CD Maturity Calculator

Calculate your certificate of deposit maturity value and see exactly when your CD matures. Enter your deposit, rate, and start date to plan your CD maturity timeline.

Your CD Earnings

Final Balance $10,511.62

Total Interest Earned $511.62

Initial Deposit: $10,000.00
Annual Percentage Yield (APY): 5.00%
CD Term: 12 months
Compounding Frequency: Monthly

What Is a CD Maturity Calculator?

A CD maturity calculator estimates the total value of a certificate of deposit (CD) on its maturity date. The calculator shows the maturity value — your original deposit plus all accumulated compound interest — so you know the exact payout when the term ends. This tool helps you plan ahead for CD renewals, reinvestments, and withdrawal decisions.

CD Details

Deposit Amount
APY Rate
Term Length
Compounding

Maturity Engine A = P × (1 + r/n)^n×t

Maturity Report

Interest Earned
Final Balance
Growth Chart

Key Benefits of Using a CD Calculator

Project the exact dollar amount available on your CD maturity date for financial planning and budgeting
Compare maturity values across different term lengths to decide between a 6-month, 1-year, 2-year, or 5-year CD
Estimate how much interest you forfeit through early withdrawal penalties on your specific CD term and balance
Plan CD ladder maturity dates by spacing out multiple CDs at staggered intervals for regular cash access

CD Maturity Value Formula

The CD maturity calculator applies the compound interest formula to determine what your deposit will be worth on the day the term expires. The maturity value is the sum of your principal and all interest earned through every compounding period in the term.

A = P × ( 1 + r / n ) ^{n × t}

Click or tap any variable to see what it means

M Maturity Value: The total dollar amount you receive when the certificate of deposit reaches its maturity date. This equals your deposit plus every dollar of compound interest earned.
P Original Deposit: The principal amount deposited into the CD on the opening date. This is the base amount that earns interest over the full term.
r Annual Rate (APY): The annual percentage yield offered on the CD. A rate of 3.50% becomes 0.035 in the formula.
n Compounding Frequency: The number of times interest compounds per year. Banks typically compound daily (365) or monthly (12). Some credit unions compound quarterly (4).
t Term to Maturity (Years): The total duration from the opening date to the maturity date, measured in years. An 18-month CD equals 1.5 years.

The maturity value grows faster in the later months of the term because compound interest builds on previously earned interest. A 5-year CD earns more interest in year 5 than in year 1 at the same rate.

How to Use the CD Maturity Calculator

Determine your certificate of deposit maturity value in 3 steps. The calculator instantly projects the payout amount you receive when the CD term ends.

Enter Your CD Deposit and Rate

Type the dollar amount you deposited (or plan to deposit) and the annual percentage yield (APY) from your bank or credit union statement. Use the exact rate listed on your CD agreement.

Set the CD Term Length

Choose the term in months or years to match your CD contract. Common terms include 3 months, 6 months, 1 year, 18 months, 2 years, 3 years, and 5 years. Select your compounding frequency — most banks use daily or monthly.

Review Your Maturity Payout

The calculator displays the maturity value (total payout), the interest portion, and a growth chart showing how the balance builds toward maturity. Adjust the term or rate to compare different CD offers.

Factors That Affect CD Maturity Value

Five factors determine the maturity value of a certificate of deposit. Each factor changes the total dollar amount available when the CD term ends.

CD Term Length

Longer terms produce a higher maturity value because interest compounds over more periods. A $50,000 CD at 4.50% APY matures at $52,289.53 after 1 year and $62,461.63 after 5 years.

APY Rate at Opening

The locked-in APY rate at the time of purchase defines the earnings for the entire term. A 0.50% rate increase on a $50,000, 3-year CD raises the maturity value by approximately $766.

Compounding Schedule

Daily compounding produces a slightly higher maturity value than monthly or quarterly compounding. The difference is most noticeable on large deposits held for 3 or more years.

Early Withdrawal Penalties

Withdrawing before the maturity date triggers a penalty that reduces the payout, typically equal to 90 to 365 days of interest depending on the CD term and the issuing bank.

Automatic Renewal Terms

Many CDs auto-renew at maturity at the current prevailing rate, which may differ from the original APY. Missing the grace period (usually 7 to 10 days) locks you into a new term at a potentially lower rate.

Maturity Value Growth: $50,000 at 4.50% APY by Term Length

Daily365/yr

$2,840.25

Monthly12/yr

$2,833.59

Quarterly4/yr

$2,820.37

Annually1/yr

$2,762.82

Maturity value of a $50,000 CD at 4.50% APY across different term lengths

CD Maturity Calculation Examples

These 4 examples show the maturity value of different CD deposits at today's rates. All examples use daily compounding (365 times per year) to reflect how many banks calculate CD interest internally.

$50,000 CD — 18 Months at 4.50% APY

Initial Deposit: $50,000
APY: 4.50%
Term: 18 Months
Compounding: Daily

Interest Earned $3,441.91

Final Balance $53,441.91

$50,000 CD — 5 Years at 4.50% APY

Initial Deposit: $50,000
APY: 4.50%
Term: 5 Years
Compounding: Daily

Interest Earned $12,585.28

Final Balance $62,585.28