Credit Union Certificate Calculator
Use this calculator to find out how much you can earn on a Certificate. Just enter a few pieces of information and we will calculate your Annual Percentage Yield (APY) and ending balance.
How the credit union certificate calculator works
It compounds your deposit at the certificate’s rate and compounding schedule to the end of the term, and converts the nominal rate into an effective annual yield so you can compare it against other savings options.
Worked example: with deposit amount of $10,000, interest rate (apr) of 4.50% and term (months) of 24, the credit union certificate calculator shows value at maturity of $10,939.90.
- Deposit
- $10,000
- Interest earned
- $940
- Effective APY
- 4.59%
- Maturity value
- $10,939.90
The formula
Maturity = deposit × (1 + rate ÷ n)^(n × years); APY = (1 + rate ÷ n)ⁿ − 1, where n is the compounding periods per year.
Results are estimates for educational purposes and are not financial advice. Confirm exact figures with your lender, plan administrator or advisor.
Questions about the credit union certificate calculator
What is a credit union certificate?
It is a credit union’s version of a certificate of deposit (CD) — a savings product that locks in a fixed rate for a set term in exchange for keeping your money deposited.
Is it different from a bank CD?
Functionally it works the same way. Credit unions call the dividend a “rate” and are insured by the NCUA rather than the FDIC, but the math is identical.
What if I withdraw early?
Most certificates charge an early-withdrawal penalty, often several months of dividends, which this calculator does not include. Plan to hold to maturity.
Is the Credit Union Certificate Calculator free to use?
Yes. Every calculator on FinCalculators is completely free, with no sign-up, login or paywall. You can run as many scenarios as you like.