CD Calculator
Calculate the maturity value of a certificate of deposit with compounding.
CD Calculator
Calculate the maturity value of a certificate of deposit with compounding.
Savings Growth Formula
ℹ️ Assumes monthly compounding interest
Disclaimer
Results provided by this calculator are for informational and educational purposes only. They are based on the values you enter and standard formulas, and should not be considered financial, medical, legal, or professional advice. Always consult a qualified professional before making important decisions based on these results. Roughtools makes no warranties regarding the accuracy or completeness of these calculations for your specific situation.
Frequently Asked Questions
Pro Tips
Time in the market beats timing the market. Missing just the 10 best trading days over 20 years can cut your returns in half. Stay invested through downturns.
Tax-advantaged accounts (401k, Roth IRA) let your investments grow tax-free or tax-deferred — always max these before investing in taxable accounts.
The Rule of 72: divide 72 by your annual return to estimate years to double. At 7%, money doubles every ~10.3 years. At 10%, every 7.2 years.
Increase your contribution by just 1% of salary each year you get a raise. You won't notice the difference in take-home pay, but it compounds dramatically over decades.
When to Use This Calculator
See how even small monthly contributions grow dramatically over time with compound returns — motivation to start immediately.
Calculate how much to save monthly to reach a college fund target in 10–18 years at a realistic return rate.
Project your portfolio balance at retirement based on current savings rate and expected returns.
Compare the outcome of investing a windfall now versus spreading it as monthly contributions over time.
Compare outcomes at different return rates (5%, 7%, 9%) to understand the impact of investment choice on final balance.
About the CD Calculator
This CD calculator computes the exact maturity value and total interest earned on a certificate of deposit using the APY and compounding schedule. Enter your deposit amount, annual percentage yield (APY), compounding frequency, and CD term to see exactly what you will earn at maturity. Built for savers comparing CD rates across banks, credit unions, and online institutions.
How to Use the CD Calculator
- 1
Enter the CD deposit amount (minimum deposit amounts vary by institution).
- 2
Enter the annual percentage yield (APY) — use the APY, not the stated rate.
- 3
Select the compounding frequency (daily, monthly, or annually).
- 4
Enter the CD term in months (3, 6, 12, 18, 24, or 60 months are common).
- 5
See maturity value, interest earned, and effective annual yield.
Related Calculators
View all →Savings Calculator
Calculate how much you'll save over time with regular deposits and interest.
Compound Interest Calculator
Calculate investment growth with daily, monthly, or yearly compounding.
Interest Calculator
Calculate simple or compound interest earned on any principal amount.
Bond Calculator
Calculate bond price, yield to maturity, and accrued interest.
Roth IRA Calculator
Project Roth IRA balance at retirement with annual contributions and growth.
Your input is processed locally in your browser and is never stored, transmitted, or shared with any server. See our Privacy Policy.