Finance

CD Calculator

Certificate of deposit maturity value.

Enter your values

Enter the deposit in $.

Enter the interest rate in %.

Enter the term in months.

Choose one of: Daily, Monthly, Quarterly, Annually.

Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.

Results
Value at maturity
$10,448.98
Interest earned
$448.98
Effective APY
4.49%
Monthly equivalent interest
$37.42

Quick answer

A CD pays a fixed rate for a fixed term; the maturity value depends on the APY and how often interest compounds.

Value = P × (1 + r/n)^(n×t)

At a glance

What it doesCertificate of deposit maturity value.
CategoryFinance
Inputs neededDeposit, Interest rate, Term, Compounding
Main outputValue at maturity
FormulaValue = P × (1 + r/n)^(n×t)
CostFree — no sign-up, no download

How to use the CD Calculator

  1. 1Enter your deposit amount.
  2. 2Enter the CD rate and term in months.
  3. 3Select the compounding frequency.

Inputs explained

Deposit($)
Enter the deposit in $.
Interest rate(%)
Enter the interest rate in %.
Term(months)
Enter the term in months.
Compounding
Choose one of: Daily, Monthly, Quarterly, Annually.

Worked example

Using the values the calculator loads with:

Inputs

  • Deposit10000 $
  • Interest rate4.4 %
  • Term12 months
  • CompoundingMonthly

Results

  • Value at maturity$10,448.98
  • Interest earned$448.98
  • Effective APY4.49%
  • Monthly equivalent interest$37.42

Frequently asked questions

Can I withdraw early?

Yes, but you normally forfeit 3–12 months of interest as a penalty.

Is CD interest taxable?

Yes, it is taxed as ordinary income in the year it is credited.

What do I need to enter into the CD Calculator?

Just 4 values: deposit, interest rate, term, compounding. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.

How does the CD Calculator work out the answer?

A CD pays a fixed rate for a fixed term; the maturity value depends on the APY and how often interest compounds. It applies the formula Value = P × (1 + r/n)^(n×t) and shows the working so you can check each step by hand.

Is the CD Calculator free, and do I need an account?

It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.

Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.