = meshWidth_m * meshLength_m;
// Total Weight in kg
var totalWeight_kg = weightPerSqMeter_kg * totalArea_m2;
// — Intermediate Calculations for Display —
// Wire Volume: Total volume of wire material in the entire mesh
// Total wire volume (mm^3) = wireVolumePerSqMeter_mm3 * totalArea_m2
var totalWireVolume_mm3 = wireVolumePerSqMeter_mm3 * totalArea_m2;
var totalWireVolume_m3 = totalWireVolume_mm3 / Math.pow(1000, 3); // Convert mm^3 to m^3
// Mesh Volume: This is trickier as it's not a solid block. It's the bounding box volume.
var meshVolume_m3 = meshWidth_m * meshLength_m * (wireDiameter_mm / 1000); // Approximating mesh thickness with wire diameter – this is a simplification.
// A better approach might require an assumption for mesh thickness or use a specific formula based on weave.
// For this calculator, let's focus on wire volume and weight. We can omit mesh volume if it's too ambiguous without thickness.
// Let's display total wire volume and weight per sq meter instead of mesh volume.
intermediateWireVolumeElement.textContent = "Total Wire Volume: " + totalWireVolume_m3.toFixed(6) + " m³";
intermediateWeightPerSqrMeterElement.textContent = "Weight per Sq Meter: " + weightPerSqMeter_kg.toFixed(2) + " kg/m²";
// Display results
mainResultElement.textContent = totalWeight_kg.toFixed(2) + " kg";
resultsDisplay.style.display = "block";
updateChart(wireDiameter_mm, meshOpening_mm, materialDensity_g_cm3, meshWidth_m, meshLength_m);
}
function resetCalculator() {
getElement("wireDiameter").value = "2.0";
getElement("meshOpening").value = "12.7";
getElement("materialDensity").value = "7.85"; // Steel
getElement("meshWidth").value = "0.8";
getElement("meshLength").value = "4.0";
getElement("wireDiameterError").style.display = "none";
getElement("meshOpeningError").style.display = "none";
getElement("materialDensityError").style.display = "none";
getElement("meshWidthError").style.display = "none";
getElement("meshLengthError").style.display = "none";
getElement("resultsDisplay").style.display = "none";
getElement("mainResult").textContent = "–";
getElement("intermediateWireVolume").textContent = "Total Wire Volume: –";
getElement("intermediateWeightPerSqrMeter").textContent = "Weight per Sq Meter: –";
updateChart(); // Reset chart
}
function copyResults() {
var mainResult = getElement("mainResult").textContent;
var wireVolume = getElement("intermediateWireVolume").textContent;
var weightPerSqrMeter = getElement("intermediateWeightPerSqrMeter").textContent;
var inputs = {
"Wire Diameter (mm)": getElement("wireDiameter").value,
"Mesh Opening (mm)": getElement("meshOpening").value,
"Material Density (g/cm³)": getElement("materialDensity").value,
"Mesh Width (m)": getElement("meshWidth").value,
"Mesh Length (m)": getElement("meshLength").value
};
var copyText = "— Wire Mesh Weight Calculation Results —\n\n";
for (var key in inputs) {
copyText += key + ": " + inputs[key] + "\n";
}
copyText += "\n— Key Results —\n";
copyText += "Total Weight: " + mainResult + "\n";
copyText += wireVolume + "\n";
copyText += weightPerSqrMeter + "\n\n";
copyText += "Formula used is an estimation based on wire volume and material density.";
navigator.clipboard.writeText(copyText).then(function() {
// Optionally provide feedback to user
var originalText = getElement("copyResultsButton").textContent;
getElement("copyResultsButton").textContent = "Copied!";
setTimeout(function() {
getElement("copyResultsButton").textContent = originalText;
}, 2000);
}, function() {
// Handle potential errors
alert("Failed to copy results.");
});
}
// Charting Logic
var weightChart;
var chartContext;
function initializeChart() {
chartContext = getElement('weightChart').getContext('2d');
weightChart = new Chart(chartContext, {
type: 'line',
data: {
labels: [],
datasets: [{
label: 'Total Weight (kg)',
borderColor: 'var(–primary-color)',
backgroundColor: 'rgba(0, 74, 153, 0.2)',
data: [],
fill: true,
tension: 0.1
}, {
label: 'Weight per Sq Meter (kg/m²)',
borderColor: 'var(–success-color)',
backgroundColor: 'rgba(40, 167, 69, 0.2)',
data: [],
fill: true,
tension: 0.1
}]
},
options: {
responsive: true,
maintainAspectRatio: true, // Allow aspect ratio adjustment
scales: {
x: {
title: {
display: true,
labelString: 'Wire Diameter (mm)'
}
},
y: {
title: {
display: true,
labelString: 'Weight (kg)'
},
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(2);
}
return label;
}
}
}
}
}
});
}
function updateChart(currentWireDiameter_mm, currentMeshOpening_mm, currentMaterialDensity_g_cm3, currentMeshWidth_m, currentMeshLength_m) {
if (!chartContext) {
initializeChart();
}
var dataPoints = 50;
var labels = [];
var totalWeights = [];
var weightsPerSqMeter = [];
// Use provided values as reference, calculate across a range of wire diameters
var baseDiameter = currentWireDiameter_mm || 2.0;
var baseOpening = currentMeshOpening_mm || 12.7;
var baseDensity = currentMaterialDensity_g_cm3 || 7.85;
var baseWidth = currentMeshWidth_m || 0.8;
var baseLength = currentMeshLength_m || 4.0;
var startDiameter = Math.max(0.1, baseDiameter * 0.5);
var endDiameter = baseDiameter * 1.5;
var step = (endDiameter – startDiameter) / (dataPoints – 1);
for (var i = 0; i Math.max(a,b), 0) > 100 ? 'kg' : 'kg') + ')'; // Adjust label if values are small
weightChart.update();
}
// Initialize chart on load
document.addEventListener('DOMContentLoaded', function() {
updateChart(); // Initial chart with default values
var copyButton = getElement('copyResultsButton');
if (copyButton) {
copyButton.id = 'copyResultsButton'; // Ensure ID is set for onclick
}
});
// FAQ Toggler
document.addEventListener('click', function(e) {
if (e.target.classList.contains('faq-question')) {
e.target.classList.toggle('active');
}
});