How Do You Calculate Crude Death Rate
function calculateCDR() {
var totalDeathsInput = document.getElementById("totalDeaths");
var midYearPopulationInput = document.getElementById("midYearPopulation");
var resultDiv = document.getElementById("result");
var totalDeaths = parseFloat(totalDeathsInput.value);
var midYearPopulation = parseFloat(midYearPopulationInput.value);
if (isNaN(totalDeaths) || isNaN(midYearPopulation)) {
resultDiv.innerHTML = "Please enter valid numbers for both fields.";
return;
}
if (midYearPopulation <= 0) {
resultDiv.innerHTML = "Mid-year population must be greater than zero.";
return;
}
if (totalDeaths < 0) {
resultDiv.innerHTML = "Total deaths cannot be negative.";
return;
}
var crudeDeathRate = (totalDeaths / midYearPopulation) * 1000;
resultDiv.innerHTML = "The Crude Death Rate (CDR) is: " + crudeDeathRate.toFixed(2) + " deaths per 1,000 population";
}
.calculator-widget {
font-family: sans-serif;
border: 1px solid #ccc;
padding: 20px;
border-radius: 8px;
max-width: 500px;
margin: 20px auto;
background-color: #f9f9f9;
}
.calculator-widget h2 {
text-align: center;
color: #333;
margin-bottom: 15px;
}
.calculator-widget p {
color: #555;
line-height: 1.6;
margin-bottom: 15px;
}
.calculator-inputs .form-group {
margin-bottom: 15px;
}
.calculator-inputs label {
display: block;
margin-bottom: 5px;
font-weight: bold;
color: #444;
}
.calculator-inputs input[type="number"] {
width: calc(100% – 22px);
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
.calculator-widget 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;
}
.calculator-widget button:hover {
background-color: #0056b3;
}
.calculator-result {
margin-top: 20px;
padding: 15px;
background-color: #e9ecef;
border: 1px solid #d6d8db;
border-radius: 5px;
text-align: center;
font-size: 18px;
color: #333;
}
.calculator-result strong {
color: #007bff;
}