Free to use No account required Editable assumptions Results stay in this browser

CD Calculator with clear assumptions.

Project the value at maturity before locking funds into a certificate of deposit.

How the estimate works

The maturity estimate compounds the entered deposit at the stated APY for the fraction of a year represented by the term.

Important limitation

Early withdrawal penalties, renewal rules, taxes, and changing promotional terms are not included. Results are estimates only and are not financial, lending, legal, tax, or investment advice.

Assumptions and review

Formula review: July 29, 2026. This tool uses only the editable values shown above and does not pull live rates, prices, balances, or account data.

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Frequently asked questions

How does the cd calculator work?

The maturity estimate compounds the entered deposit at the stated APY for the fraction of a year represented by the term.

Is this cd calculator exact?

No. It is a planning estimate based on the values you enter. Actual rates, fees, timing, taxes, and provider rules can change the result.

Can I change the assumptions?

Yes. Every displayed input is editable so you can compare scenarios instead of relying on a hidden default.