.calc-container {
max-width: 600px;
margin: 20px auto;
padding: 25px;
background: #f9f9f9;
border: 1px solid #e0e0e0;
border-radius: 8px;
font-family: Arial, sans-serif;
box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.calc-title {
text-align: center;
color: #333;
margin-bottom: 20px;
}
.calc-form-group {
margin-bottom: 15px;
}
.calc-label {
display: block;
margin-bottom: 5px;
font-weight: bold;
color: #555;
}
.calc-input {
width: 100%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 16px;
box-sizing: border-box;
}
.calc-btn {
width: 100%;
padding: 12px;
background-color: #007bff;
color: white;
border: none;
border-radius: 4px;
font-size: 16px;
cursor: pointer;
transition: background-color 0.3s;
}
.calc-btn:hover {
background-color: #0056b3;
}
.calc-result {
margin-top: 20px;
padding: 15px;
background-color: #fff;
border: 1px solid #ddd;
border-radius: 4px;
display: none;
}
.result-row {
display: flex;
justify-content: space-between;
margin-bottom: 10px;
padding-bottom: 5px;
border-bottom: 1px solid #eee;
}
.result-row:last-child {
border-bottom: none;
}
.result-label {
color: #666;
}
.result-value {
font-weight: bold;
color: #333;
}
.metric-success {
color: #28a745;
}
.metric-fail {
color: #dc3545;
}
.article-container {
max-width: 800px;
margin: 40px auto;
font-family: Arial, sans-serif;
line-height: 1.6;
color: #333;
}
.article-container h2 {
color: #2c3e50;
border-bottom: 2px solid #eee;
padding-bottom: 10px;
}
.article-container ul {
margin-bottom: 20px;
}
.article-container li {
margin-bottom: 8px;
}
function calculateDeliveryMetrics() {
// Get input values using var
var totalShipments = document.getElementById('total_shipments').value;
var successfulDeliveries = document.getElementById('successful_deliveries').value;
var ontimeDeliveries = document.getElementById('ontime_deliveries').value;
var totalCost = document.getElementById('total_cost').value;
// Convert to numbers
var total = parseFloat(totalShipments);
var success = parseFloat(successfulDeliveries);
var ontime = parseFloat(ontimeDeliveries);
var cost = parseFloat(totalCost);
// Validation
if (isNaN(total) || total <= 0) {
alert("Please enter a valid number for Total Shipments greater than 0.");
return;
}
if (isNaN(success) || success total) {
alert("Successful deliveries cannot exceed total shipments.");
return;
}
// Logic Calculation
var successRate = (success / total) * 100;
var failureRate = 100 – successRate;
var ontimeRate = 0;
var costPer = 0;
// Calculate OTD if provided
if (!isNaN(ontime) && ontime >= 0) {
if (ontime > success) {
alert("On-time deliveries cannot exceed successful deliveries.");
return;
}
ontimeRate = (ontime / total) * 100;
document.getElementById('rate_ontime').innerHTML = ontimeRate.toFixed(2) + "%";
} else {
document.getElementById('rate_ontime').innerHTML = "N/A";
}
// Calculate Cost if provided
if (!isNaN(cost) && cost >= 0 && success > 0) {
costPer = cost / success;
document.getElementById('cost_per_unit').innerHTML = "$" + costPer.toFixed(2);
} else if (success === 0) {
document.getElementById('cost_per_unit').innerHTML = "N/A (0 Successes)";
} else {
document.getElementById('cost_per_unit').innerHTML = "N/A";
}
// Update DOM
document.getElementById('rate_success').innerHTML = successRate.toFixed(2) + "%";
document.getElementById('rate_failure').innerHTML = failureRate.toFixed(2) + "%";
// Show result box
document.getElementById('result_display').style.display = 'block';
}
Mastering Delivery Rate Calculations
In the world of logistics, e-commerce, and supply chain management, the Delivery Rate is a critical Key Performance Indicator (KPI). It measures the efficiency and reliability of your shipping process. Understanding your delivery metrics allows businesses to identify bottlenecks in the supply chain, negotiate better terms with carriers, and ultimately improve customer satisfaction.
What is Delivery Success Rate?
The Delivery Success Rate represents the percentage of orders that successfully reach the customer on the first attempt without being returned, lost, or damaged. A high success rate indicates a healthy logistics operation, while a low rate suggests issues with address verification, carrier reliability, or packaging.
Formula:
(Successful Deliveries ÷ Total Shipments) × 100 = Success Rate %
What is On-Time Delivery (OTD)?
While a package may arrive successfully, arriving late can be just as damaging to a brand's reputation. The On-Time Delivery (OTD) metric tracks the percentage of orders delivered within the promised timeframe.
Formula:
(On-Time Deliveries ÷ Total Shipments) × 100 = OTD Rate %
Why Cost Per Delivery Matters
Calculating the Cost Per Successful Delivery is vital for profitability analysis. It isn't just about how much you pay to ship a box; it is about how much you pay to successfully fulfill an order. If you spend money shipping items that are returned or lost, your effective cost per delivery rises significantly.
How to Use This Calculator
- Total Shipments: Enter the total count of orders dispatched from your warehouse during a specific period.
- Successful Deliveries: Enter the number of orders that were marked as "Delivered" and not returned.
- On-Time Deliveries: (Optional) Enter the number of orders that arrived by the estimated delivery date.
- Total Shipping Cost: (Optional) Enter the total amount spent on shipping labels and carrier fees to determine your unit economics.
Improving Your Delivery Metrics
To improve your delivery rates, consider implementing address validation software at checkout to reduce failed attempts. Diversifying your carrier mix can also help maintain high OTD rates during peak seasons when specific networks become congested. Regularly monitoring these metrics ensures your logistics strategy remains cost-effective and customer-centric.