CD Calculator
Interest & maturity value

A CD calculator estimates certificate of deposit maturity value from deposit amount, interest rate or APY, term length, and compounding frequency using standard compound-interest formulas. Nestfigure’s tool shows interest earned, final balance, a period schedule, a term comparison table, and optional PDF export. Results are educational estimates only—not bank quotes or personalized advice. See how Nestfigure’s CD calculator works for full assumptions.

Direct answer: It depends on the APY on your disclosure—not a single fixed amount. Nestfigure does not list live bank rates. For education only, Nestfigure’s model at a sample 4.50% APY for 12 months (daily compounding, no add-on deposits) shows $450.00 of interest (balance $10,450.00). See the example guide “How much will a $10,000 CD make in one year?” for more sample APYs.

Under the Consumer Financial Protection Bureau’s Regulation DD (Truth in Savings, 12 CFR Part 1030), annual percentage yield (APY) reflects the total interest paid based on the interest rate and compounding frequency for a 365-day period. The interest rate is the annual rate that does not reflect compounding. When deposit advertisements state a rate of return, Regulation DD requires that rate to be stated as an APY. See the CFPB Regulation DD materials on consumerfinance.gov for the official text.

For discrete compounding Nestfigure uses the standard form A = P(1 + r/n)^(n·t), where P is principal, r is the annual nominal rate used in the model, n is compounding periods per year, and t is time in years. Continuous compounding uses A = P·e^(r·t). If you enter APY, the tool converts APY to an equivalent nominal rate for the selected compounding so the model’s effective yield matches that APY input under Nestfigure’s documented assumptions. Real banks may use different day-count conventions.

Compounding frequency is set by each product’s terms—Nestfigure does not assert a single industry standard. This calculator lets you model daily, monthly, quarterly, semi-annual, annual, or continuous compounding for education. Always read the institution’s disclosure for the account you open.

Account rules vary by product. Some CDs do not allow additional deposits during the term; some “add-on” products do. Nestfigure’s optional monthly deposit field is for planning models only and does not mean a given bank allows add-ons. Confirm with the institution.

According to the CFPB’s Ask CFPB page “What is a certificate of deposit (CD)?”, withdrawing money early means paying a penalty fee to the bank. The CFPB advises comparing term, interest rate, and the amount of the early-withdrawal penalty when shopping. This calculator does not subtract penalties. Confirm exact fees in your agreement. See Nestfigure’s CD early withdrawal guide for more context.

The same CFPB CD explainer states that CDs offered by banks are insured up to $250,000 by the FDIC, and those offered by credit unions are insured up to $250,000 by the NCUA. Coverage depends on ownership categories; use FDIC’s EDIE tool or NCUA share insurance materials for your structure.

Yes. Nestfigure’s CD calculator is free with no signup. Results are educational estimates, not offers from a bank and not personalized financial, tax, or investment advice.

Formulas are standard compound-interest identities documented in how Nestfigure’s CD calculator works. Real accounts may differ because of day-count methods, fees, tiered rates, compounding rules, or promotions. Always verify with your financial institution’s disclosures.

Neither is always better for every person. The CFPB notes CDs involve a set term and that early withdrawal typically incurs a penalty, which can make them less suitable for money you may need suddenly. Liquid savings products trade different access and rate features. Compare APY, liquidity, and penalties for offers available to you. See Nestfigure’s CD vs high-yield savings guide.

Enter your deposit and an APY from a real disclosure, then use Nestfigure’s term comparison table or term presets. Longer terms only help if the rate and your timeline justify locking funds. Early-withdrawal penalties (described generally by the CFPB for CDs) can reduce or erase gains if you exit early. Product-specific penalties always control.

Yes. Supported query parameters: principal (or deposit), rate or apy, rateType (apy|apr), term, termUnit (months|years), months, years, compounding, monthlyDeposit. Example: open the CD calculator with principal 10000, rate 4.5, term 12 months, and daily compounding.