Daily Interest Rate is the annual interest rate divided by the number of compounding periods in a year (365 for daily compounding), converting the annual rate into a daily rate. Number of Days is the duration for which the interest is calculate. Understanding this formula is crucial for anyone looking to calculate daily interest accurately. Our free Compound Interest Calculator helps you calculate how your investments grow over time with the power of compounding at different frequencies for informed investment decisions. Use our compound interest calculator to see how your savings or investments might grow over time using the power of compound interest Easily calculate compound interest for daily, monthly, or yearly intervals. Visualize your investment growth with accurate, user-friendly results.