🏦 CD (Certificate of Deposit) Calculator

Calculate Certificate of Deposit maturity value, interest earned, and compare investment options
💰 CD Investment Details
The amount you initially invest in the CD
Number of months or years
Choose months or years
The annual interest rate offered by the CD
How often interest is compounded
Regular additional deposits if allowed by the CD
Penalty for withdrawing funds before maturity (months of interest)

📊 CD Investment Results

Maturity Value —
Total Interest Earned —
Effective Annual Yield (APY) —
Annual Percentage Rate (APR) —
Total Deposits —
Early Withdrawal Value —
Penalty Amount —
CD Comparison
Term Rate Maturity Value Interest Earned APY
Enter details to see comparison

📅 Growth Over Time

Showing the full year-by-year growth schedule for the entire CD term.
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Enter your details and click "Calculate" to see the growth schedule

🧮 Understanding Certificate of Deposits (CDs)

Certificates of Deposit (CDs) are time-bound savings products offered by banks and credit unions that typically offer higher interest rates than regular savings accounts in exchange for keeping your money deposited for a fixed period.

A = P × (1 + r/n)^(n×t)

Maturity Value: Where A = maturity value, P = principal, r = annual interest rate, n = compounding periods, t = time in years.

📊 CD Laddering
Multiple CDs with different maturity dates for regular access to funds
🎯 Bullet Strategy
Single CD matching a specific future need

CD Term Considerations:

  • Short-Term (3-12 months): Lower rates but more liquidity
  • Medium-Term (1-3 years): Balance between rate and accessibility
  • Long-Term (3-5+ years): Highest rates but least liquidity

CD vs Other Investments:

  • Advantages: FDIC/NCUA insured, predictable returns, higher rates than savings accounts
  • Disadvantages: Lower returns than stocks, early withdrawal penalties, interest rate risk

CDs work best as part of a diversified savings strategy. While they offer safety and predictable returns, balancing CDs with other investments can help you achieve both security and growth.

📝 How to Use This CD Calculator

  1. Select your currency from the dropdown at the top so all figures display in the right format.
  2. Enter your principal amount — the initial sum you plan to deposit into the CD.
  3. Enter the term length and choose whether it's in months or years.
  4. Enter the interest rate (%) offered by the CD.
  5. Choose the compounding frequency — annually, semi-annually, quarterly, monthly, or daily.
  6. Add any additional monthly deposits, if your CD allows ongoing contributions.
  7. Enter an early withdrawal penalty (in months of interest) if you want to see what you'd receive by cashing out early.
  8. Click "Calculate" to see your maturity value, total interest earned, APY, APR, and a rate comparison across common CD terms.
  9. Use the Yearly / Monthly toggle above the growth schedule to switch between an annual summary and a full month-by-month breakdown.
  10. Click "Reset" at any time to clear all fields and start a new calculation.

❓ Frequently Asked Questions

1. What's the difference between APY and APR?
APR (Annual Percentage Rate) is the stated interest rate before compounding, while APY (Annual Percentage Yield) reflects your actual effective return after compounding is applied. A CD with more frequent compounding will have a higher APY than its APR.
2. How does compounding frequency affect my returns?
More frequent compounding (like daily or monthly) generates slightly more interest than less frequent compounding (like annually), since interest is calculated and added to your balance more often, letting you earn interest on interest sooner.
3. What happens if I withdraw from my CD before maturity?
Most CDs charge an early withdrawal penalty, typically expressed as a number of months of interest. The calculator estimates your early withdrawal value by subtracting this penalty from your maturity value based on the penalty months you enter.
4. Can I add money to a CD after opening it?
It depends on the CD type — traditional CDs typically don't allow additional deposits, while "add-on" CDs do. If your CD allows it, enter your planned recurring deposit amount to see how it affects your maturity value.
5. What's the difference between the Yearly and Monthly schedule views?
The Yearly view shows your contributions, interest earned, and balance once per year for the full CD term, while the Monthly view breaks the entire schedule down month by month for a more granular look at how your balance grows over time.