Long-term Investment Calculator: Maximize Your Future Value & ROI

Use this calculator to find future value, present value or the annual rate behind any lump-sum investment. Plug in three of the four variables, hit calculate, and the script returns the missing figure using standard compound-interest equations. The S&P 500 returned about 10 % annually between 1926 and 2023 (S&P Dow Jones, 2024).