Compound Interest Formula:
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This calculator shows how your savings grow with daily compounding at the highest available APY (Annual Percentage Yield) rates. It uses the current top rate (e.g., 4.66% from Axos Bank) but can calculate for any rate you input.
The calculator uses the daily compound interest formula:
Where:
Explanation: Interest is compounded daily (365 times per year) which maximizes your earnings compared to monthly or annual compounding.
Details: Compound interest means you earn interest on both your initial deposit and the accumulated interest. Over time, this creates exponential growth of your savings.
Tips:
                    Q1: What's the difference between APR and APY?
                    A: APR doesn't account for compounding, while APY does. APY gives you the true annual return on your savings.
                
                    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 interest rates change?
                    A: Rates can change frequently based on Federal Reserve policy and market conditions.
                
                    Q4: Is there a minimum balance required?
                    A: Requirements vary by bank. Some have no minimum, others require $1,000+ to earn the highest rate.
                
                    Q5: Are there any fees?
                    A: Most high-yield accounts have no monthly fees, but always check the terms.