Simple Interest Calculator Simple Interest Calculator Principal Amount: ? Enter the initial amount you wish to invest! Rate of Interest (%): ? Enter the annual interest rate as a percentage! Time (in years): ? Enter the number of years for which you plan to invest! RESULTPrincipal Amount:Total Interest:Total Amount: BhupendraHi, I'm Bhupendra, a financial enthusiast. Join me on my website for tips on making money, stocks, mutual funds, and personal finance. You'll also find helpful financial calculators to assist with your financial planning. ...