Keesler Federal Credit Union CD Rates Calculator
Understanding Certificate of Deposit (CD) rates is crucial for maximizing your savings. A CD is a type of savings account with a fixed term and a fixed interest rate. Keesler Federal Credit Union offers various CD options, and this calculator will help you estimate your potential earnings based on their current rates.
When choosing a CD, consider the following:
- Principal Amount: The initial amount of money you deposit into the CD.
- Annual Percentage Yield (APY): The total interest you will earn on a deposit account, including compounding, expressed as a yearly rate. APY is generally a better measure of how much interest you will earn because it takes compounding into account.
- Term Length: The duration of the CD, ranging from a few months to several years. Longer terms typically offer higher APYs, but your money is locked in for that entire period.
Use the calculator below to see how different APYs and term lengths can impact your savings with Keesler Federal Credit Union.
function calculateCDInterest() {
var principal = parseFloat(document.getElementById("principalAmount").value);
var apy = parseFloat(document.getElementById("annualPercentageYield").value);
var termMonths = parseFloat(document.getElementById("termLengthMonths").value);
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = ""; // Clear previous results
if (isNaN(principal) || isNaN(apy) || isNaN(termMonths) || principal <= 0 || apy < 0 || termMonths <= 0) {
resultDiv.innerHTML = "Please enter valid positive numbers for all fields.";
return;
}
// Formula for APY compounding: Total Amount = Principal * (1 + APY/n)^(n*t)
// For simplicity, we'll assume APY is already the effective annual rate and we calculate based on the full term.
// A more precise calculation would involve daily or monthly compounding, but APY usually accounts for this.
// For this calculator, we'll calculate the total interest earned over the term.
var interestRateDecimal = apy / 100;
var years = termMonths / 12;
// Calculate the total amount at the end of the term
// Using a simplified approach that assumes APY reflects the effective rate over the term.
// A more accurate formula for discrete compounding periods (e.g., daily) would be P(1 + r/n)^(nt)
// where n is the number of times interest is compounded per year.
// Since APY is the *Annual Percentage Yield*, we can use it more directly for the total growth factor.
var totalGrowthFactor = Math.pow((1 + interestRateDecimal), years);
var totalAmount = principal * totalGrowthFactor;
var totalInterestEarned = totalAmount – principal;
resultDiv.innerHTML =
"
Principal Deposit: $" + principal.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + "" +
"
APY: " + apy.toFixed(2) + "%" +
"
Term Length: " + termMonths + " months" +
"
Estimated Total Interest Earned: $" + totalInterestEarned.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + "" +
"
Estimated Total Value at Maturity: $" + totalAmount.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + "";
}
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