Kg to Gross Weight Calculator

KG to Gross Weight Calculator — Calculate Your Total Load :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-background: #fff; –shadow: 0 2px 5px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); margin: 0; padding: 0; display: flex; flex-direction: column; align-items: center; min-height: 100vh; } main { width: 100%; max-width: 1000px; margin: 20px auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } header { width: 100%; background-color: var(–primary-color); color: white; padding: 20px 0; text-align: center; margin-bottom: 20px; } header h1 { margin: 0; font-size: 2.5em; font-weight: 600; } .calculator-container { display: flex; flex-direction: column; gap: 25px; margin-bottom: 30px; padding: 25px; border: 1px solid var(–border-color); border-radius: 8px; background-color: var(–card-background); } .input-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 15px; } .input-group label { font-weight: 600; color: var(–primary-color); } .input-group input[type="number"], .input-group select { padding: 12px 15px; border: 1px solid var(–border-color); border-radius: 4px; font-size: 1em; width: calc(100% – 30px); /* Adjust for padding */ } .input-group .helper-text { font-size: 0.85em; color: #666; } .input-group .error-message { color: red; font-size: 0.8em; margin-top: 4px; min-height: 1.2em; /* Reserve space for message */ } .button-group { display: flex; gap: 10px; margin-top: 20px; } button { padding: 12px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1em; font-weight: 600; transition: background-color 0.3s ease; } .btn-calculate { background-color: var(–primary-color); color: white; } .btn-calculate:hover { background-color: #003366; } .btn-reset, .btn-copy { background-color: #6c757d; color: white; } .btn-reset:hover, .btn-copy:hover { background-color: #5a6268; } #results-container { margin-top: 30px; padding: 25px; border: 1px solid var(–border-color); border-radius: 8px; background-color: var(–card-background); text-align: center; } #results-container h2 { margin-top: 0; color: var(–primary-color); } .primary-result { font-size: 2.5em; font-weight: bold; color: var(–success-color); background-color: #e6ffea; padding: 15px 20px; border-radius: 5px; display: inline-block; margin: 15px 0; min-width: 200px; } .intermediate-results div { margin-bottom: 10px; font-size: 1.1em; } .intermediate-results span { font-weight: bold; } .formula-explanation { font-size: 0.9em; color: #555; margin-top: 20px; padding-top: 15px; border-top: 1px dashed #ccc; } table { width: 100%; border-collapse: collapse; margin-top: 20px; box-shadow: var(–shadow); } th, td { padding: 12px 15px; text-align: left; border: 1px solid var(–border-color); } thead { background-color: var(–primary-color); color: white; } tbody tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 10px; caption-side: top; text-align: left; } #chart-container { margin-top: 30px; padding: 25px; border: 1px solid var(–border-color); border-radius: 8px; background-color: var(–card-background); text-align: center; } #chart-container h2 { margin-top: 0; color: var(–primary-color); } canvas { max-width: 100%; height: auto !important; /* Ensure canvas scales */ } section { margin-bottom: 40px; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } section h2 { color: var(–primary-color); border-bottom: 2px solid var(–primary-color); padding-bottom: 10px; margin-bottom: 20px; } section h3 { color: var(–primary-color); margin-top: 25px; margin-bottom: 15px; } article p { line-height: 1.7; margin-bottom: 15px; text-align: justify; } article ul, article ol { margin-left: 20px; margin-bottom: 15px; line-height: 1.7; } article li { margin-bottom: 8px; } a { color: var(–primary-color); text-decoration: none; font-weight: 500; } a:hover { text-decoration: underline; } .internal-link-list li { margin-bottom: 15px; } footer { text-align: center; padding: 20px; margin-top: 30px; font-size: 0.9em; color: #777; width: 100%; } /* Specific Styles for KG to Gross Weight Calculator */ #results-container .primary-result::after { content: " kg"; font-size: 0.5em; vertical-align: super; }

KG to Gross Weight Calculator

Calculate your total gross weight from net weight and tare weight.

The weight of the goods only.
The weight of the packaging or container.

Calculation Results

Gross Weight = Net Weight + Tare Weight
Net Weight: kg
Tare Weight: kg
Component Breakdown:

Weight Component Visualization

Visual representation of net weight vs. tare weight contributing to the gross weight.

Weight Components Summary
Component Value (kg) Percentage of Gross Weight
Net Weight
Tare Weight
Gross Weight 100.00%

What is KG to Gross Weight Calculation?

The **KG to Gross Weight Calculator** is a fundamental tool used across numerous industries to determine the total weight of a shipment or item. It's crucial for understanding the complete load that needs to be managed, transported, or accounted for. This calculation is straightforward, involving the addition of the product's actual weight (net weight) and the weight of its packaging, container, or support structure (tare weight). Mastering the **KG to Gross Weight Calculator** ensures accurate logistics, compliance with transportation regulations, and efficient resource allocation. Anyone involved in shipping, logistics, warehousing, aviation, or even manufacturing where product weight is a key specification will benefit from understanding and utilizing the **KG to Gross Weight Calculator**.

A common misconception is that gross weight is simply the weight of the goods themselves. However, this overlooks the significant contribution of packaging, pallets, crates, or even the vehicle itself in certain contexts. Another misunderstanding is treating net and tare weights as interchangeable; they represent distinct components of the total load. The simplicity of the **KG to Gross Weight Calculator** can sometimes lead to an underestimation of its importance, but accurate gross weight is vital for safety, cost-effectiveness, and regulatory adherence in the **KG to Gross Weight Calculator** process.

KG to Gross Weight Calculation Formula and Mathematical Explanation

The core of the **KG to Gross Weight Calculator** lies in a simple additive formula. This formula is universally applied across logistics and transportation sectors to ascertain the total mass being handled.

The Formula

The fundamental equation used in the **KG to Gross Weight Calculator** is:

Gross Weight = Net Weight + Tare Weight

Variable Explanations

Let's break down the components of this formula:

  • Net Weight: This refers to the weight of the product or goods themselves, excluding any packaging, containers, or materials used for transport. It's the intrinsic weight of what is being shipped.
  • Tare Weight: This is the weight of the empty packaging, container, pallet, or any other materials that hold or accompany the net weight. For example, it's the weight of the cardboard box, the plastic wrap, the wooden pallet, or the shipping container itself when it's empty.
  • Gross Weight: This is the final, total weight, representing the sum of both the net weight and the tare weight. It's the overall weight that must be considered for shipping, handling, and regulatory purposes.

Mathematical Derivation and Example Breakdown

The derivation is direct addition. If you have a product with a net weight of 150 kg and it's placed in a container that weighs 25 kg (tare weight), the calculation is:

Gross Weight = 150 kg (Net Weight) + 25 kg (Tare Weight) = 175 kg

The **KG to Gross Weight Calculator** performs this exact summation. Understanding these distinct values allows for better inventory management, cost calculation (as shipping costs are often based on gross weight), and compliance checks.

Variables Table

Here's a summary of the variables involved in the **KG to Gross Weight Calculator**:

Variables in Gross Weight Calculation
Variable Meaning Unit Typical Range
Net Weight Weight of the goods/product only Kilograms (kg) 0.1 kg to several tons (depending on product)
Tare Weight Weight of the packaging, container, pallet, etc. Kilograms (kg) 0.05 kg to several tons (depending on packaging)
Gross Weight Total weight (Net Weight + Tare Weight) Kilograms (kg) Sum of Net and Tare, can range from very light to very heavy

Practical Examples (Real-World Use Cases)

The application of the **KG to Gross Weight Calculator** is diverse, impacting many logistical and operational scenarios. Here are a couple of practical examples:

Example 1: Shipping a Pallet of Electronics

A company is preparing a shipment of 50 high-end televisions. Each television has a net weight of 22 kg. They are packed individually in reinforced cardboard boxes. The average weight of each empty box is 3 kg. The televisions are then stacked onto a standard wooden pallet, which weighs 15 kg, and secured with plastic wrap, weighing an additional 1 kg.

  • Net Weight per TV: 22 kg
  • Tare Weight per TV (box): 3 kg
  • Number of TVs: 50
  • Pallet Tare Weight: 15 kg
  • Wrap Tare Weight: 1 kg

Calculation:

Step 1: Calculate total net weight.
Total Net Weight = 50 TVs * 22 kg/TV = 1100 kg

Step 2: Calculate total packaging tare weight.
Total Box Tare Weight = 50 TVs * 3 kg/box = 150 kg

Step 3: Add pallet and wrap tare weight.
Additional Tare Weight = 15 kg (pallet) + 1 kg (wrap) = 16 kg

Step 4: Calculate total tare weight.
Total Tare Weight = 150 kg (boxes) + 16 kg (additional) = 166 kg

Step 5: Calculate Gross Weight.
Gross Weight = Total Net Weight + Total Tare Weight = 1100 kg + 166 kg = 1266 kg

Result Interpretation: The total gross weight for this shipment is 1266 kg. This figure is critical for booking freight, ensuring the truck or container has sufficient capacity, and calculating shipping costs, which are typically based on gross weight. This highlights the importance of the **KG to Gross Weight Calculator** in freight planning.

Example 2: Calculating Load for a Small Aircraft

A small cargo plane has a maximum payload capacity. The pilot needs to determine the gross weight of a consignment consisting of specialized scientific equipment. The equipment itself has a net weight of 350 kg. It is housed within a reinforced metal casing that weighs 75 kg. For stability during flight, additional ballast weights totaling 20 kg are added to the cargo hold alongside the equipment.

  • Net Weight of Equipment: 350 kg
  • Tare Weight (casing): 75 kg
  • Ballast Weight: 20 kg

Calculation:

Step 1: Identify Net Weight.
Net Weight = 350 kg

Step 2: Sum all Tare/Associated Weights.
Total Tare Weight = 75 kg (casing) + 20 kg (ballast) = 95 kg

Step 3: Calculate Gross Weight.
Gross Weight = Net Weight + Total Tare Weight = 350 kg + 95 kg = 445 kg

Result Interpretation: The total gross weight of this consignment is 445 kg. This must be factored into the aircraft's total weight calculation (including fuel, passengers, and the aircraft's own empty weight) to ensure it does not exceed the maximum takeoff weight. This exemplifies how the **KG to Gross Weight Calculator** is critical for aviation safety and compliance.

How to Use This KG to Gross Weight Calculator

Using our **KG to Gross Weight Calculator** is a simple, intuitive process designed for speed and accuracy. Follow these steps to get your total weight instantly:

Step-by-Step Guide

  1. Enter Net Weight: Locate the first input field labeled "Net Weight (kg)". Carefully type or paste the weight of the goods or product itself into this box. Ensure you are entering only the numerical value.
  2. Enter Tare Weight: Find the second input field labeled "Tare Weight (kg)". Input the weight of all packaging, containers, pallets, or securing materials here. Again, enter only the numerical value.
  3. Initiate Calculation: Click the "Calculate Gross Weight" button. The calculator will immediately process your inputs.
  4. View Results: The primary result, your calculated Gross Weight (in kg), will be prominently displayed. Below this, you'll see the intermediate values for Net Weight and Tare Weight, along with a component breakdown percentage.
  5. Analyze Table and Chart: Review the summary table for a detailed breakdown of each component's contribution and percentage. The dynamic chart offers a visual representation of how net and tare weights make up the gross weight.
  6. Copy Information (Optional): If you need to document or share these figures, click the "Copy Results" button. This will copy the main result, intermediate values, and key assumptions to your clipboard for easy pasting.
  7. Reset Values (Optional): If you need to start over or input new figures, click the "Reset" button. This will clear all fields and restore them to sensible default or zero values, preparing the calculator for new inputs.

How to Read Results

  • Primary Result (Gross Weight): This is the most important figure – the total weight of your shipment. It's displayed prominently in large font and highlighted in green.
  • Intermediate Values: These confirm the inputs you provided (Net Weight and Tare Weight) and show their individual values in kg.
  • Component Breakdown: This shows what percentage of the total gross weight is made up by the net weight and the tare weight. This can be useful for understanding cost allocations or identifying unusually heavy packaging.
  • Table Summary: Provides a clear, structured view of the weight components and their percentages, making it easy to compare values.
  • Chart Visualization: Offers an intuitive graphical representation, helping to quickly grasp the weight distribution.

Decision-Making Guidance

The results from the **KG to Gross Weight Calculator** directly inform critical decisions:

  • Shipping & Logistics: Confirm if the gross weight complies with carrier limits (air, sea, road) and calculate accurate shipping costs.
  • Warehousing: Plan storage space and handling equipment capacity based on total load weights.
  • Manufacturing & Inventory: Ensure product specifications are met and manage inventory levels accurately.
  • Safety Compliance: Adhere to regulations concerning maximum load capacities for vehicles, aircraft, and lifting equipment.

By accurately determining the gross weight, businesses can avoid unexpected fees, delays, safety incidents, and operational inefficiencies. Leveraging tools like this **KG to Gross Weight Calculator** is essential for streamlined operations.

Key Factors That Affect KG to Gross Weight Results

While the calculation itself is a simple addition, several external factors can influence the values entered into the **KG to Gross Weight Calculator** and the interpretation of its results. Understanding these factors is crucial for accurate assessment:

  1. Type of Goods (Net Weight): The inherent density and size of the product significantly impact its net weight. Heavier materials like metals or dense liquids will naturally result in a higher net weight compared to lighter materials like textiles or plastics for the same volume.
  2. Packaging Materials (Tare Weight): The choice of packaging materials directly affects tare weight. Using heavy-duty wooden crates versus lightweight cardboard boxes, or the amount of protective padding (foam, bubble wrap), will dramatically increase the tare weight. Consider material cost analysis for packaging decisions.
  3. Quantity and Consolidation: Shipping multiple individual items requires summing the net weight of each item and the tare weight of each package. If items are consolidated onto a pallet or into a larger container, the weight of that consolidation medium (pallet, container) becomes part of the tare weight. Effective inventory management strategies are key here.
  4. Securing and Dunnage: Materials used to secure goods within a larger container or vehicle, such as straps, bracing, or additional filler material (dunnage), contribute to the overall tare weight. Proper securing is vital for supply chain risk management.
  5. Moisture Content/Environmental Factors: For certain goods (e.g., agricultural products, certain chemicals), moisture content can significantly vary the net weight. Environmental conditions during transit (temperature, humidity) can also affect the weight of packaging materials or even the product itself.
  6. Regulatory Standards: Different industries and regions have specific regulations regarding maximum allowable gross weights for transportation (e.g., road weight limits, aviation payload restrictions). The results from the **KG to Gross Weight Calculator** must align with these standards.
  7. Measurement Accuracy: The precision of the scales used to measure both net and tare weights is critical. Inaccurate scales will lead to incorrect inputs and, consequently, an inaccurate gross weight. Regular calibration of weighing equipment is essential for maintaining accuracy.
  8. Returns and Reverse Logistics: When items are returned, the gross weight calculation might need to be re-evaluated, considering any changes in packaging or condition. Understanding reverse logistics processes can refine this.

Frequently Asked Questions (FAQ)

Q1: What is the difference between Net Weight and Gross Weight?
Net weight is the weight of the product alone. Gross weight is the total weight including the product and all its packaging, containers, and securing materials.
Q2: Can Gross Weight be less than Net Weight?
No, Gross Weight is always equal to or greater than Net Weight because it includes the Tare Weight (packaging) in addition to the Net Weight. The formula is Gross Weight = Net Weight + Tare Weight.
Q3: How does the calculator handle different units?
This calculator specifically works with kilograms (kg). If your weights are in pounds (lbs) or other units, you will need to convert them to kg before entering them into the calculator.
Q4: What if I am shipping a product without any packaging?
In this scenario, the Tare Weight would be 0 kg (or negligible). The Gross Weight would then be equal to the Net Weight. Ensure you account for any straps or securing materials if applicable.
Q5: Does Tare Weight include the pallet?
Yes, typically Tare Weight includes all components used for containment and transport. This means the weight of the pallet, shipping container, boxes, wrapping, etc., should all be included in the Tare Weight figure.
Q6: Why is Gross Weight important for shipping?
Gross weight is critical for determining shipping costs (carriers charge based on weight and volume), ensuring compliance with transport regulations (e.g., road weight limits), capacity planning for vehicles and aircraft, and for safety reasons to avoid overloading.
Q7: What is the 'Component Breakdown' in the results?
The 'Component Breakdown' shows the percentage contribution of both Net Weight and Tare Weight to the total Gross Weight. For example, if Net Weight is 80kg and Tare Weight is 20kg, the Gross Weight is 100kg. The breakdown would be 80% Net Weight and 20% Tare Weight.
Q8: How accurate are the results?
The accuracy of the results depends entirely on the accuracy of the input values (Net Weight and Tare Weight). Ensure you are using calibrated scales for precise measurements.

Related Tools and Internal Resources

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var chartInstance = null; // Global variable to hold chart instance function calculateGrossWeight() { var netWeightInput = document.getElementById('netWeight'); var tareWeightInput = document.getElementById('tareWeight'); var netWeightError = document.getElementById('netWeightError'); var tareWeightError = document.getElementById('tareWeightError'); var grossWeightResult = document.getElementById('grossWeightResult'); var resultNetWeight = document.getElementById('resultNetWeight'); var resultTareWeight = document.getElementById('resultTareWeight'); var resultComponentBreakdown = document.getElementById('resultComponentBreakdown'); var tableNetWeight = document.getElementById('tableNetWeight'); var tableTareWeight = document.getElementById('tableTareWeight'); var tableGrossWeight = document.getElementById('tableGrossWeight'); var tableNetPercentage = document.getElementById('tableNetPercentage'); var tableTarePercentage = document.getElementById('tableTarePercentage'); var netWeight = parseFloat(netWeightInput.value); var tareWeight = parseFloat(tareWeightInput.value); // Reset previous errors netWeightError.textContent = "; tareWeightError.textContent = "; netWeightInput.style.borderColor = '#ddd'; tareWeightInput.style.borderColor = '#ddd'; var isValid = true; if (isNaN(netWeight) || netWeightInput.value.trim() === ") { netWeightError.textContent = 'Please enter a valid number for Net Weight.'; netWeightInput.style.borderColor = 'red'; isValid = false; } else if (netWeight < 0) { netWeightError.textContent = 'Net Weight cannot be negative.'; netWeightInput.style.borderColor = 'red'; isValid = false; } if (isNaN(tareWeight) || tareWeightInput.value.trim() === '') { tareWeightError.textContent = 'Please enter a valid number for Tare Weight.'; tareWeightInput.style.borderColor = 'red'; isValid = false; } else if (tareWeight < 0) { tareWeightError.textContent = 'Tare Weight cannot be negative.'; tareWeightInput.style.borderColor = 'red'; isValid = false; } if (!isValid) { grossWeightResult.textContent = '–'; resultNetWeight.textContent = '–'; resultTareWeight.textContent = '–'; resultComponentBreakdown.textContent = '–'; tableNetWeight.textContent = '–'; tableTareWeight.textContent = '–'; tableGrossWeight.textContent = '–'; tableNetPercentage.textContent = '–'; tableTarePercentage.textContent = '–'; return; } var grossWeight = netWeight + tareWeight; var netPercentage = (netWeight / grossWeight) * 100; var tarePercentage = (tareWeight / grossWeight) * 100; grossWeightResult.textContent = grossWeight.toFixed(2); resultNetWeight.textContent = netWeight.toFixed(2); resultTareWeight.textContent = tareWeight.toFixed(2); resultComponentBreakdown.textContent = netPercentage.toFixed(2) + '% Net, ' + tarePercentage.toFixed(2) + '% Tare'; tableNetWeight.textContent = netWeight.toFixed(2); tableTareWeight.textContent = tareWeight.toFixed(2); tableGrossWeight.textContent = grossWeight.toFixed(2); tableNetPercentage.textContent = netPercentage.toFixed(2) + '%'; tableTarePercentage.textContent = tarePercentage.toFixed(2) + '%'; updateChart(netWeight, tareWeight, grossWeight); } function resetCalculator() { document.getElementById('netWeight').value = ''; document.getElementById('tareWeight').value = ''; document.getElementById('netWeightError').textContent = ''; document.getElementById('tareWeightError').textContent = ''; document.getElementById('netWeight').style.borderColor = '#ddd'; document.getElementById('tareWeight').style.borderColor = '#ddd'; document.getElementById('grossWeightResult').textContent = '–'; document.getElementById('resultNetWeight').textContent = '–'; document.getElementById('resultTareWeight').textContent = '–'; document.getElementById('resultComponentBreakdown').textContent = '–'; document.getElementById('tableNetWeight').textContent = '–'; document.getElementById('tableTareWeight').textContent = '–'; document.getElementById('tableGrossWeight').textContent = '–'; document.getElementById('tableNetPercentage').textContent = '–'; document.getElementById('tableTarePercentage').textContent = '–'; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } var canvas = document.getElementById('weightChart'); var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear canvas content } function copyResults() { var grossWeight = document.getElementById('grossWeightResult').textContent; var netWeight = document.getElementById('resultNetWeight').textContent; var tareWeight = document.getElementById('resultTareWeight').textContent; var componentBreakdown = document.getElementById('resultComponentBreakdown').textContent; if (grossWeight === '–') { alert("No results to copy yet. Please perform a calculation."); return; } var textToCopy = "KG to Gross Weight Calculation Results:\n"; textToCopy += "————————————–\n"; textToCopy += "Gross Weight: " + grossWeight + " kg\n"; textToCopy += "Net Weight: " + netWeight + " kg\n"; textToCopy += "Tare Weight: " + tareWeight + " kg\n"; textToCopy += "Component Breakdown: " + componentBreakdown + "\n\n"; textToCopy += "Formula Used: Gross Weight = Net Weight + Tare Weight"; navigator.clipboard.writeText(textToCopy).then(function() { // Success feedback could be added here, e.g., a temporary message console.log('Results copied successfully!'); }, function(err) { console.error('Failed to copy results: ', err); // Fallback for older browsers or environments where clipboard API isn't available var textArea = document.createElement("textarea"); textArea.value = textToCopy; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { document.execCommand('copy'); console.log('Fallback copy successful!'); } catch (e) { console.error('Fallback copy failed: ', e); alert("Could not copy text. Please copy manually."); } document.body.removeChild(textArea); }); } function updateChart(netWeight, tareWeight, grossWeight) { var ctx = document.getElementById('weightChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } // Set canvas dimensions dynamically var chartContainer = document.getElementById('chart-container'); var canvas = document.getElementById('weightChart'); canvas.width = chartContainer.clientWidth * 0.8; // Adjust multiplier as needed canvas.height = canvas.width * 0.6; // Maintain aspect ratio chartInstance = new Chart(ctx, { type: 'bar', // Use 'bar' for stacked bar or 'pie' for pie chart data: { labels: ['Weight Components'], datasets: [{ label: 'Net Weight', data: [netWeight], backgroundColor: 'rgba(0, 74, 153, 0.7)', // Primary Color variation borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1 }, { label: 'Tare Weight', data: [tareWeight], backgroundColor: 'rgba(40, 167, 69, 0.7)', // Success Color variation borderColor: 'rgba(40, 167, 69, 1)', borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, // Allow custom aspect ratio scales: { x: { stacked: true, // Stack bars for components ticks: { display: false // Hide x-axis labels for single category }, grid: { display: false // Hide grid lines for x-axis } }, y: { stacked: true, beginAtZero: true, title: { display: true, text: 'Weight (kg)' }, ticks: { callback: function(value) { // Format ticks if needed, e.g., add units return value.toFixed(0); } } } }, plugins: { legend: { 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) + ' kg'; } return label; } } } } } }); } // Initial calculation on page load if inputs have default values (optional) // calculateGrossWeight();

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