DHL Dimensional Weight Calculator – Calculate Shipping Costs Accurately
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
line-height: 1.6;
color: #333;
background-color: #f8f9fa;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
align-items: center;
}
.container {
width: 100%;
max-width: 960px;
margin: 20px auto;
padding: 20px;
background-color: #ffffff;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
border-radius: 8px;
}
header {
background-color: #004a99;
color: #ffffff;
padding: 20px 0;
text-align: center;
width: 100%;
margin-bottom: 20px;
border-radius: 8px 8px 0 0;
}
h1, h2, h3 {
color: #004a99;
}
.loan-calc-container {
border: 1px solid #e0e0e0;
padding: 25px;
border-radius: 8px;
margin-bottom: 30px;
background-color: #ffffff;
}
.input-group {
margin-bottom: 20px;
text-align: left;
}
.input-group label {
display: block;
margin-bottom: 8px;
font-weight: bold;
color: #555;
}
.input-group input,
.input-group select {
width: calc(100% – 20px);
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 1rem;
margin-bottom: 5px;
}
.input-group input:focus,
.input-group select:focus {
border-color: #004a99;
outline: none;
box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2);
}
.input-group small {
display: block;
color: #6c757d;
font-size: 0.85rem;
margin-top: 5px;
}
.error-message {
color: #dc3545;
font-size: 0.85rem;
margin-top: 5px;
display: none; /* Hidden by default */
}
.button-group {
display: flex;
justify-content: space-between;
margin-top: 25px;
gap: 10px;
}
button {
background-color: #004a99;
color: #ffffff;
border: none;
padding: 12px 25px;
border-radius: 5px;
cursor: pointer;
font-size: 1rem;
transition: background-color 0.3s ease;
flex: 1;
}
button.secondary {
background-color: #6c757d;
}
button:hover {
background-color: #003366;
}
button.secondary:hover {
background-color: #5a6268;
}
.results-container {
margin-top: 30px;
padding: 20px;
border: 1px solid #dee2e6;
border-radius: 8px;
background-color: #e9ecef;
}
.results-container h3 {
margin-top: 0;
color: #004a99;
text-align: center;
margin-bottom: 20px;
}
.result-item {
display: flex;
justify-content: space-between;
padding: 10px 0;
border-bottom: 1px dashed #ccc;
font-size: 1rem;
}
.result-item:last-child {
border-bottom: none;
}
.result-item strong {
color: #333;
}
.result-item span {
font-weight: bold;
color: #007bff;
}
.primary-result {
font-size: 1.5rem;
font-weight: bold;
background-color: #28a745;
color: #ffffff;
padding: 15px;
border-radius: 5px;
text-align: center;
margin-bottom: 20px;
box-shadow: 0 2px 5px rgba(40, 167, 69, 0.5);
}
#chartContainer {
margin-top: 30px;
padding: 20px;
border: 1px solid #dee2e6;
border-radius: 8px;
background-color: #ffffff;
text-align: center;
}
caption {
font-style: italic;
color: #6c757d;
margin-bottom: 10px;
font-size: 0.9rem;
}
table {
width: 100%;
border-collapse: collapse;
margin-bottom: 20px;
}
th, td {
border: 1px solid #dee2e6;
padding: 10px;
text-align: right;
}
th {
background-color: #e9ecef;
font-weight: bold;
text-align: center;
}
.formula-explanation {
margin-top: 15px;
padding: 15px;
background-color: #f1f1f1;
border-radius: 5px;
font-size: 0.95rem;
border-left: 4px solid #004a99;
}
.formula-explanation h4 {
margin-top: 0;
margin-bottom: 10px;
color: #004a99;
}
.content-section {
margin-top: 40px;
padding-top: 30px;
border-top: 1px solid #eee;
}
.content-section h2 {
margin-bottom: 15px;
text-align: center;
}
.content-section h3 {
margin-top: 25px;
margin-bottom: 10px;
}
.content-section p {
margin-bottom: 15px;
}
.faq-item {
margin-bottom: 15px;
}
.faq-item h4 {
margin-bottom: 5px;
cursor: pointer;
color: #004a99;
display: flex;
justify-content: space-between;
align-items: center;
}
.faq-item h4::after {
content: '+';
font-size: 1.2em;
transition: transform 0.3s ease;
}
.faq-item.open h4::after {
transform: rotate(45deg);
}
.faq-item div {
display: none;
padding-top: 10px;
color: #555;
}
.content-section ul {
list-style-type: disc;
padding-left: 20px;
margin-bottom: 15px;
}
.content-section li {
margin-bottom: 8px;
}
.internal-links-list {
list-style: none;
padding: 0;
}
.internal-links-list li {
margin-bottom: 15px;
padding-bottom: 10px;
border-bottom: 1px solid #eee;
}
.internal-links-list li:last-child {
border-bottom: none;
padding-bottom: 0;
}
.internal-links-list a {
color: #004a99;
text-decoration: none;
font-weight: bold;
}
.internal-links-list a:hover {
text-decoration: underline;
}
.internal-links-list span {
display: block;
font-size: 0.9rem;
color: #666;
margin-top: 5px;
}
@media (max-width: 768px) {
.container {
padding: 15px;
}
.button-group {
flex-direction: column;
}
button {
width: 100%;
}
}
Calculate Your Shipping Dimensional Weight
Your Shipping Details
Actual Weight:
N/A
Volume:
N/A
Dimensional Weight:
N/A
Billable Weight:
N/A
Dimensional vs. Actual Weight Comparison
Comparison of your actual weight and calculated dimensional weight.
Dimensional Weight Calculation Factors
| Dimension |
Value |
Unit |
| Length |
|
|
| Width |
|
|
| Height |
|
|
| Actual Weight |
|
|
| Volume |
|
|
| Divisor |
|
|
| Dimensional Weight |
|
|
| Billable Weight |
|
|
What is DHL Dimensional Weight?
{primary_keyword} is a pricing technique used by shipping carriers like DHL to account for the space a package occupies relative to its weight. Essentially, it's a way for carriers to ensure that they are compensated fairly for bulky but light items that take up significant space on their transport vehicles. If the calculated dimensional weight of a package is greater than its actual weight, the carrier will charge the customer based on the higher dimensional weight. This ensures that shipments that are larger in volume, even if they are not particularly heavy, contribute proportionally to the shipping costs.
Who Should Use It?
Anyone shipping physical goods using DHL can benefit from understanding dimensional weight. This includes:
- E-commerce businesses: To accurately quote shipping costs to customers and optimize packaging to reduce expenses.
- Small businesses: To manage operational costs and ensure profitability on shipments.
- Individuals sending packages: To avoid unexpected charges and plan their shipping budget effectively.
- Logistics managers: For optimizing shipping strategies and managing freight costs across various shipment types.
Common Misconceptions
A common misconception is that only very large items are affected by dimensional weight. However, even moderately sized packages can incur higher charges if their volume is disproportionate to their weight. Another misconception is that dimensional weight is the same for all carriers; while the concept is similar, the specific divisors used by carriers like DHL can differ, impacting the final calculated weight and cost.
{primary_keyword} Formula and Mathematical Explanation
The core of understanding dimensional weight lies in its formula. DHL, like many carriers, uses a specific calculation to determine this value, which then influences the billable weight.
The DHL Dimensional Weight Formula
The formula for calculating dimensional weight, specifically for DHL, is as follows:
Dimensional Weight = (Length × Width × Height) / Divisor
DHL uses different divisors depending on the units of measurement. As of recent updates, these are:
- For measurements in centimeters (cm): The divisor is typically 5000.
- For measurements in inches (in): The divisor is typically 166.
It's crucial to confirm the latest divisor directly with DHL, as these can sometimes be updated.
Step-by-Step Derivation
- Measure Package Dimensions: Accurately measure the Length (L), Width (W), and Height (H) of your package in the same unit (either centimeters or inches). Measure to the longest point of each dimension.
- Calculate Volume: Multiply the three dimensions together: Volume = L × W × H.
- Apply the Divisor: Divide the calculated volume by the appropriate DHL divisor (5000 for cm, 166 for inches). This gives you the dimensional weight.
- Determine Billable Weight: Compare the calculated Dimensional Weight with the package's Actual Weight (measured by a scale). The Billable Weight is the greater of these two values.
Variable Explanations
Understanding each component is key to accurate calculation:
| Variable |
Meaning |
Unit |
Typical Range/Notes |
| Length (L) |
The longest dimension of the package. |
cm or in |
Positive numerical value. |
| Width (W) |
The second longest dimension of the package. |
cm or in |
Positive numerical value. |
| Height (H) |
The shortest dimension of the package. |
cm or in |
Positive numerical value. |
| Actual Weight |
The weight of the package as measured on a scale. |
kg or lb |
Positive numerical value. For comparison purposes, ensure unit consistency (e.g., convert lbs to kg if needed based on your service). |
| Volume |
The total space occupied by the package (L × W × H). |
cm³ or in³ |
Calculated value. |
| Divisor |
A factor set by DHL to convert volume into a weight equivalent. |
Unitless |
Typically 5000 (for cm) or 166 (for inches). |
| Dimensional Weight |
The calculated weight based on the package's volume and the carrier's divisor. |
kg or lb |
Calculated value. |
| Billable Weight |
The weight used for calculating shipping charges; the higher of Actual Weight or Dimensional Weight. |
kg or lb |
The determining factor for shipping cost. |
Practical Examples (Real-World Use Cases)
Let's illustrate how {primary_keyword} affects shipping costs with practical examples.
Example 1: E-commerce Product (Bulky, Light)
An online retailer is shipping a large but lightweight decorative item. They need to determine the billable weight for a DHL shipment.
- Package Dimensions: 60 cm (Length) × 40 cm (Width) × 30 cm (Height)
- Actual Weight: 5 kg
- Units: Centimeters
- DHL Divisor (cm): 5000
Calculations:
- Volume: 60 cm × 40 cm × 30 cm = 72,000 cm³
- Dimensional Weight: 72,000 cm³ / 5000 = 14.4 kg
- Billable Weight: The greater of Actual Weight (5 kg) and Dimensional Weight (14.4 kg) is 14.4 kg.
Interpretation:
In this case, the item's volume is much more significant than its actual weight. DHL will charge the retailer based on 14.4 kg, not the actual 5 kg. This highlights the importance of optimizing packaging to reduce dimensions for such items.
Example 2: Small Electronics Component (Dense, Small)
A small business is shipping a dense electronic component that is small but relatively heavy for its size.
- Package Dimensions: 15 cm (Length) × 10 cm (Width) × 5 cm (Height)
- Actual Weight: 2 kg
- Units: Centimeters
- DHL Divisor (cm): 5000
Calculations:
- Volume: 15 cm × 10 cm × 5 cm = 750 cm³
- Dimensional Weight: 750 cm³ / 5000 = 0.15 kg
- Billable Weight: The greater of Actual Weight (2 kg) and Dimensional Weight (0.15 kg) is 2 kg.
Interpretation:
Here, the actual weight (2 kg) is significantly higher than the dimensional weight (0.15 kg). The customer will be charged based on the actual weight. This scenario shows that dimensional weight doesn't always dictate the price; heavy, compact items are often billed by their actual weight.
How to Use This {primary_keyword} Calculator
Our DHL Dimensional Weight Calculator is designed for simplicity and accuracy. Follow these steps to quickly determine your billable shipping weight:
Step-by-Step Instructions
- Measure Your Package: Obtain the exact Length, Width, and Height of your package. Ensure you measure to the longest point of each dimension and use a reliable measuring tool.
- Know the Actual Weight: Weigh your package using an accurate scale.
- Select Units: Choose the unit of measurement you used (centimeters or inches) from the 'Units' dropdown.
- Enter Values: Input the measured Length, Width, Height, and the Actual Weight into the respective fields.
- Click 'Calculate': The calculator will instantly process your inputs.
How to Read Results
- Volume: Shows the total cubic space your package occupies.
- Dimensional Weight: Displays the weight calculated based on your package's volume and DHL's divisor for the selected units.
- Billable Weight: This is the crucial figure. It's the higher value between your package's Actual Weight and its calculated Dimensional Weight. This is the weight DHL will use to determine your shipping charges.
- Primary Result: Highlighted prominently, this is your final Billable Weight.
Decision-Making Guidance
Use the results to make informed shipping decisions:
- If your Billable Weight is higher than your Actual Weight, consider ways to reduce your package dimensions (e.g., using smaller boxes, consolidating items) to potentially lower shipping costs.
- If your Billable Weight is the same as your Actual Weight, your packaging is relatively efficient in terms of space usage.
- This tool helps you provide accurate shipping quotes to your customers, preventing surprises and building trust. It also aids in inventory management by providing clearer data on the space requirements of your shipments.
Key Factors That Affect {primary_keyword} Results
Several factors influence the dimensional weight calculation and, consequently, your shipping costs. Understanding these can help you strategize better.
1. Package Dimensions (Length, Width, Height)
This is the most direct factor. Larger dimensions result in a higher volume, which in turn leads to a higher dimensional weight, assuming the actual weight remains constant. Optimizing box size is paramount.
2. Choice of Units (cm vs. inches)
The units used for measurement directly impact the volume calculation and the divisor applied. Using centimeters with a divisor of 5000 yields different results than using inches with a divisor of 166. Always be consistent and select the correct unit in the calculator.
3. DHL's Divisor
The divisor (e.g., 5000 for cm, 166 for inches) is set by DHL and can change. A smaller divisor results in a higher dimensional weight, while a larger divisor results in a lower dimensional weight. It's essential to stay updated on the current divisors used by DHL for the specific service you are utilizing.
4. Actual Weight of the Package
While dimensional weight calculations focus on volume, the actual weight is critical because the billable weight is the *greater* of the two. Dense, heavy items might still be billed by actual weight if their dimensional weight is lower.
5. Packaging Materials
The type and thickness of packaging materials can add to the overall dimensions and weight. Choosing lighter, more compact packaging can help reduce both actual and dimensional weight.
6. Shipping Service Level
While the dimensional weight calculation itself is standard, different DHL service levels (e.g., Express, Economy) may have slightly different divisors or surcharges that ultimately affect the total shipping cost. Always verify the specifics for your chosen service.
7. Package Shape Irregularities
DHL generally requires dimensions to be measured for rectangular boxes. Irregularly shaped items might need to be placed within a box, and the dimensions of that box will be used. This can sometimes lead to higher dimensional weight if the boxing is inefficient.
Frequently Asked Questions (FAQ)
What is the difference between actual weight and dimensional weight?
Actual weight is how much the package weighs on a scale. Dimensional weight is a calculated weight based on the package's volume (length x width x height) and a carrier-specific divisor. Shipping costs are based on whichever is greater.
Does DHL use the same dimensional weight divisor for all services?
Generally, DHL uses standard divisors (like 5000 for cm and 166 for inches) for most express and international services. However, it's always best to confirm the specific divisor for the exact DHL service you plan to use, as this can vary.
How do I measure my package accurately for DHL?
Measure the length (longest side), width (second longest side), and height (shortest side) of the package. Ensure you measure the outside dimensions of the box, including any padding but not protrusions. Use a flexible tape measure if necessary for non-standard shapes within a box.
What if my package is not a perfect rectangle?
For irregularly shaped items, you should package them securely in a rectangular box or container. Measure the outer dimensions of that final package. If the item cannot be boxed, DHL may have specific guidelines, but generally, you'd measure the maximum length, width, and height that encompass the item.
Can I reduce my shipping costs by optimizing packaging?
Yes, absolutely. By using appropriately sized boxes, minimizing empty space, and using lightweight packing materials, you can reduce your package's volume. If this reduction makes the dimensional weight lower than the actual weight, you'll save on shipping costs.
What happens if I provide incorrect dimensions or weight?
If DHL discovers incorrect dimensions or weight during transit, they may re-weigh and re-measure your package. You will be billed for the correct charges, potentially including a surcharge or penalty fee for the discrepancy. Accurate information upfront is crucial.
Is the dimensional weight calculation the same for all carriers?
The concept of dimensional weight is common across major carriers (like FedEx, UPS, USPS), but the specific divisors and calculation methods can differ. Always check the dimensional weight rules for the specific carrier you are using.
How does this calculator help my business?
This calculator helps businesses accurately predict shipping expenses, provide precise quotes to customers, optimize packaging strategies to reduce costs, and avoid unexpected surcharges from carriers like DHL. It's a tool for better financial planning and operational efficiency in logistics.
Related Tools and Internal Resources
var lengthInput = document.getElementById('length');
var widthInput = document.getElementById('width');
var heightInput = document.getElementById('height');
var unitsSelect = document.getElementById('units');
var primaryResultDiv = document.getElementById('primaryResult');
var actualWeightDisplay = document.getElementById('actualWeightDisplay');
var volumeDisplay = document.getElementById('volumeDisplay');
var dimensionalWeightDisplay = document.getElementById('dimensionalWeightDisplay');
var billableWeightDisplay = document.getElementById('billableWeightDisplay');
var dataTableContainer = document.getElementById('dataTableContainer');
var chart;
var chartData = {
labels: ['Actual Weight', 'Dimensional Weight'],
datasets: [{
label: 'Weight (kg/lb)',
data: [0, 0],
backgroundColor: ['rgba(0, 74, 153, 0.7)', 'rgba(40, 167, 69, 0.7)'],
borderColor: ['rgba(0, 74, 153, 1)', 'rgba(40, 167, 69, 1)'],
borderWidth: 1
}]
};
function initializeChart() {
var ctx = document.getElementById('weightComparisonChart').getContext('2d');
chart = new Chart(ctx, {
type: 'bar',
data: chartData,
options: {
responsive: true,
maintainAspectRatio: true,
scales: {
y: {
beginAtZero: true,
title: {
display: true,
text: 'Weight (kg or lb)'
}
}
},
plugins: {
legend: {
display: true,
position: 'top',
},
tooltip: {
callbacks: {
label: function(tooltipItem) {
var label = tooltipItem.dataset.label || ";
if (label) {
label += ': ';
}
label += tooltipItem.raw.toFixed(2); // Format to 2 decimal places
return label;
}
}
}
}
}
});
}
function updateChart(actualWeight, dimWeight) {
if (chart) {
chart.data.datasets[0].data[0] = actualWeight || 0;
chart.data.datasets[0].data[1] = dimWeight || 0;
chart.update();
}
}
function validateInput(value, errorId, fieldName, maxValue = Infinity, minValue = 0) {
var errorElement = document.getElementById(errorId);
errorElement.style.display = 'none';
var inputElement = document.getElementById(fieldName);
if (value === null || value === ") {
errorElement.textContent = 'This field cannot be empty.';
errorElement.style.display = 'block';
inputElement.style.borderColor = '#dc3545';
return false;
}
var numberValue = parseFloat(value);
if (isNaN(numberValue)) {
errorElement.textContent = 'Please enter a valid number.';
errorElement.style.display = 'block';
inputElement.style.borderColor = '#dc3545';
return false;
}
if (numberValue maxValue) {
errorElement.textContent = fieldName.charAt(0).toUpperCase() + fieldName.slice(1) + ' exceeds maximum allowed value.';
errorElement.style.display = 'block';
inputElement.style.borderColor = '#dc3545';
return false;
}
inputElement.style.borderColor = '#ccc'; // Reset border color on success
return true;
}
function calculateDimensionalWeight() {
var length = lengthInput.value;
var width = widthInput.value;
var height = heightInput.value;
var actualWeight = document.getElementById('actualWeightDisplay').textContent; // Assuming it might have a value from reset or previous calc
var validLength = validateInput(length, 'lengthError', 'length');
var validWidth = validateInput(width, 'widthError', 'width');
var validHeight = validateInput(height, 'heightError', 'height');
if (!validLength || !validWidth || !validHeight) {
primaryResultDiv.style.display = 'none';
return;
}
var numLength = parseFloat(length);
var numWidth = parseFloat(width);
var numHeight = parseFloat(height);
var numActualWeight = actualWeight === 'N/A' ? 0 : parseFloat(actualWeight); // Default to 0 if N/A
var divisor = parseInt(unitsSelect.value);
var unitsLabel = unitsSelect.options[unitsSelect.selectedIndex].text.includes('cm') ? 'kg' : 'lb';
var volume = numLength * numWidth * numHeight;
var dimensionalWeight = volume / divisor;
var billableWeight = Math.max(numActualWeight, dimensionalWeight);
// Update displays
volumeDisplay.textContent = volume.toFixed(2) + (unitsSelect.options[unitsSelect.selectedIndex].text.includes('cm') ? ' cm³' : ' in³');
dimensionalWeightDisplay.textContent = dimensionalWeight.toFixed(2) + ' ' + unitsLabel;
billableWeightDisplay.textContent = billableWeight.toFixed(2) + ' ' + unitsLabel;
primaryResultDiv.textContent = "Billable Weight: " + billableWeight.toFixed(2) + " " + unitsLabel;
primaryResultDiv.style.display = 'block';
// Update table data
var selectedUnitText = unitsSelect.options[unitsSelect.selectedIndex].text;
document.getElementById('tableLength').textContent = numLength.toFixed(2);
document.getElementById('tableLengthUnit').textContent = selectedUnitText.split(' ')[0];
document.getElementById('tableWidth').textContent = numWidth.toFixed(2);
document.getElementById('tableWidthUnit').textContent = selectedUnitText.split(' ')[0];
document.getElementById('tableHeight').textContent = numHeight.toFixed(2);
document.getElementById('tableHeightUnit').textContent = selectedUnitText.split(' ')[0];
document.getElementById('tableActualWeight').textContent = numActualWeight.toFixed(2);
document.getElementById('tableActualWeightUnit').textContent = unitsLabel;
document.getElementById('tableVolume').textContent = volume.toFixed(2);
document.getElementById('tableVolumeUnit').textContent = selectedUnitText.includes('cm') ? 'cm³' : 'in³';
document.getElementById('tableDivisor').textContent = divisor;
document.getElementById('tableDimensionalWeight').textContent = dimensionalWeight.toFixed(2);
document.getElementById('tableDimensionalWeightUnit').textContent = unitsLabel;
document.getElementById('tableBillableWeight').textContent = billableWeight.toFixed(2);
document.getElementById('tableBillableWeightUnit').textContent = unitsLabel;
dataTableContainer.style.display = 'block';
// Update chart
updateChart(numActualWeight, dimensionalWeight);
}
function resetCalculator() {
lengthInput.value = ";
widthInput.value = ";
heightInput.value = ";
document.getElementById('actualWeightDisplay').textContent = 'N/A'; // Reset actual weight display too
unitsSelect.value = '5000'; // Default to cm
primaryResultDiv.style.display = 'none';
volumeDisplay.textContent = 'N/A';
dimensionalWeightDisplay.textContent = 'N/A';
billableWeightDisplay.textContent = 'N/A';
dataTableContainer.style.display = 'none';
// Clear error messages
document.getElementById('lengthError').style.display = 'none';
document.getElementById('widthError').style.display = 'none';
document.getElementById('heightError').style.display = 'none';
lengthInput.style.borderColor = '#ccc';
widthInput.style.borderColor = '#ccc';
heightInput.style.borderColor = '#ccc';
// Reset chart data to zero
updateChart(0, 0);
}
function copyResults() {
var actualWeight = document.getElementById('actualWeightDisplay').textContent;
var volume = volumeDisplay.textContent;
var dimensionalWeight = dimensionalWeightDisplay.textContent;
var billableWeight = billableWeightDisplay.textContent;
var units = unitsSelect.options[unitsSelect.selectedIndex].text.split(' ')[0];
var divisor = unitsSelect.value;
var textToCopy = "DHL Shipping Details:\n";
textToCopy += "——————–\n";
textToCopy += "Actual Weight: " + actualWeight + "\n";
textToCopy += "Volume: " + volume + "\n";
textToCopy += "Dimensional Weight: " + dimensionalWeight + "\n";
textToCopy += "Billable Weight: " + billableWeight + "\n";
textToCopy += "\nKey Assumptions:\n";
textToCopy += "- Measurement Units: " + units + "\n";
textToCopy += "- Divisor Used: " + divisor + "\n";
textToCopy += "- Calculation based on: Length x Width x Height / Divisor\n";
if (navigator.clipboard && window.isSecureContext) {
navigator.clipboard.writeText(textToCopy).then(function() {
alert('Results copied to clipboard!');
}).catch(function(err) {
console.error('Failed to copy text: ', err);
fallbackCopyTextToClipboard(textToCopy);
});
} else {
fallbackCopyTextToClipboard(textToCopy);
}
}
function fallbackCopyTextToClipboard(text) {
var textArea = document.createElement("textarea");
textArea.value = text;
textArea.style.position = "fixed";
textArea.style.top = "0";
textArea.style.left = "0";
textArea.style.width = "2em";
textArea.style.height = "2em";
textArea.style.padding = "0";
textArea.style.border = "none";
textArea.style.outline = "none";
textArea.style.boxShadow = "none";
textArea.style.background = "transparent";
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
try {
var successful = document.execCommand('copy');
var msg = successful ? 'successful' : 'unsuccessful';
alert('Results ' + msg + ' copied to clipboard (fallback)!');
} catch (err) {
console.error('Fallback: Oops, unable to copy', err);
alert('Could not copy text. Please manually select and copy.');
}
document.body.removeChild(textArea);
}
// Initial chart setup
document.addEventListener('DOMContentLoaded', function() {
initializeChart();
// Optional: Add a default actual weight for initial calculation demonstration
document.getElementById('actualWeightDisplay').textContent = '10.00 kg'; // Example default
});
// Add event listeners for real-time updates
lengthInput.addEventListener('input', calculateDimensionalWeight);
widthInput.addEventListener('input', calculateDimensionalWeight);
heightInput.addEventListener('input', calculateDimensionalWeight);
// The actual weight input is usually static after initial setup, but if it were dynamic, add listener here.
// For this calculator, we'll assume actual weight is either set manually or is a fixed example.
unitsSelect.addEventListener('change', calculateDimensionalWeight);
// FAQ toggles
var faqItems = document.querySelectorAll('.faq-item h4');
faqItems.forEach(function(item) {
item.addEventListener('click', function() {
var faqContent = this.nextElementSibling;
var faqItem = this.parentElement;
faqItem.classList.toggle('open');
});
});