Certificate of Deposit APY Calculator
When a bank quotes APY, growth is built in — enter deposit, APY, and holding period for maturity value. Click any i for detail.
CD quote
Opening deposit ($)
i
Deposit
Initial CD funding. |
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|---|---|
APY (%)
i
APY
Annual percentage yield as quoted. |
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Term (years)
i
Term
Hold to maturity length. |
How to use this calculator
- Enter deposit and APY.
- Set years to maturity.
- Read maturity balance and interest.
Results explained
Headline is maturity value assuming APY compounds for the full term with no withdrawals.
Quick reference: CD APY
APY includes compounding.
| Item | Detail |
|---|---|
| Maturity | Principal × (1 + APY)^years |
| Interest | Maturity − principal |
Early withdrawal penalties are not applied on this page.
How the estimate is built
Future value = principal × (1 + APY/100)^termYears.
Example scenario
$10,000 at 4.6% APY for 2 years → about $10,941 at maturity (~$941 interest).
FAQ
APY vs interest rate?
APY reflects compounding frequency; banks quote APY for CDs.
Add-on CDs?
This assumes one lump sum at open.
Tax on interest?
Taxable in most accounts — not modeled.