Estimate your earnings from a First National Bank Certificate of Deposit.
Daily (Standard)
Monthly
Quarterly
Annually
Initial Deposit:$0.00
Total Interest Earned:$0.00
Total Balance at Maturity:$0.00
Maximize Your Savings with an FNB CD
Certificate of Deposits (CDs) offered by First National Bank (FNB) and similar financial institutions are a cornerstone of conservative investment strategies. Unlike a standard savings account, a CD locks your money for a fixed term at a fixed interest rate. This tool helps you calculate exactly how much your money will grow over time, allowing for precise financial planning.
How to Use the FNB CD Calculator
To get an accurate estimate of your return on investment, you will need the following details regarding the specific FNB CD product you are interested in:
Deposit Amount: The principal sum of money you intend to invest. Generally, higher deposits may qualify for better rate tiers.
Term Length: The duration your money will be held. This is typically measured in months. Common terms range from 6 months to 60 months (5 years).
Interest Rate (APY): The Annual Percentage Yield. This is the effective rate of return taking into account the effect of compounding interest.
Compounding Frequency: How often the interest is calculated and added back to your principal. Most competitive CDs compound daily or monthly.
Understanding FNB CD Rates and Terms
FNB CD rates are influenced by the broader economic environment, specifically the Federal Reserve's benchmark rates. When you open a CD, you are essentially lending money to the bank for a set period. In return, the bank pays you interest.
Short-term vs. Long-term: Historically, longer terms (e.g., 60 months) offer higher APYs because you are committing your funds for a longer period. However, in inverted yield curve environments, short-term CDs (e.g., 6 to 12 months) might occasionally offer higher rates.
What is APY vs. Interest Rate?
It is crucial to distinguish between the simple interest rate and the APY. The Interest Rate is the annualized percentage without compounding. The APY (Annual Percentage Yield) includes the effect of compounding interest. For example, if a bank compounds interest daily, your money grows faster than if it compounds annually. This calculator uses the compounding frequency to provide a precise projection of your future balance.
Penalties and Considerations
While FNB CDs offer guaranteed returns, they lack liquidity compared to savings accounts. Withdrawing funds before the maturity date usually incurs an early withdrawal penalty. This penalty is often calculated as a specific number of months' worth of interest (e.g., 3 months of interest for terms under a year). Always ensure you have a separate emergency fund before locking substantial capital into a long-term CD.
function calculateFnbCd() {
var depositInput = document.getElementById('fnb_deposit');
var termInput = document.getElementById('fnb_term');
var rateInput = document.getElementById('fnb_rate');
var compoundInput = document.getElementById('fnb_compound');
var resultArea = document.getElementById('fnb_result_area');
var P = parseFloat(depositInput.value); // Principal
var months = parseFloat(termInput.value); // Time in months
var ratePercent = parseFloat(rateInput.value); // APY or Rate
var n = parseFloat(compoundInput.value); // Compounding frequency
// Validation
if (isNaN(P) || P <= 0) {
alert("Please enter a valid deposit amount.");
return;
}
if (isNaN(months) || months <= 0) {
alert("Please enter a valid term in months.");
return;
}
if (isNaN(ratePercent) || ratePercent < 0) {
alert("Please enter a valid interest rate.");
return;
}
// Calculation Logic
// Formula: A = P(1 + r/n)^(nt)
// r = rate in decimal
// t = time in years (months/12)
// n = times compounded per year
var r = ratePercent / 100;
var t = months / 12;
var base = 1 + (r / n);
var exponent = n * t;
var A = P * Math.pow(base, exponent);
var interestEarned = A – P;
// Formatting Currency
var formatter = new Intl.NumberFormat('en-US', {
style: 'currency',
currency: 'USD',
minimumFractionDigits: 2
});
// Display Results
document.getElementById('display_deposit').innerText = formatter.format(P);
document.getElementById('display_interest').innerText = formatter.format(interestEarned);
document.getElementById('display_total').innerText = formatter.format(A);
// Show result area
resultArea.style.display = 'block';
}