CD Calculator
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How a $100,000 CD Grows at 3.5% Over 60 Months
Principal: $100,000
APY: 3.5% (effective annual yield)
Term: 60 months (≈ 1,825 days)
Results
Maturity Value: $118,768.65
Total Interest: $18,768.65
Implied APY: 3.50%
Formulas
Days ≈
months × 30.4167→60 × 30.4167 ≈ 1,825Maturity
= P × (1 + APY)^(days/365)
→= 100,000 × (1.035)^(1825/365)Total Interest
= Maturity − PrincipalImplied APY
= 100 × ((1 + Interest/Principal)^(365/Days) − 1)
Year-by-year breakdown (for your table, USD)
Year 1: Interest $3,500.00, Balance $103,500.00
Year 2: Interest $3,622.50, Balance $107,122.50
Year 3: Interest $3,749.29, Balance $110,871.79
Year 4: Interest $3,880.51, Balance $114,752.30
Year 5: Interest $4,016.33, Balance $118,768.65
CD Calculator Formula Definitions
Principal – The initial deposit you put into the CD.
APY (Annual Percentage Yield) – The effective yearly return, including compounding.
Term – The length of the CD, shown in months, years, or days.
Maturity Value – The total value at the end of the CD term (deposit + interest).
Total Interest – The profit earned, equal to maturity value minus the original deposit.
Implied APY – The effective annual yield recalculated from actual interest and term length.
Year-by-Year Breakdown – A table showing how interest is added each year and how the balance grows with compounding.
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How accurate are the results?
The calculators provide estimates only. They are based on the numbers you enter and standard formulas (such as compound interest or amortization schedules). Actual results may vary depending on factors like taxes, fees, or individual financial circumstances.
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The calculators are designed to help you explore scenarios and compare options. They are not a substitute for personalized financial advice. For a detailed plan tailored to your goals, we recommend scheduling a consultation.
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Most calculators do not automatically include taxes or inflation unless specifically stated. You can often adjust the interest rate or contribution assumptions to approximate these factors.
Do these calculators support different compounding periods?
Yes, some calculators allow you to choose how interest is compounded (monthly, quarterly, annually, etc.). This flexibility helps model real-world savings and investment scenarios more accurately.
What if my situation doesn’t fit the calculator exactly?
That’s common! These tools are meant to give you a baseline estimate. If your situation involves unique factors (tax rules, irregular cash flows, multiple accounts), schedule a conversation so we can customize the numbers.
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