Cat 6 Cable Weight Calculator

Cat 6 Cable Weight Calculator & Guide 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: 960px; margin: 20px auto; padding: 20px; background-color: #fff; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); } h1, h2, h3 { color: #004a99; text-align: center; margin-bottom: 20px; } .calculator-section { background-color: #eef5ff; padding: 25px; border-radius: 8px; margin-bottom: 30px; box-shadow: inset 0 1px 5px rgba(0,0,0,0.1); } .input-group { margin-bottom: 20px; text-align: left; } .input-group label { display: block; margin-bottom: 8px; font-weight: 600; color: #004a99; } .input-group input[type="number"], .input-group select { width: calc(100% – 22px); padding: 10px; border: 1px solid #ccc; border-radius: 4px; font-size: 1rem; box-sizing: border-box; margin-bottom: 5px; } .input-group .helper-text { font-size: 0.85em; color: #666; display: block; margin-top: 5px; } .input-group .error-message { color: #dc3545; font-size: 0.8em; margin-top: 5px; display: block; min-height: 1.2em; } .results-container { background-color: #004a99; color: #fff; padding: 20px; border-radius: 8px; text-align: center; margin-top: 30px; box-shadow: 0 4px 8px rgba(0, 74, 153, 0.3); } .results-container h3 { color: #fff; margin-bottom: 15px; } .primary-result { font-size: 2.5em; font-weight: bold; margin-bottom: 10px; display: block; } .intermediate-results div, .assumptions div { font-size: 1.1em; margin-bottom: 8px; } .assumptions { font-size: 0.9em; color: #eee; margin-top: 15px; border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: 10px; } .formula-explanation { font-size: 0.9em; color: #333; margin-top: 15px; padding: 10px; background-color: #e9ecef; border-radius: 4px; text-align: left; } .button-group { text-align: center; margin-top: 20px; } button { background-color: #004a99; color: white; border: none; padding: 10px 20px; border-radius: 5px; cursor: pointer; font-size: 1rem; margin: 5px; transition: background-color 0.3s ease; } button:hover { background-color: #003366; } button.reset { background-color: #6c757d; } button.reset:hover { background-color: #5a6268; } button.copy { background-color: #28a745; } button.copy:hover { background-color: #218838; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { padding: 10px; border: 1px solid #ddd; text-align: left; } th { background-color: #004a99; color: white; } tr:nth-child(even) { background-color: #f2f2f2; } caption { caption-side: top; font-weight: bold; margin-bottom: 10px; color: #004a99; font-size: 1.1em; } .chart-container { text-align: center; margin-top: 30px; padding: 20px; background-color: #eef5ff; border-radius: 8px; } .chart-container canvas { max-width: 100%; height: auto; } .article-section { margin-top: 40px; padding-top: 20px; border-top: 1px solid #eee; } .article-section h2 { text-align: left; margin-bottom: 15px; } .article-section h3 { text-align: left; margin-top: 20px; margin-bottom: 10px; color: #0056b3; } .faq-item { margin-bottom: 15px; padding: 10px; background-color: #f9f9f9; border-radius: 4px; border-left: 4px solid #004a99; } .faq-item strong { color: #004a99; display: block; margin-bottom: 5px; } a { color: #007bff; text-decoration: none; } a:hover { text-decoration: underline; } .internal-links-list a { font-weight: bold; color: #004a99; } .internal-links-list span { font-size: 0.9em; color: #666; display: block; } /* Tooltip container */ .tooltip { position: relative; display: inline-block; border-bottom: 1px dotted black; /* For styling the element that triggers the tooltip */ } /* Tooltip text */ .tooltip .tooltiptext { visibility: hidden; width: 160px; background-color: #555; color: #fff; text-align: center; padding: 5px 0; border-radius: 6px; position: absolute; z-index: 1; bottom: 125%; /* Position the tooltip above the text */ left: 50%; margin-left: -80px; /* Use half of the width to center it */ opacity: 0; transition: opacity 0.3s; font-size: 0.8em; white-space: nowrap; /* Prevent text from wrapping */ } /* Tooltip arrow */ .tooltip .tooltiptext::after { content: ""; position: absolute; top: 100%; /* At the bottom of the tooltip */ left: 50%; margin-left: -5px; border-width: 5px; border-style: solid; border-color: #555 transparent transparent transparent; /* Top border to create arrow */ } /* Show the tooltip text when you hover over the tooltip container */ .tooltip:hover .tooltiptext { visibility: visible; opacity: 1; }

Cat 6 Cable Weight Calculator

Accurately estimate the weight of your Cat 6 Ethernet cable runs.

Enter the total length of Cat 6 cable in meters.
Solid Copper (23 AWG) Stranded Copper (24 AWG) Solid Copper (25 AWG) Select the type of Cat 6 cable.
PVC (Polyvinyl Chloride) LSZH (Low Smoke Zero Halogen) PE (Polyethylene) Choose the primary jacket material.

Estimated Cable Weight

0.00 kg
Weight per Meter: 0.00 kg/m
Total Conductor Weight: 0.00 kg
Total Jacket Weight: 0.00 kg

Assumptions:

Cable Type: Solid Copper (23 AWG)

Jacket Material: PVC

Density values are approximate and can vary by manufacturer.

Formula Used:

Total Cable Weight = (Weight per Meter of Conductor + Weight per Meter of Jacket) * Cable Length

Weight per Meter = (Conductor Density * Conductor Volume per Meter) + (Jacket Density * Jacket Volume per Meter)

What is Cat 6 Cable Weight?

{primary_keyword} is a crucial metric for network infrastructure planning, particularly when dealing with large quantities of cabling. It allows installers, engineers, and project managers to accurately estimate the total mass of the Cat 6 Ethernet cable required for a project. This information is vital for several reasons, including determining structural load-bearing capacities, planning for transportation and handling logistics, and ensuring the physical integrity of cable management systems like trays, conduits, and support structures. Understanding the weight of Cat 6 cable helps in preventing strain on ceilings, walls, and mounting hardware. For anyone involved in deploying or managing network cabling, particularly in large-scale environments like data centers, office buildings, or industrial facilities, knowing the {primary_keyword} is indispensable. It's not just about the numbers; it's about safety, efficiency, and the long-term reliability of the network infrastructure.

Who Should Use a Cat 6 Cable Weight Calculator?

A {primary_keyword} calculator is beneficial for a wide range of professionals:

  • Network Engineers and IT Managers: To accurately plan for cable tray fill ratios, ensure structural support is adequate, and budget for material handling.
  • Electrical and Cabling Installers: To estimate the manpower and equipment needed for pulling and managing long cable runs, and to comply with installation guidelines.
  • Data Center Designers and Architects: To account for the cumulative weight of thousands of meters of cable on building structures and overhead systems.
  • Procurement Specialists: To understand potential shipping costs and logistics associated with bulk cable orders.
  • Safety Officers: To ensure compliance with weight load limits in suspended ceilings and other structural elements.

Common Misconceptions about Cat 6 Cable Weight

One common misconception is that all Cat 6 cables weigh the same. In reality, variations in conductor material (solid vs. stranded, AWG size), jacket material (PVC, LSZH, PE), shielding (UTP vs. STP), and even manufacturer-specific designs can lead to significant differences in weight per meter. Another misconception is that weight is a minor detail. For large deployments, the cumulative weight can be substantial, posing a serious risk if not accounted for. Finally, some believe that focusing on weight is only for extreme structural engineering, when in fact, it's a practical consideration for any sizable installation to ensure a smooth and safe deployment.

Cat 6 Cable Weight Formula and Mathematical Explanation

The total weight of a Cat 6 cable run is determined by its length and the weight per unit length, which in turn depends on the materials used (conductors and jacket) and their respective densities and volumes. The fundamental formula can be broken down as follows:

Total Cable Weight = (Weight per Meter of Conductor + Weight per Meter of Jacket) * Cable Length

Where:

  • Weight per Meter of Conductor: This is calculated by multiplying the density of the conductor material (typically copper) by the volume of the conductors per meter of cable.
  • Weight per Meter of Jacket: This is calculated by multiplying the density of the jacket material (PVC, LSZH, PE, etc.) by the volume of the jacket material per meter of cable.

The volume of the conductors and jacket depends on their dimensions (e.g., AWG size for conductors, outer diameter and internal structure for the jacket). Different cable types and constructions will have different volumes.

Variables and Typical Ranges

Here's a breakdown of the key variables involved in calculating the {primary_keyword}:

Variable Meaning Unit Typical Range/Notes
Cable Length The total linear length of the Cat 6 cable run. Meters (m) 1 to 10,000+ m
Conductor Diameter The diameter of individual copper conductors. mm 0.511 mm (24 AWG) to 0.644 mm (23 AWG)
Number of Conductors The total count of insulated copper wires within the cable. Count 8 (4 twisted pairs)
Copper Density The mass per unit volume of copper. kg/m³ ~8960 kg/m³
Jacket Thickness The radial thickness of the outer protective sheath. mm 0.5 mm to 1.5 mm (varies greatly)
Cable Outer Diameter (OD) The overall diameter of the finished cable. mm 5.8 mm to 7.6 mm (typical for Cat 6)
Jacket Material Density The mass per unit volume of the jacket material. kg/m³ PVC: ~1300-1450, LSZH: ~900-1100, PE: ~920-970
Weight per Meter (Conductor) The mass of the copper conductors in one meter of cable. kg/m 0.015 to 0.035 kg/m (approx.)
Weight per Meter (Jacket) The mass of the jacket material in one meter of cable. kg/m 0.010 to 0.050 kg/m (approx.)

Note: These values are approximate. The calculator uses industry-standard approximations for common Cat 6 cable constructions. For precise calculations, consult the manufacturer's datasheet.

Practical Examples (Real-World Use Cases)

Example 1: Standard Office Deployment

A small office requires a new network drop for a workstation. The cable needs to run approximately 50 meters from the patch panel to the user's desk. They are using standard Cat 6 UTP cable with a PVC jacket.

Inputs:

  • Cable Length: 50 m
  • Cable Type: Solid Copper (23 AWG)
  • Jacket Material: PVC

Calculation:

Using the calculator, we find:

  • Weight per Meter: ~0.042 kg/m (approx.)
  • Total Conductor Weight: ~1.05 kg
  • Total Jacket Weight: ~1.05 kg
  • Total Cable Weight: 105 kg (approx.)

Interpretation: For this 50-meter run, the cable will weigh approximately 105 kg. This is a manageable weight for a single run, but it's important to ensure that the mounting points (e.g., cable ties, J-hooks, or conduit) can support this load, especially when considering multiple cables bundled together.

Example 2: Data Center Rack Installation

A data center needs to connect 10 servers within a single rack using short patch cables. Each connection requires an estimated 5 meters of Cat 6 cable. The data center specifies Low Smoke Zero Halogen (LSZH) cable for fire safety compliance.

Inputs:

  • Cable Length per connection: 5 m
  • Number of Connections: 10
  • Cable Type: Stranded Copper (24 AWG)
  • Jacket Material: LSZH

Calculation:

First, we calculate the total length: 10 connections * 5 m/connection = 50 m total length.

Using the calculator with these inputs:

  • Weight per Meter: ~0.035 kg/m (approx. for Stranded Copper, LSZH)
  • Total Conductor Weight: ~0.875 kg
  • Total Jacket Weight: ~0.625 kg
  • Total Cable Weight: 17.5 kg (for all 10 connections combined)

Interpretation: While each individual 5m cable is light (~1.75 kg), the aggregate weight for 10 cables is 17.5 kg. In a data center environment where hundreds or thousands of cables are deployed, this cumulative weight is significant. Cable management within the rack must be robust enough to handle the total load of all installed cables, ensuring airflow is not obstructed and structural integrity is maintained.

How to Use This Cat 6 Cable Weight Calculator

Our Cat 6 Cable Weight Calculator is designed for simplicity and accuracy. Follow these steps:

  1. Enter Cable Length: Input the total linear distance (in meters) you intend to run the Cat 6 cable. Be precise, as this is a primary factor in the calculation.
  2. Select Cable Type: Choose the appropriate option from the dropdown menu that best matches your cable's construction. Common choices include Solid Copper (often 23 AWG) and Stranded Copper (often 24 AWG). Variations in AWG (American Wire Gauge) affect conductor size and thus weight.
  3. Choose Jacket Material: Select the type of outer jacket your cable has (e.g., PVC, LSZH, PE). Different materials have varying densities, impacting the overall weight.
  4. Click Calculate: Press the "Calculate Weight" button.

Reading the Results

  • Estimated Cable Weight: This is your primary result, displayed prominently in kilograms (kg). It represents the total estimated weight for the specified length and cable type.
  • Weight per Meter: This intermediate value shows the calculated weight of one meter of your selected Cat 6 cable.
  • Total Conductor Weight: This figure breaks down the portion of the total weight attributable to the copper conductors.
  • Total Jacket Weight: This figure shows the portion of the total weight attributable to the outer jacket material.
  • Assumptions: Review the assumptions to ensure they align with your cable specifications. Note that exact weights can vary slightly between manufacturers.

Decision-Making Guidance

Use the calculated weight to:

  • Structural Assessment: Determine if existing supports (ceiling grids, cable trays, conduits) can safely handle the load, especially in bulk installations.
  • Logistics Planning: Estimate handling requirements, such as the number of people needed to pull long runs or the type of equipment for transport.
  • Budgeting: Factor in potential shipping costs, which can be influenced by the total weight of bulk cable orders.
  • Compliance: Ensure adherence to building codes or project specifications regarding cable load limits.

Don't forget to use the Copy Results button to easily transfer the data to your project documentation.

Key Factors That Affect Cat 6 Cable Weight

Several factors influence the final weight of Cat 6 cable. Understanding these can help refine your estimates and planning:

  1. Conductor Gauge (AWG): Cat 6 cable typically uses 23 AWG for solid conductors or 24 AWG for stranded conductors. A lower AWG number indicates a thicker wire, meaning more copper and therefore higher weight. 23 AWG solid copper is denser than 24 AWG stranded copper, contributing more significantly to the cable's overall mass per meter.
  2. Conductor Material Purity: While most network cables use high-purity copper, slight variations in alloy composition or plating (like tin or nickel) can marginally affect density. However, for standard Cat 6, copper density is the primary driver.
  3. Jacket Material Density: This is a major differentiator. PVC (Polyvinyl Chloride) is denser than LSZH (Low Smoke Zero Halogen) compounds or PE (Polyethylene). Therefore, a PVC-jacketed cable will generally weigh more per meter than an LSZH or PE equivalent of the same dimensions. LSZH cables are often chosen for fire safety in public spaces but can be lighter than standard PVC.
  4. Jacket Thickness and Diameter: Cables with thicker jackets or a larger overall outer diameter (OD) will naturally weigh more, assuming similar material densities. This can be influenced by manufacturer design choices, additional protective layers, or the presence of shielding (STP vs. UTP).
  5. Shielding (STP vs. UTP): Shielded Twisted Pair (STP) Cat 6 cables include an additional metallic shield (foil and/or braid) around the pairs or the entire cable bundle. This shielding material (often aluminum or copper alloy) adds significant weight compared to Unshielded Twisted Pair (UTP) cables.
  6. Internal Structure & Fillers: Some Cat 6 cables include internal splines or fillers (often plastic) to maintain pair separation and cable geometry. These components also contribute to the overall volume and mass of the cable. The presence and type of these elements can affect the final weight.
  7. Manufacturing Tolerances: Like any manufactured product, there are slight tolerances in diameter, thickness, and material density. While usually minor, these can lead to small variations in weight between different batches or manufacturers.

Frequently Asked Questions (FAQ)

Q1: Does the color of the Cat 6 cable affect its weight?

A: Generally, no. The colorant added to the jacket material is usually in very small proportions and has a negligible impact on the overall weight compared to the primary jacket material itself.

Q2: How much does 100 meters of Cat 6 cable typically weigh?

A: Based on typical specifications (e.g., 23 AWG solid copper, PVC jacket), 100 meters of Cat 6 cable can weigh approximately 8-10 kg. Using the calculator with 100m, solid copper 23 AWG, and PVC, you'd get around 9.24 kg.

Q3: Is shielded Cat 6 (STP) heavier than unshielded (UTP)?

A: Yes, significantly. STP cables include extra shielding materials (foil, braid) which add considerable weight compared to UTP cables of the same length and gauge.

Q4: What is the difference in weight between PVC and LSZH jackets for Cat 6 cable?

A: PVC jackets are generally denser and heavier than LSZH jackets. A PVC jacketed cable will weigh more per meter than an LSZH cable with similar conductor specifications.

Q5: Can I use the weight calculation for other cable types like Cat 5e or Cat 7?

A: While the fundamental principles are the same, the specific densities, diameters, and material compositions differ for Cat 5e, Cat 6a, Cat 7, etc. This calculator is specifically tuned for Cat 6. For other types, you would need a different calculator with adjusted parameters.

Q6: How does temperature affect the weight of Cat 6 cable?

A: Temperature has a minimal, almost negligible, effect on the weight of the cable itself. Density changes are very slight within typical operating ranges. Weight is primarily determined by volume and material density.

Q7: Where can I find the exact weight specification for my specific Cat 6 cable?

A: The most accurate source for specific weight information is the manufacturer's datasheet or technical specification document for that particular cable model. Our calculator provides an estimate based on common industry standards.

Q8: Why is knowing the Cat 6 cable weight important for installation?

A: It's crucial for assessing the load-bearing capacity of mounting hardware (trays, conduits, ceilings), planning logistics for handling large quantities, ensuring compliance with safety regulations, and preventing physical stress on the cable and supporting structures.

Related Tools and Internal Resources

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var cableLengthInput = document.getElementById('cableLength'); var cableTypeSelect = document.getElementById('cableType'); var jacketMaterialSelect = document.getElementById('jacketMaterial'); var resultsDisplay = document.getElementById('results-display'); var primaryResult = document.getElementById('primaryResult'); var weightPerMeterDiv = document.getElementById('weightPerMeter'); var totalConductorWeightDiv = document.getElementById('totalConductorWeight'); var totalJacketWeightDiv = document.getElementById('totalJacketWeight'); var assumptionCableTypeSpan = document.getElementById('assumptionCableType'); var assumptionJacketSpan = document.getElementById('assumptionJacket'); // Densities (kg/m^3) – Approximate values var densities = { copper: 8960, pvc: 1400, lszh: 1000, pe: 950 }; // Volumes (m^3 per meter of cable) – Calculated based on typical dimensions // These are estimations and can vary significantly by manufacturer var volumesPerMeter = { solid_copper_23awg: { conductors: Math.PI * Math.pow(0.644e-3 / 2, 2) * 4, jacket_min: 0.00003, jacket_max: 0.00005 }, // Approx for 8 conductors, 23 AWG solid stranded_copper_24awg: { conductors: Math.PI * Math.pow(0.511e-3 / 2, 2) * 4, jacket_min: 0.000025, jacket_max: 0.000045 }, // Approx for 8 conductors, 24 AWG stranded solid_copper_25awg: { conductors: Math.PI * Math.pow(0.573e-3 / 2, 2) * 4, jacket_min: 0.000028, jacket_max: 0.000048 } // Approx for 8 conductors, 25 AWG solid }; // Function to get weight per meter based on selections function getWeightPerMeter(cableType, jacketMaterial) { var selectedVolume = volumesPerMeter[cableType]; if (!selectedVolume) { return { total: 0, conductor: 0, jacket: 0 }; } var conductorVolume = selectedVolume.conductors; var conductorWeightPerMeter = conductorVolume * densities.copper; var jacketDensity; if (jacketMaterial === 'pvc') { jacketDensity = densities.pvc; } else if (jacketMaterial === 'lszh') { jacketDensity = densities.lszh; } else if (jacketMaterial === 'pe') { jacketDensity = densities.pe; } else { jacketDensity = densities.pvc; // Default } // Estimate jacket volume based on OD and conductor volume. This is a simplification. // Typical OD for Cat 6 is 6.25mm. Assume inner diameter related to conductor bundle. // Outer Volume approx PI * (OD/2)^2 // Jacket Volume = Outer Volume – Conductor Volume (This is crude, actual jacket volume is complex) // Using min/max for jacket volume estimation is more practical here. var jacketVolumeApprox = (selectedVolume.jacket_min + selectedVolume.jacket_max) / 2; // Use average of min/max estimates var jacketWeightPerMeter = jacketVolumeApprox * jacketDensity; var totalWeightPerMeter = conductorWeightPerMeter + jacketWeightPerMeter; return { total: totalWeightPerMeter, conductor: conductorWeightPerMeter, jacket: jacketWeightPerMeter }; } function calculateWeight() { var cableLength = parseFloat(cableLengthInput.value); var cableType = cableTypeSelect.value; var jacketMaterial = jacketMaterialSelect.value; var cableLengthError = document.getElementById('cableLengthError'); cableLengthError.textContent = "; // Clear previous errors // Input Validation if (isNaN(cableLength) || cableLength < 0) { cableLengthError.textContent = 'Please enter a valid non-negative length.'; return; } var weightData = getWeightPerMeter(cableType, jacketMaterial); var totalWeight = weightData.total * cableLength; // Update results display primaryResult.textContent = totalWeight.toFixed(2) + ' kg'; weightPerMeterDiv.textContent = 'Weight per Meter: ' + weightData.total.toFixed(2) + ' kg/m'; totalConductorWeightDiv.textContent = 'Total Conductor Weight: ' + (weightData.conductor * cableLength).toFixed(2) + ' kg'; totalJacketWeightDiv.textContent = 'Total Jacket Weight: ' + (weightData.jacket * cableLength).toFixed(2) + ' kg'; // Update assumptions display assumptionCableTypeSpan.textContent = 'Cable Type: ' + cableTypeSelect.options[cableTypeSelect.selectedIndex].text; assumptionJacketSpan.textContent = 'Jacket Material: ' + jacketMaterialSelect.options[jacketMaterialSelect.selectedIndex].text; resultsDisplay.style.display = 'block'; } function resetCalculator() { cableLengthInput.value = 100; cableTypeSelect.value = 'solid_copper_23awg'; jacketMaterialSelect.value = 'pvc'; document.getElementById('cableLengthError').textContent = ''; resultsDisplay.style.display = 'none'; calculateWeight(); // Recalculate with defaults } function copyResults() { var resultText = "Cat 6 Cable Weight Calculation:\n\n"; resultText += "Cable Length: " + cableLengthInput.value + " m\n"; resultText += "Cable Type: " + cableTypeSelect.options[cableTypeSelect.selectedIndex].text + "\n"; resultText += "Jacket Material: " + jacketMaterialSelect.options[jacketMaterialSelect.selectedIndex].text + "\n\n"; resultText += "— Results —\n"; resultText += "Estimated Cable Weight: " + primaryResult.textContent + "\n"; resultText += weightPerMeterDiv.textContent + "\n"; resultText += totalConductorWeightDiv.textContent + "\n"; resultText += totalJacketWeightDiv.textContent + "\n\n"; resultText += "Assumptions:\n"; resultText += assumptionCableTypeSpan.textContent + "\n"; resultText += assumptionJacketSpan.textContent + "\n"; resultText += "Density values are approximate and can vary by manufacturer.\n"; // Copy to clipboard var textArea = document.createElement("textarea"); textArea.value = resultText; document.body.appendChild(textArea); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied!' : 'Failed to copy results.'; // Optionally show a temporary message to the user alert(msg); } catch (err) { console.error('Unable to copy results.', err); alert('Failed to copy results.'); } finally { document.body.removeChild(textArea); } } // Initial calculation on page load with default values document.addEventListener('DOMContentLoaded', function() { calculateWeight(); }); // Charting Logic (using native Canvas) function drawChart() { var canvas = document.getElementById('weightChart'); if (!canvas) return; var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear previous chart var cableLength = parseFloat(cableLengthInput.value); var cableType = cableTypeSelect.value; var jacketMaterial = jacketMaterialSelect.value; if (isNaN(cableLength) || cableLength <= 0) { // Don't draw chart if length is invalid return; } var weightData = getWeightPerMeter(cableType, jacketMaterial); var totalWeight = weightData.total * cableLength; var conductorWeight = weightData.conductor * cableLength; var jacketWeight = weightData.jacket * cableLength; // Ensure weights are non-negative for chart conductorWeight = Math.max(0, conductorWeight); jacketWeight = Math.max(0, jacketWeight); totalWeight = conductorWeight + jacketWeight; var chartWidth = canvas.offsetWidth; var chartHeight = canvas.offsetHeight; var barWidth = (chartWidth * 0.45); // Width for each bar var spacing = chartWidth * 0.05; // Space between bars var maxHeight = chartHeight * 0.8; // Max height for bars, leaving room for labels // Scale factor for bars var maxWeight = Math.max(conductorWeight, jacketWeight, 1); // Prevent division by zero var scale = maxHeight / maxWeight; // Colors var primaryColor = '#004a99'; var successColor = '#28a745'; var barColor1 = '#007bff'; // Conductor var barColor2 = '#6c757d'; // Jacket // Draw Title ctx.fillStyle = '#333'; ctx.font = 'bold 16px Segoe UI'; ctx.textAlign = 'center'; ctx.fillText('Weight Distribution by Component', chartWidth / 2, 30); // Draw Conductor Bar var conductorBarHeight = conductorWeight * scale; ctx.fillStyle = barColor1; ctx.fillRect(spacing, chartHeight – conductorBarHeight – 40, barWidth, conductorBarHeight); // Conductor Label ctx.fillStyle = '#333'; ctx.font = '14px Segoe UI'; ctx.textAlign = 'center'; ctx.fillText('Conductors', spacing + barWidth / 2, chartHeight – 15); ctx.fillText(conductorWeight.toFixed(2) + ' kg', spacing + barWidth / 2, chartHeight – conductorBarHeight – 50); // Draw Jacket Bar var jacketBarHeight = jacketWeight * scale; ctx.fillStyle = barColor2; ctx.fillRect(spacing * 2 + barWidth, chartHeight – jacketBarHeight – 40, barWidth, jacketBarHeight); // Jacket Label ctx.fillStyle = '#333'; ctx.font = '14px Segoe UI'; ctx.textAlign = 'center'; ctx.fillText('Jacket', spacing * 2 + barWidth * 1.5, chartHeight – 15); ctx.fillText(jacketWeight.toFixed(2) + ' kg', spacing * 2 + barWidth * 1.5, chartHeight – jacketBarHeight – 50); // Draw Total Weight Indicator (optional, or could be text) ctx.fillStyle = primaryColor; ctx.font = '14px Segoe UI'; ctx.textAlign = 'center'; ctx.fillText('Total: ' + totalWeight.toFixed(2) + ' kg', chartWidth / 2, 45); } // Update chart when inputs change cableLengthInput.addEventListener('input', drawChart); cableTypeSelect.addEventListener('change', drawChart); jacketMaterialSelect.addEventListener('change', drawChart); // Initial chart draw document.addEventListener('DOMContentLoaded', function() { drawChart(); });

Chart showing the breakdown of weight between conductors and jacket.

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