Compound Interest Formula:
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This calculator demonstrates how money grows in a high-yield savings account with daily compounding interest. It uses current top APY rates (like Axos Bank's 4.66% as of 2023) to show maximum potential earnings.
The calculator uses the daily compounding formula:
Where:
Explanation: The formula calculates interest earned when compounded daily (365 times per year), which yields slightly more than monthly or annual compounding.
Details: Daily compounding means interest is calculated and added to your balance every day, allowing your interest to earn additional interest more frequently than with monthly or annual compounding.
Tips: Enter your initial deposit in dollars, the annual interest rate as a decimal (e.g., 4.66% = 0.0466), and the number of years you plan to save. The calculator will show your projected balance.
Q1: How does this compare to regular savings accounts?
A: Regular savings accounts typically offer much lower rates (often below 0.5% APY), while high-yield accounts offer rates 10x higher or more.
Q2: Are high-yield savings accounts safe?
A: Yes, when offered by FDIC-insured banks (up to $250,000 per depositor).
Q3: How often do rates change?
A: Rates fluctuate with the federal funds rate. This calculator uses current top rates but check for updates.
Q4: Are there any drawbacks?
A: Some high-yield accounts may have minimum balance requirements or limited withdrawals.
Q5: How does this compare to CDs or investments?
A: Savings accounts offer liquidity but lower returns than CDs (fixed terms) or investments (higher risk).