Compound Interest Calculator Compound Interest Present Value Return Rate / CAGR Annuity Bond Yield Mortgage Retirement Inputs Current Principal: $ Annual Addition: $ Years to grow:   Interest Rate:   % Compound interest time(s) annually   Results Future Value: $     More Calculators: Portfolio Performance Market Returns Roth IRA Limits Tax Brackets   Put a calculator on your site for free ... details   See "How Finance Works" for the compound interest formula, either without or with annual additions, as well as a calculator for periodic and continuous compounding. If you'd like to know how to estimate compound interest, see the article on The Rule of 72.   home  |  formulas  |  glossary  |  calculator  |  about us  |  books copyright © www.moneychimp.com   . . . . . . . . . .   licensing