Free online tool

CD Calculator

Enter your deposit, interest rate, term and compounding frequency to see your CD return.

Instant calculation

CD Calculator

Enter your deposit, interest rate, term and compounding frequency to see your CD return.

Your numbers stay in this browser. Nothing is uploaded or saved.

Three clear steps

How to use this calculator

  1. 01

    Enter deposit

    Type the amount you plan to invest in the CD.

  2. 02

    Set rate and term

    Enter the annual interest rate and term in months.

  3. 03

    Choose compounding

    Select how many times per year interest compounds.

The formula

How this calculation works

Compound interest formula. More frequent compounding yields slightly higher returns.

CD Calculator

Maturity value = Deposit × (1 + r/n)^(n×t) where r = annual rate, n = compounds/year, t = years

5000×(1+0.04/12)^12 = 5000×1.04074 = $5,203.71

Check the method

Worked examples

Each example follows the same formula used by the calculator.

$5,000 CD at 4% for 12 months, compounded monthly?

5000×(1+0.04/12)^12 = 5000×1.04074 = $5,203.71$5,203.71

Common questions

Questions about this calculation

What is the CD Calculator?

The CD Calculator helps you calculate the maturity value of a certificate of deposit (CD) investment. Enter your values and select Calculate to get an instant result.

How is the result calculated?

Compound interest formula. More frequent compounding yields slightly higher returns.

Can you show an example?

Example: $5,000 CD at 4% for 12 months, compounded monthly? — $5,203.71.

Is my data saved when I use the CD Calculator?

No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.

Is the CD Calculator free to use?

Yes. The CD Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.