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Free CD compound interest calculator & certificate of deposit calculator. Calculate CD returns, APY analysis, and compound interest growth for your certificate of deposit investments. Our calculator uses compound interest formulas to determine CD maturity values, interest earnings, and effective annual rates.
Last updated: February 2, 2026
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| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $10,000.00 | $459.40 | $10,459.40 |
| 2 | $10,000.00 | $939.90 | $10,939.90 |
| 3 | $10,000.00 | $1,442.48 | $11,442.48 |
| 4 | $10,000.00 | $1,968.14 | $11,968.14 |
| 5 | $10,000.00 | $2,517.96 | $12,517.96 |
Your money grew by 25.180%over 5 years through compound interest.
The effective annual rate of 4.594%is higher than the stated rate due to compounding.
Compounding 12 times per year maximizes your returns compared to simple interest.
Your initial $10,000.00 investment will be worth $12,517.96 at maturity.
CD features
Principal, Rate, Term, Compounding
Comprehensive CD analysis with all major factors
Interest calculation
Simple & Compound Interest
Shows both simple and compound interest calculations
APY calculation
True Annual Return
Calculates effective annual rate including compounding
Maturity calculation
Final Amount + Interest
Shows total amount at CD maturity
Return analysis
Total Return %
Calculates percentage return on CD investment
Investment analysis
Risk vs Return
Compares CD returns to other investment options
For a $10,000 CD at 4.5% APY for 5 years with monthly compounding:
Final Amount
$12,511.62
Interest Earned
$2,511.62
Our CD compound interest calculator uses the standard compound interest formula to calculate certificate of deposit returns. The calculation applies financial mathematics principles to determine CD maturity values, interest earnings, and effective annual rates.
A = P(1 + r/n)^(nt)Where: A = Final Amount, P = Principal, r = Annual Rate, n = Compounding Frequency, t = Time in Years
Shows exponential growth of CD investment over time
Certificate of deposits are time deposits that offer guaranteed returns with FDIC insurance. The compound interest calculator helps you understand how your CD investment grows over time, compare different CD offers, and make informed decisions about your savings strategy.
Need help with other investment calculations? Check out our money market calculator and investment growth simulator.
Get Custom Calculator for Your PlatformResult: Final Amount = $12,511.62, Interest Earned = $2,511.62
Your CD investment grows by 25.12% over 5 years through compound interest.
$25,000 at 5.0% for 3 years, daily compounding
Final: $29,019.13, Interest: $4,019.13
$5,000 at 3.0% for 1 year, quarterly compounding
Final: $5,150.56, Interest: $150.56
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