Coupon Rate Calculator
A coupon rate is the annual interest rate paid on a bond, expressed as a percentage of the bond's face value. This calculator helps you determine the coupon rate when you know the bond's annual interest payment and its face value.
Annual Interest Payment:
Bond Face Value:
Calculate Coupon Rate
Coupon Rate: — %
.calculator-container {
font-family: sans-serif;
max-width: 400px;
margin: 20px auto;
padding: 20px;
border: 1px solid #ccc;
border-radius: 8px;
box-shadow: 2px 2px 10px rgba(0,0,0,0.1);
}
.calculator-container h2 {
text-align: center;
margin-bottom: 20px;
}
.input-section {
margin-bottom: 15px;
display: flex;
align-items: center;
gap: 10px;
}
.input-section label {
flex: 1;
font-weight: bold;
}
.input-section input[type="number"] {
padding: 8px;
border: 1px solid #ccc;
border-radius: 4px;
width: 100px;
}
.input-section span {
color: #888;
font-size: 0.9em;
}
button {
display: block;
width: 100%;
padding: 10px 15px;
background-color: #007bff;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 16px;
margin-top: 20px;
}
button:hover {
background-color: #0056b3;
}
#result {
margin-top: 25px;
padding-top: 15px;
border-top: 1px dashed #eee;
text-align: center;
}
#result h3 {
margin-bottom: 10px;
}
#couponRateResult {
font-weight: bold;
color: #28a745;
}
function calculateCouponRate() {
var annualInterestPayment = parseFloat(document.getElementById("annualInterestPayment").value);
var faceValue = parseFloat(document.getElementById("faceValue").value);
var couponRateResultElement = document.getElementById("couponRateResult");
if (isNaN(annualInterestPayment) || isNaN(faceValue)) {
couponRateResultElement.textContent = "Invalid Input";
return;
}
if (faceValue 0″;
return;
}
var couponRate = (annualInterestPayment / faceValue) * 100;
couponRateResultElement.textContent = couponRate.toFixed(2);
}