CD Calculator
Project certificate of deposit growth and interest
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
Final balance—
Interest earned—
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- Deposit $10,000, 4.5% APY, 5 years, compounded annually → Final balance ≈ $12,461.82
- $25,000 CD, 3.8% APY, 3 years → Final balance ≈ $27,959.67 (earned $2,959.67)
Formula
Final balance = principal × (1 + APY ÷ compounds per year)compounds × years. APY is the annual percentage yield.
About CD Calculator
Project certificate of deposit growth and interest. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.
Frequently Asked Questions
What is a CD? +
A certificate of deposit (CD) is a savings account with a fixed interest rate and term. You earn interest on a locked deposit until maturity.
How is CD interest calculated? +
The final balance = initial deposit × (1 + APY)^term years, compounded annually. This tool shows both the final balance and interest earned.
Is this calculator free? +
Yes, it is completely free with no registration or download.