CD vs Savings Return Formula:
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This calculator compares the returns from a Certificate of Deposit (CD) to a savings account over the same period. It helps determine whether the higher interest rate of a CD justifies locking up your money for a fixed term.
The calculator uses compound interest formulas for both investments:
Where:
Explanation: The calculator computes the future value of both investments separately, then shows the difference between them.
Details: Comparing CD and savings account returns helps make informed decisions about where to park cash. While CDs typically offer higher rates, they restrict access to funds until maturity.
Tips: Enter the principal amount, interest rates for both accounts, term length, and compounding frequency. Consider both the absolute returns and the liquidity trade-off.
Q1: Why would I choose a savings account over a CD?
A: Savings accounts offer liquidity - you can withdraw anytime without penalty. CDs typically charge penalties for early withdrawal.
Q2: Are CD rates always higher than savings account rates?
A: Generally yes, but not always. During periods of rising interest rates, savings rates may adjust faster than CD rates.
Q3: How does compounding frequency affect returns?
A: More frequent compounding (e.g., monthly vs annually) increases effective yield, especially over longer terms.
Q4: Should I consider taxes in this comparison?
A: Both CD and savings interest are taxable as ordinary income, so taxes affect both equally in this comparison.
Q5: What about inflation?
A: This calculator shows nominal returns. For real returns, you'd need to subtract inflation from both rates.