What happens if I withdraw from a CD early?

Almost always a penalty — typically several months of interest, sometimes eating into principal on very young CDs (liquid CDs are the exception). The penalty's size depends on the term and the bank. In a rising-rate environment it can occasionally pay to eat the penalty and reinvest at the new, higher rate; run both numbers before deciding.

Yes — CDs from FDIC-insured banks are covered up to $250,000 per depositor, per institution, and credit-union CDs carry equivalent NCUA coverage. Deposit more than the cap by spreading CDs across several insured institutions.

Splitting one deposit across several CDs maturing at staggered intervals — say 1, 2 and 3 years instead of a single 3-year CD. Something matures every year, freeing cash or letting you reinvest at current rates, while longer rungs still earn the higher long-term rates. It trades a little peak yield for a lot of flexibility.

Is CD interest taxed?

In the U.S., yes — as ordinary income in the year it's earned (even if it stays in the CD), unless the CD sits inside a tax-advantaged account like an IRA. Enter your marginal rate above to see the after-tax result; the tax is skimmed from interest as it accrues.

CD Calculator

Work out what a certificate of deposit actually earns by maturity — end balance and total interest, with income tax on the interest taken into account for a more honest number.

Initial Deposit

Interest Rate

Compound

Deposit Length

years

months

Marginal Tax Rate

Your marginal rate applies to the interest. Enter 0 for tax-free accounts (e.g., inside an IRA) or a pre-tax view.

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Certificates of Deposit, Explained

A certificate of deposit is a deal: hand a bank money for a fixed stretch — commonly three months to five years — and it pays a fixed interest rate for leaving it untouched. Bigger deposits and longer terms generally buy higher rates, and the longer term carries more interest-rate risk (your money is committed while new rates move on). CDs sit at the low-risk, low-return end of investing: yields historically beat savings accounts and money markets and trail the long-run average of stocks by a wide margin. The name survives from the paper era, when buyers literally received a certificate for their deposit; today everything is electronic, and this calculator covers the standard fixed-rate CD (some CDs float or link to indexes and can't be modeled this way).

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Insured by design

CDs from FDIC-insured banks are guaranteed up to $250,000 per depositor, per institution — if the bank fails, the insurance pays. Savers above the cap simply hold CDs at several insured banks, and credit-union CDs carry the equivalent NCUA coverage. Few investments can match that floor, which is precisely the trade for their modest returns. CD gains are taxable as income in the U.S. unless the CD lives inside a tax-advantaged account such as a traditional or Roth IRA — the tax field above exists because a 5% CD in a 24% bracket is really a 3.8% CD.

Buying one (and what the bank does with it)

Buying a CD is lending money to the bank: it re-lends your deposit at higher rates, holds it in reserves, or funds operations, keeping the spread — CD rates ultimately hang off the federal funds rate and each institution's appetite for deposits. Shopping therefore matters: rates on identical terms differ across banks, minimum deposits vary, and brokers add access to many banks' CDs (sometimes for a fee). Compare by APY, which folds compounding into one honest number — banks quote debt in APR but deposit products like CDs in APY, and APY is the truer measure of what you'll actually net over a year.

A four-century-old idea

The mechanism is old: European banks in the 1600s issued receipts for deposits they lent to merchants, and began paying interest to keep depositors from withdrawing while the money was out — the modern CD in embryo. The modern institution arrived after the 1929 crash exposed unregulated banks with no reserve requirements; the FDIC was created to regulate banks and guarantee depositors like CD holders. Yields have swung with inflation ever since: near 20% in the high-inflation late 1970s and 1980s, about 4% just before the 2008 crisis, under 1% for a one-year CD in 2021, then above 5% in 2023–2024 as the Fed hiked against inflation, easing again through 2025 and 2026 as inflation cooled.

Using CDs well — and the ladder

CDs earn their keep where the date is known and the loss tolerance is zero: ballast that steadies a portfolio as retirement nears, a down-payment fund maturing the year you plan to buy, any goal inside five years where a stock dip would be a disaster. Their weakness is lock-up, and the classic workaround is the CD ladder: split the deposit across, say, 1-, 2- and 3-year CDs instead of one 3-year CD. A rung matures every year — proceeds can be spent or rolled into a fresh long CD at whatever rates then prevail — while part of the money always earns long-term rates. At maturity of any single CD, doing nothing usually means auto-renewal into a similar CD (often at a worse rate than new-money offers), so mark the date and decide actively.

Early withdrawal, and the CD family

Money in a CD is meant to stay there: early exits normally cost a penalty scaled to the term and the bank's policy (liquid CDs excepted). Counterintuitively, in sharply rising-rate environments paying the penalty to reinvest higher can come out ahead — it's an arithmetic question, not a character flaw. Beyond the traditional CD you'll meet: jumbo CDs ($100,000+ minimums, better rates), bump-up CDs (one chance to raise your rate mid-term, starting lower), liquid CDs (penalty-free withdrawals, lower rates), zero-coupon CDs (bought at a discount, interest reinvested, longer terms), callable CDs (the issuer can redeem early — you get a higher rate for that risk), and brokered CDs (sold through brokerage accounts, wider selection). Alternatives in the same risk neighborhood: paying down debt (a guaranteed return at the loan's rate), money market accounts, bonds, and — newer and riskier — peer-to-peer lending.

FAQ

Why does compounding frequency change the result?

More frequent compounding starts earning interest on interest sooner. The gap is small at CD rates but real — daily beats annual by a few dollars per $10,000 per year. Our compound interest calculator converts between frequencies.

What if I need the money before maturity?

Expect a penalty of several months' interest. If access is a real possibility, a shorter term, a liquid CD, or a ladder fits better than one long CD.

CD or savings account?

CD if the money has a date and won't be touched — you'll usually earn more. Savings if it might be needed; the savings calculator models accounts with ongoing contributions.

Disclaimer: This calculator provides estimates for educational purposes only and does not constitute financial advice. This calculator models fixed-rate CDs; early-withdrawal penalties are not included.