Dhl Calculate Dimensional Weight

DHL Dimensional Weight Calculator & Guide :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #dee2e6; –shadow-color: rgba(0, 0, 0, 0.1); –input-bg: #ffffff; –result-bg: #e9ecef; } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: var(–text-color); background-color: var(–background-color); margin: 0; padding: 0; display: flex; justify-content: center; padding: 20px; } .container { max-width: 960px; width: 100%; background-color: #ffffff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px var(–shadow-color); display: flex; flex-direction: column; gap: 30px; } header { text-align: center; border-bottom: 1px solid var(–border-color); padding-bottom: 20px; margin-bottom: 10px; } h1, h2, h3 { color: var(–primary-color); } h1 { font-size: 2.2em; margin-bottom: 10px; } h2 { font-size: 1.8em; margin-top: 30px; border-bottom: 2px solid var(–primary-color); padding-bottom: 5px; } h3 { font-size: 1.4em; margin-top: 25px; color: var(–primary-color); } .calculator-section { background-color: var(–background-color); padding: 25px; border-radius: 6px; border: 1px solid var(–border-color); } .calculator-section h2 { margin-top: 0; border-bottom: none; margin-bottom: 20px; text-align: center; } .loan-calc-container { display: flex; flex-direction: column; gap: 20px; } .input-group { display: flex; flex-direction: column; gap: 8px; } .input-group label { font-weight: 600; font-size: 0.95em; } .input-group input[type="number"], .input-group input[type="text"], .input-group select { padding: 12px; border: 1px solid var(–border-color); border-radius: 4px; font-size: 1em; background-color: var(–input-bg); transition: border-color 0.3s ease; } .input-group input:focus, .input-group select:focus { outline: none; border-color: var(–primary-color); } .input-group .helper-text { font-size: 0.85em; color: #6c757d; } .error-message { color: #dc3545; font-size: 0.85em; margin-top: 5px; min-height: 1.2em; /* To prevent layout shifts */ } .button-group { display: flex; gap: 15px; margin-top: 15px; } .btn { padding: 12px 20px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; font-weight: 600; transition: background-color 0.3s ease, transform 0.2s ease; flex-grow: 1; text-align: center; } .btn-primary { background-color: var(–primary-color); color: white; } .btn-primary:hover { background-color: #003366; transform: translateY(-1px); } .btn-secondary { background-color: #6c757d; color: white; } .btn-secondary:hover { background-color: #5a6268; transform: translateY(-1px); } .btn-success { background-color: var(–success-color); color: white; } .btn-success:hover { background-color: #218838; transform: translateY(-1px); } #result { background-color: var(–result-bg); padding: 20px; border-radius: 6px; border: 1px solid var(–border-color); text-align: center; margin-top: 20px; } #result h3 { margin-top: 0; font-size: 1.6em; color: var(–primary-color); margin-bottom: 15px; } .result-item { font-size: 1.1em; margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(–border-color); } .result-item:last-child { border-bottom: none; } .result-item strong { color: var(–primary-color); } .main-result { font-size: 1.8em; font-weight: bold; color: var(–success-color); margin-top: 10px; display: block; background-color: #d4edda; padding: 15px; border-radius: 5px; } .formula-explanation { font-size: 0.9em; color: #555; margin-top: 15px; padding-top: 10px; border-top: 1px solid var(–border-color); text-align: left; } table { width: 100%; border-collapse: collapse; margin-top: 20px; margin-bottom: 30px; box-shadow: 0 2px 8px var(–shadow-color); } th, td { padding: 12px 15px; text-align: left; border: 1px solid var(–border-color); } th { background-color: var(–primary-color); color: white; font-weight: 600; } tr:nth-child(even) { background-color: #f2f2f2; } tr:hover { background-color: #e9ecef; } caption { font-size: 1.1em; font-weight: 600; color: var(–primary-color); margin-bottom: 10px; text-align: left; } canvas { max-width: 100%; height: auto; margin-top: 20px; border: 1px solid var(–border-color); background-color: #fff; border-radius: 4px; } .article-section { margin-top: 30px; background-color: #ffffff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 8px var(–shadow-color); } .article-section p { margin-bottom: 15px; } .article-section ul, .article-section ol { margin-left: 20px; margin-bottom: 15px; } .article-section li { margin-bottom: 8px; } .internal-links { margin-top: 30px; padding: 20px; background-color: var(–background-color); border-radius: 6px; border: 1px solid var(–border-color); } .internal-links h3 { margin-top: 0; color: var(–primary-color); text-align: center; margin-bottom: 20px; } .internal-links ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 15px; } .internal-links li { background-color: #ffffff; padding: 15px; border-radius: 5px; border: 1px solid var(–border-color); box-shadow: 0 1px 4px var(–shadow-color); } .internal-links a { color: var(–primary-color); text-decoration: none; font-weight: 600; font-size: 1.1em; display: block; transition: color 0.3s ease; } .internal-links a:hover { color: #003366; } .internal-links p { font-size: 0.9em; color: #555; margin-top: 5px; margin-bottom: 0; } .main-result-highlight { font-size: 2.2em; font-weight: bold; color: var(–success-color); display: block; margin-top: 10px; } .tooltip { position: relative; display: inline-block; cursor: help; border-bottom: 1px dotted #6c757d; } .tooltip .tooltiptext { visibility: hidden; width: 220px; background-color: #555; color: #fff; text-align: center; border-radius: 6px; padding: 5px 8px; position: absolute; z-index: 1; bottom: 125%; left: 50%; margin-left: -110px; opacity: 0; transition: opacity 0.3s; font-size: 0.85em; line-height: 1.4; } .tooltip .tooltiptext::after { content: ""; position: absolute; top: 100%; left: 50%; margin-left: -5px; border-width: 5px; border-style: solid; border-color: #555 transparent transparent transparent; } .tooltip:hover .tooltiptext { visibility: visible; opacity: 1; }

DHL Dimensional Weight Calculator

Accurately calculate your DHL dimensional weight to ensure correct shipping charges.

Calculate Dimensional Weight

Enter the longest dimension of your package in centimeters.
Enter the second longest dimension of your package in centimeters.
Enter the shortest dimension of your package in centimeters.
5000 (Standard for DHL) 6000 (Used by some carriers, e.g., UPS) 139 (Used by some carriers, e.g., USPS)
Select the divisor used by your shipping carrier. 5000 is standard for DHL.

Your Shipping Calculation

Calculated Volume (cm³)
Dimensional Weight (kg)
Actual Weight (kg)
Chargeable Weight (kg)
DHL Standard Divisor
Chargeable Weight: kg
Formula:
1. Volume = Length × Width × Height
2. Dimensional Weight = Volume / Divisor
3. Chargeable Weight = Maximum of (Actual Weight, Dimensional Weight)
The shipping carrier will charge based on the higher of the actual weight or the dimensional weight.

What is DHL Dimensional Weight?

DHL dimensional weight, often referred to as "volumetric weight" or "DIM weight," is a pricing technique used by shipping carriers like DHL to determine the shipping cost of a package. It accounts for the space a package occupies in a delivery vehicle, not just its actual physical weight. Because large, lightweight items can take up significant space and therefore incur costs for the carrier, DHL uses dimensional weight to reflect this. If a package's calculated dimensional weight is greater than its actual weight, the carrier will charge you based on the dimensional weight.

Who Should Use It? Anyone shipping packages with DHL, especially those sending items that are large but relatively light (e.g., bulky electronics, bedding, apparel in large boxes). Understanding dimensional weight is crucial for businesses and individuals alike to accurately estimate shipping costs, avoid unexpected surcharges, and potentially optimize packaging to reduce expenses.

Common Misconceptions:

  • Dimensional weight is always higher than actual weight: This is false. For dense, heavy items, the actual weight will typically be higher, and you'll be charged based on that.
  • All carriers use the same divisor: This is incorrect. While DHL commonly uses a divisor of 5000, other carriers might use different values (e.g., 6000 or 139), leading to different dimensional weights for the same package.
  • It only applies to international shipping: Dimensional weight pricing applies to both domestic and international shipments depending on the carrier and service level.

DHL Dimensional Weight Formula and Mathematical Explanation

The calculation of dimensional weight is straightforward and involves three key steps. It aims to provide a standardized way for carriers to price shipments based on their volume.

The Core Formula

The primary calculation for DHL dimensional weight involves determining the package's volume and then dividing it by a specific divisor.

Step 1: Calculate Package Volume
Volume = Length × Width × Height
Step 2: Calculate Dimensional Weight
Dimensional Weight = Volume / Divisor
Step 3: Determine Chargeable Weight
Chargeable Weight = Maximum (Actual Weight, Dimensional Weight)

DHL primarily uses a divisor of 5000 cubic centimeters per kilogram for its standard services. However, it's essential to confirm the exact divisor for the specific service and region you are using, as variations exist.

Variable Explanations

Understanding each component is key:

  • Length: The longest dimension of your package.
  • Width: The second longest dimension of your package.
  • Height: The shortest dimension of your package.
  • Volume: The total space enclosed by the package dimensions, typically measured in cubic centimeters (cm³).
  • Divisor: A standardized number set by the carrier. For DHL, this is commonly 5000 (cm³/kg). This number converts the volume into a weight equivalent. A lower divisor means a higher dimensional weight for the same volume.
  • Actual Weight: The true weight of the package as measured on a scale, usually in kilograms (kg).
  • Dimensional Weight: The calculated weight based on the package's dimensions and the carrier's divisor.
  • Chargeable Weight: The weight that DHL will use to calculate your shipping cost. It is always the greater of the actual weight or the dimensional weight.

Variables Table

Shipping Variables and Their Meaning
Variable Meaning Unit Typical Range/Values
Length Longest dimension of the package cm > 0
Width Second longest dimension of the package cm > 0
Height Shortest dimension of the package cm > 0
Volume Total space occupied by the package cm³ Length × Width × Height
Divisor Carrier-specific factor to convert volume to weight cm³/kg Commonly 5000 for DHL; others exist (e.g., 6000, 139)
Actual Weight Physical weight of the package kg > 0
Dimensional Weight Weight equivalent based on package size kg Volume / Divisor
Chargeable Weight The weight used for billing kg max(Actual Weight, Dimensional Weight)

Practical Examples (Real-World Use Cases)

Let's illustrate how dimensional weight affects shipping costs with practical scenarios using the DHL standard divisor of 5000.

Example 1: Bulky but Lightweight Item

You are shipping a large, empty decorative vase for a craft project. The vase itself is very light.

  • Package Dimensions: Length = 60 cm, Width = 30 cm, Height = 40 cm
  • Actual Weight: 2.5 kg
  • DHL Divisor: 5000

Calculation:

  1. Volume = 60 cm × 30 cm × 40 cm = 72,000 cm³
  2. Dimensional Weight = 72,000 cm³ / 5000 = 14.4 kg
  3. Chargeable Weight = Maximum (2.5 kg, 14.4 kg) = 14.4 kg

Interpretation: Even though the vase only weighs 2.5 kg, its large size means DHL will charge you based on a weight of 14.4 kg. This highlights the importance of considering dimensions, especially for lightweight, bulky items.

Example 2: Dense and Heavy Item

You are shipping a small, heavy metal component.

  • Package Dimensions: Length = 15 cm, Width = 10 cm, Height = 8 cm
  • Actual Weight: 10 kg
  • DHL Divisor: 5000

Calculation:

  1. Volume = 15 cm × 10 cm × 8 cm = 1,200 cm³
  2. Dimensional Weight = 1,200 cm³ / 5000 = 0.24 kg
  3. Chargeable Weight = Maximum (10 kg, 0.24 kg) = 10 kg

Interpretation: In this case, the actual weight (10 kg) is significantly higher than the dimensional weight (0.24 kg). DHL will therefore charge you based on the actual weight of 10 kg. The package's small size doesn't significantly impact the cost beyond its physical mass.

Example 3: Near Threshold

Shipping a moderately sized electronics item.

  • Package Dimensions: Length = 45 cm, Width = 25 cm, Height = 20 cm
  • Actual Weight: 8 kg
  • DHL Divisor: 5000

Calculation:

  1. Volume = 45 cm × 25 cm × 20 cm = 22,500 cm³
  2. Dimensional Weight = 22,500 cm³ / 5000 = 4.5 kg
  3. Chargeable Weight = Maximum (8 kg, 4.5 kg) = 8 kg

Interpretation: The actual weight is still higher, so the charge is based on 8 kg. This package is large enough that dimensional weight is a consideration, but not dominant.

Interactive Dimensional Weight Chart

See how changing dimensions and actual weight impacts the chargeable weight.

Chargeable Weight vs. Package Size & Actual Weight

How to Use This DHL Dimensional Weight Calculator

Our calculator simplifies the process of determining your DHL dimensional weight and, consequently, your chargeable weight. Follow these simple steps:

Step-by-Step Instructions:

  1. Measure Your Package: Carefully measure the Length (longest side), Width (second longest side), and Height (shortest side) of your package in centimeters (cm).
  2. Enter Dimensions: Input these measurements into the 'Length (cm)', 'Width (cm)', and 'Height (cm)' fields in the calculator.
  3. Input Actual Weight: Enter the actual physical weight of your package in kilograms (kg) into the 'Actual Weight (kg)' field.
  4. Select Divisor: Choose the correct divisor based on your carrier. For DHL, the standard is 5000. If you are using a different carrier or service that specifies another divisor (like 6000 or 139), select that option.
  5. Calculate: Click the "Calculate" button.

How to Read the Results:

  • Calculated Volume: Shows the total cubic centimeters (cm³) of your package.
  • Dimensional Weight: Displays the calculated weight in kg based on dimensions and the selected divisor.
  • Actual Weight: Reiterates the physical weight you entered.
  • Chargeable Weight: This is the crucial figure. It shows the higher value between your Actual Weight and the calculated Dimensional Weight. This is the weight DHL will use for billing.
  • Main Highlighted Result: The final "Chargeable Weight" is prominently displayed for immediate clarity.

Decision-Making Guidance:

  • If Chargeable Weight = Actual Weight: Your package's density is high enough that its physical weight determines the cost.
  • If Chargeable Weight = Dimensional Weight: Your package is bulky for its weight. You might consider re-packaging into a smaller box to save on shipping costs if feasible.
  • Use the Chart: The dynamic chart helps visualize how changes in dimensions or actual weight affect the final chargeable weight, aiding in packaging decisions.

Use the "Copy Results" button to easily share or record the calculated details.

Key Factors That Affect DHL Dimensional Weight Results

While the calculation itself is simple math, several underlying factors influence the outcome and your overall shipping costs significantly. Understanding these helps in making informed decisions.

  1. Package Dimensions (L x W x H):

    This is the most direct factor. Larger dimensions directly increase the calculated volume, subsequently increasing the dimensional weight. Optimizing packaging to the smallest feasible box size is paramount for bulky items.

  2. Carrier's Divisor:

    As seen, different carriers or even different service levels within a carrier might use different divisors (e.g., 5000 vs. 6000). A smaller divisor results in a higher dimensional weight. Always verify the correct divisor for your specific shipment with DHL or your chosen carrier.

  3. Actual Weight of the Item:

    This is the other half of the equation. For heavy items, the actual weight will likely be the deciding factor for the chargeable weight. The dimensional calculation becomes less relevant.

  4. Type of Goods Being Shipped:

    Certain items are inherently bulky and light (e.g., pillows, electronics in large casings, foam products), making them susceptible to higher dimensional weight charges. Dense items (e.g., metal parts, books) are less affected.

  5. Packaging Material and Strategy:

    The choice of box size and cushioning material can impact final dimensions. Using a box that is excessively large for the item will inflate the dimensional weight. Efficient packing minimizes wasted space.

  6. Shipping Service Level:

    While DHL's standard divisor is often 5000, express or specialized services might have different pricing structures or dimensional weight rules. Always check the terms for the specific service chosen.

  7. Fuel Surcharges and Other Fees:

    While not directly part of the dimensional weight calculation, these common surcharges are often calculated based on the chargeable weight (or total shipment cost). Thus, a higher chargeable weight due to dimensional factors indirectly increases these additional fees as well.

Frequently Asked Questions (FAQ)

Q1: Does DHL always use 5000 as the divisor?

For most standard international and domestic parcel services, DHL uses a divisor of 5000 cm³/kg. However, it's crucial to check the specific terms and conditions for your chosen service or region, as some exceptions or specialized services might apply different divisors.

Q2: How can I reduce my DHL shipping costs related to dimensional weight?

The primary strategy is to minimize the volume of your package. Use the smallest possible box that safely fits your item, avoid excessive cushioning that adds bulk, and consider consolidating multiple items into a single, efficiently packed shipment if appropriate.

Q3: What if my package is irregularly shaped?

For irregularly shaped items, carriers like DHL typically require you to measure the length, width, and height that encompass the object at its widest points. It's best to package such items securely within a rectangular box or container to simplify measurement and ensure accurate calculation.

Q4: Is dimensional weight the same as actual weight?

No. Actual weight is the physical weight measured on a scale. Dimensional weight is a calculated weight based on the package's dimensions. The shipping cost is based on whichever of these two values is higher (the chargeable weight).

Q5: Does the calculator handle different units (e.g., inches, pounds)?

This calculator is specifically designed for metric units: centimeters (cm) for dimensions and kilograms (kg) for weight, aligning with DHL's common practices. If you have measurements in other units, you'll need to convert them first.

Q6: What is the maximum size/weight DHL accepts?

DHL has limits for standard parcel services, often around 70 kg and dimensions up to 120 cm x 80 cm x 60 cm. For larger or heavier shipments, you would typically need to use DHL's freight or specialized services, which have different rules and pricing.

Q7: How often do carriers change their dimensional weight divisors?

While not extremely frequent, carriers do review and sometimes update their divisors. This usually happens in response to market conditions, rising operational costs, or competitive pressures. It's good practice to periodically check the latest guidelines from DHL.

Q8: Should I round up my dimensions or weight?

It is best practice to measure as accurately as possible. If you must round, rounding to the nearest whole number or a common decimal increment (like 0.5) is usually acceptable. However, always use the most precise measurements you can obtain to avoid unexpected charges.

var chartInstance = null; // Global variable to hold the chart instance function calculateDimensionalWeight() { // Input validation and retrieval var lengthInput = document.getElementById("length"); var widthInput = document.getElementById("width"); var heightInput = document.getElementById("height"); var divisorSelect = document.getElementById("divisor"); var actualWeightInput = document.getElementById("actualWeightInput"); // Assuming this is an input field now var lengthError = document.getElementById("lengthError"); var widthError = document.getElementById("widthError"); var heightError = document.getElementById("heightError"); var volumeSpan = document.getElementById("volume"); var dimensionalWeightSpan = document.getElementById("dimensionalWeight"); var chargeableWeightSpan = document.getElementById("chargeableWeight"); var finalChargeableWeightSpan = document.getElementById("finalChargeableWeight"); var divisorValueSpan = document.getElementById("divisorValue"); // Clear previous errors lengthError.textContent = ""; widthError.textContent = ""; heightError.textContent = ""; var length = parseFloat(lengthInput.value); var width = parseFloat(widthInput.value); var height = parseFloat(heightInput.value); var divisor = parseFloat(divisorSelect.value); var actualWeight = parseFloat(actualWeightInput.value); // Get actual weight value var isValid = true; if (isNaN(length) || length <= 0) { lengthError.textContent = "Please enter a valid positive number for length."; isValid = false; } if (isNaN(width) || width <= 0) { widthError.textContent = "Please enter a valid positive number for width."; isValid = false; } if (isNaN(height) || height <= 0) { heightError.textContent = "Please enter a valid positive number for height."; isValid = false; } if (isNaN(actualWeight) || actualWeight 0) { document.getElementById("actualWeightInput").value = actualWeight.toFixed(2) + " kg"; // Display formatted actual weight in the result section chargeableWeightSpan.textContent = actualWeight.toFixed(2) + " kg"; // Show actual weight here for clarity } else { document.getElementById("actualWeightInput").value = ""; // Clear if invalid document.getElementById("actualWeightInput").placeholder = "Enter Actual Weight (kg)"; chargeableWeightSpan.textContent = "–"; // Show placeholder if invalid actual weight } finalChargeableWeightSpan.textContent = determinedChargeableWeight.toFixed(2) + " kg"; // Update chart data updateChart(actualWeight, dimensionalWeight, determinedChargeableWeight); } function updateActualWeightInputDisplay() { var actualWeightInput = document.getElementById("actualWeightInput"); var actualWeight = parseFloat(actualWeightInput.value); if (!isNaN(actualWeight) && actualWeight > 0) { actualWeightInput.value = actualWeight.toFixed(2) + " kg"; } else { actualWeightInput.value = ""; // Clear if invalid actualWeightInput.placeholder = "Enter Actual Weight (kg)"; } calculateDimensionalWeight(); // Recalculate when actual weight changes } function resetCalculator() { document.getElementById("length").value = ""; document.getElementById("width").value = ""; document.getElementById("height").value = ""; document.getElementById("divisor").value = "5000"; document.getElementById("actualWeightInput").value = ""; // Reset actual weight input field document.getElementById("actualWeightInput").placeholder = "Enter Actual Weight (kg)"; document.getElementById("lengthError").textContent = ""; document.getElementById("widthError").textContent = ""; document.getElementById("heightError").textContent = ""; document.getElementById("volume").textContent = "–"; document.getElementById("dimensionalWeight").textContent = "–"; document.getElementById("actualWeightInput").textContent = "–"; // Reset in results area document.getElementById("chargeableWeight").textContent = "–"; document.getElementById("finalChargeableWeight").textContent = "–"; document.getElementById("divisorValue").textContent = "5000"; // Clear the chart if (chartInstance) { chartInstance.destroy(); chartInstance = null; } var ctx = document.getElementById("dimWeightChart").getContext("2d"); ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height); } function copyResults() { var volume = document.getElementById("volume").textContent; var dimensionalWeight = document.getElementById("dimensionalWeight").textContent; var actualWeightDisplayed = document.getElementById("actualWeightInput").textContent; // Get from result display var chargeableWeight = document.getElementById("chargeableWeight").textContent; var finalChargeableWeight = document.getElementById("finalChargeableWeight").textContent; var divisorValue = document.getElementById("divisorValue").textContent; // Construct the text to copy var resultText = "DHL Dimensional Weight Calculation Results:\n"; resultText += "—————————————-\n"; resultText += "Volume: " + volume + "\n"; resultText += "Dimensional Weight: " + dimensionalWeight + "\n"; resultText += "Actual Weight: " + actualWeightDisplayed + "\n"; resultText += "Chargeable Weight: " + chargeableWeight + "\n"; resultText += "Selected Divisor: " + divisorValue + "\n"; resultText += "========================================\n"; resultText += "Final Chargeable Weight: " + finalChargeableWeight + "\n"; resultText += "—————————————-\n"; resultText += "Calculated using the formula: Volume = L*W*H; Dim Weight = Volume / Divisor; Chargeable Weight = Max(Actual, Dim)"; // Use a temporary textarea to copy to clipboard var textArea = document.createElement("textarea"); textArea.value = resultText; textArea.style.position = "fixed"; textArea.style.top = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied successfully!' : 'Failed to copy results.'; // Optional: Show a temporary confirmation message var tempAlert = document.createElement('div'); tempAlert.textContent = msg; tempAlert.style.position = 'fixed'; tempAlert.style.bottom = '20px'; tempAlert.style.left = '50%'; tempAlert.style.transform = 'translateX(-50%)'; tempAlert.style.backgroundColor = successful ? '#28a745' : '#dc3545'; tempAlert.style.color = 'white'; tempAlert.style.padding = '10px 20px'; tempAlert.style.borderRadius = '5px'; tempAlert.style.zIndex = '1000'; document.body.appendChild(tempAlert); setTimeout(function() { document.body.removeChild(tempAlert); }, 3000); } catch (err) { console.error('Unable to copy results.', err); var tempAlert = document.createElement('div'); tempAlert.textContent = 'Copying failed. Please copy manually.'; tempAlert.style.position = 'fixed'; tempAlert.style.bottom = '20px'; tempAlert.style.left = '50%'; tempAlert.style.transform = 'translateX(-50%)'; tempAlert.style.backgroundColor = '#dc3545'; tempAlert.style.color = 'white'; tempAlert.style.padding = '10px 20px'; tempAlert.style.borderRadius = '5px'; tempAlert.style.zIndex = '1000'; document.body.appendChild(tempAlert); setTimeout(function() { document.body.removeChild(tempAlert); }, 3000); } document.body.removeChild(textArea); } // Initialize actual weight input display and calculation on load document.addEventListener('DOMContentLoaded', function() { var actualWeightInput = document.getElementById("actualWeightInput"); actualWeightInput.addEventListener("input", function() { updateActualWeightInputDisplay(); }); // Also trigger initial calculation if values are pre-filled or just to set placeholders correctly calculateDimensionalWeight(); }); // Charting Logic function initChart() { var ctx = document.getElementById("dimWeightChart").getContext("2d"); // Define initial data points (can be empty or placeholder) var labels = ['0′, '50', '100', '150', '200', '250', '300']; // Example volume ranges var actualWeightData = [0, 0, 0, 0, 0, 0, 0]; // Placeholder for actual weight line var dimWeightData = [0, 0, 0, 0, 0, 0, 0]; // Placeholder for dimensional weight line var chargeableWeightData = [0, 0, 0, 0, 0, 0, 0]; // Placeholder for chargeable weight line chartInstance = new Chart(ctx, { type: 'line', data: { labels: labels, datasets: [ { label: 'Actual Weight (kg)', data: actualWeightData, borderColor: 'rgba(255, 99, 132, 1)', backgroundColor: 'rgba(255, 99, 132, 0.2)', fill: false, tension: 0.1, pointRadius: 4, pointHoverRadius: 6 }, { label: 'Dimensional Weight (kg)', data: dimWeightData, borderColor: 'rgba(54, 162, 235, 1)', backgroundColor: 'rgba(54, 162, 235, 0.2)', fill: false, tension: 0.1, pointRadius: 4, pointHoverRadius: 6 }, { label: 'Chargeable Weight (kg)', data: chargeableWeightData, borderColor: 'rgba(75, 192, 192, 1)', backgroundColor: 'rgba(75, 192, 192, 0.2)', fill: false, tension: 0.1, pointRadius: 4, pointHoverRadius: 6 } ] }, options: { responsive: true, maintainAspectRatio: true, scales: { x: { title: { display: true, text: 'Volume (x1000 cm³)' } }, y: { title: { display: true, text: 'Weight (kg)' }, beginAtZero: true } }, plugins: { tooltip: { mode: 'index', intersect: false, }, legend: { position: 'top', } }, hover: { mode: 'index', intersect: false } } }); } function updateChart(actualWeight, dimensionalWeight, chargeableWeight) { if (!chartInstance) { initChart(); // Initialize chart if it doesn't exist } // Let's simulate data points for the chart based on the current input. // For simplicity, we'll assume the chart shows the relationship for *current* inputs, // rather than plotting multiple scenarios. If you need to plot multiple scenarios, // the logic would be more complex, potentially involving loops and user-defined scenarios. // For a dynamic chart showing *how* the values are derived from inputs, // it's common to plot theoretical lines or specific points. // Here, we'll plot the single calculated point and perhaps some reference points. var divisor = parseFloat(document.getElementById("divisor").value); var length = parseFloat(document.getElementById("length").value); var width = parseFloat(document.getElementById("width").value); var height = parseFloat(document.getElementById("height").value); // Generate some sample volume points for the x-axis var sampleVolumes = [0, 10000, 20000, 30000, 40000, 50000, 60000, 70000, 80000, 90000, 100000]; // In cm³ var chartLabels = sampleVolumes.map(function(vol) { return (vol / 1000).toFixed(0); }); // Labels in thousands var newActualWeightData = []; var newDimWeightData = []; var newChargeableWeightData = []; for (var i = 0; i < sampleVolumes.length; i++) { var vol = sampleVolumes[i]; // Calculate dimensional weight for this volume var currentDimWeight = vol / divisor; // Chargeable weight is the max of actual weight and this dimensional weight var currentChargeableWeight = Math.max(actualWeight, currentDimWeight); newDimWeightData.push(currentDimWeight.toFixed(2)); newActualWeightData.push(actualWeight.toFixed(2)); // Actual weight is constant for the line newChargeableWeightData.push(currentChargeableWeight.toFixed(2)); } // Update the chart datasets if (chartInstance) { chartInstance.data.labels = chartLabels; chartInstance.data.datasets[0].data = newActualWeightData; // Actual Weight Line chartInstance.data.datasets[1].data = newDimWeightData; // Dimensional Weight Line chartInstance.data.datasets[2].data = newChargeableWeightData; // Chargeable Weight Line chartInstance.update(); } } // Initial chart rendering on page load document.addEventListener('DOMContentLoaded', initChart); // Trigger calculation when inputs change document.getElementById("length").addEventListener("input", calculateDimensionalWeight); document.getElementById("width").addEventListener("input", calculateDimensionalWeight); document.getElementById("height").addEventListener("input", calculateDimensionalWeight); document.getElementById("divisor").addEventListener("change", calculateDimensionalWeight); // actualWeightInput listener is handled in updateActualWeightInputDisplay

Leave a Comment