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Certificate of Deposit (CD) Interest Calculator

Calculate term deposit returns, APY yields, and maturity balances.

Tool inputs stay in your browser · optional AI search sends your query

Good to know: Calculates compound return on fixed-term bank certificates of deposit (CD) and high-yield time deposits.

How to use it (step by step)

  1. 1Fill in the boxes: “Initial Deposit Amount”, “Term Length (months)”, “Annual Percentage Yield (APY %)”. Example numbers are already there so you can see how it works; replace them with yours.
  2. 2The result updates instantly as you type (on a phone it is below the boxes).
  3. 3The bold line is the main answer. Tap Copy next to any value to copy it.

Words to know

Interest
The extra money you pay for borrowing, like a rental fee for using someone else’s money.
App signing / keystore
Every app is signed with a private key (kept in a keystore file). Updates must be signed with the same key, so never lose it.
Percentage
A part out of 100. 25% of 200 = 50.
Compound interest
Interest that also earns interest over time, so savings (or debt) grow faster and faster.

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