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CD Calculator - March 2026

Project your total interest earnings and final balance at maturity.

Use this free tool to calculate the return on a Certificate of Deposit (CD). Simply enter your deposit amount, term length, and Annual Percentage Yield (APY) to see exactly how much your money will grow.

Certificate of Deposit Calculator

Project your earnings with a fixed-rate CD.

Total at Maturity
$0
Initial Deposit
$0
Interest Earned
$0
APY Used
0%
Month Balance Interest
Show Full Schedule

How a CD Calculator Works

A Certificate of Deposit (CD) is a secure, time-deposit account offered by banks and credit unions. When you open a CD, you agree to leave a lump sum of money in the account for a set period, known as the term.

This calculator determines your total return at maturity using the compound interest formula. Unlike variable-rate savings accounts, standard CDs have fixed rates, meaning your APY is guaranteed for the entire term of the CD.

CD Calculator Definitions

Initial CD Deposit: The starting balance for your certificate of deposit (CD) account. This is the lump sum you invest upfront.
CD Term: The total number of years (or months) for this certificate of deposit (CD) to mature.
Compounding (Interest Compounding): This refers to how often the bank pays interest on your account. More frequent compounding (e.g., Daily) yields slightly higher returns than less frequent compounding (e.g., Monthly).

Frequently Asked Questions

What happens if I withdraw my money early?

If you withdraw funds from a CD before the maturity date, banks typically charge an "Early Withdrawal Penalty." This penalty is often equal to a certain number of months' worth of interest.

Are CD rates fixed?

Yes, standard CDs have fixed rates. This means your APY is locked in when you open the account and will not change, providing guaranteed returns.

Is my money safe in a CD?

Yes. CDs at FDIC-insured banks are insured up to $250,000 per depositor, per insured bank. This government backing makes CDs one of the safest places to store cash.

The CD calculator and the results are made available to our website visitors as a self help tool. Monitor Bank Rates LLC cannot and does not guarantee the accuracy. The example above is hypothetical and is for illustrative means only.