Drop Rate Calculator
This calculator helps you estimate the number of items you might receive from a specific activity based on its drop rate. Whether you're gaming, farming, or engaging in any activity with a chance-based reward, this tool can provide insights into expected outcomes over a given number of attempts.
Number of Attempts:
Drop Rate (%):
Calculate Expected Drops
.calculator-container {
font-family: 'Arial', sans-serif;
border: 1px solid #ddd;
padding: 20px;
border-radius: 8px;
max-width: 500px;
margin: 20px auto;
background-color: #f9f9f9;
}
.calculator-title {
text-align: center;
color: #333;
margin-bottom: 15px;
}
.calculator-description {
color: #555;
line-height: 1.6;
margin-bottom: 25px;
text-align: justify;
}
.input-section {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 15px;
margin-bottom: 20px;
}
.input-section label {
display: block;
margin-bottom: 5px;
font-weight: bold;
color: #444;
}
.input-section input[type="number"] {
width: 100%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
.calculate-button {
display: block;
width: 100%;
padding: 12px 20px;
background-color: #007bff;
color: white;
border: none;
border-radius: 5px;
font-size: 16px;
cursor: pointer;
transition: background-color 0.3s ease;
}
.calculate-button:hover {
background-color: #0056b3;
}
.result-section {
margin-top: 25px;
padding: 15px;
background-color: #e9ecef;
border-radius: 5px;
text-align: center;
}
.result-section p {
margin: 0;
font-size: 1.1em;
color: #333;
}
.result-section span {
font-weight: bold;
color: #28a745;
}
function calculateDropRate() {
var attemptsInput = document.getElementById("numberOfAttempts");
var rateInput = document.getElementById("dropRatePercentage");
var expectedDropsSpan = document.getElementById("expectedDrops");
var attempts = parseFloat(attemptsInput.value);
var ratePercentage = parseFloat(rateInput.value);
if (isNaN(attempts) || isNaN(ratePercentage) || attempts < 0 || ratePercentage 100) {
expectedDropsSpan.textContent = "Invalid input. Please enter positive numbers, with rate between 0 and 100.";
return;
}
var rateDecimal = ratePercentage / 100;
var expectedDrops = attempts * rateDecimal;
expectedDropsSpan.textContent = expectedDrops.toFixed(2);
}