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double money in a given time

Similarly, the present value formula can be rearranged to determine what rate of return is needed to accumulate a given amount from an investment. For example, $100 is invested today and $200 return is expected in five years; what rate of return (interest rate) does this represent?

The present value formula restated in terms of the interest rate is:
r = (FV/PV) ^ (1/n) -1

see also Future value Cash accumulation equation Equivalent annual cost double money with a given interest Present value of a future sum newest formulas Acceleration Calculating a weighted average Pregnancy Date Calculator Fill the yellow fields to see the result in the green fields!   A B C 1 Present value PV    dollars  2 Future value FV    dollars  3 years n    years  4       5 rate r    %  was this helpful ? Charts: change years : X=B3 / Y=B5 / X from: to: see also: http://en.wikipedia.org/wiki/Time_value_of_money#.234:_What_return_is_needed_to_double_money.3F link: http://formularium.org?go=66 (use this link to publish this page) Export:  Excel-Export Script: <script src="http://formularium.org/js.php?go=66"></script> (use this script to include this spreadsheet onto your own webpageExport)   (source: Time value of money. (2006, November 20). In Wikipedia, The Free Encyclopedia. Retrieved 16:59, November 20, 2006, from http://en.wikipedia.org/w/index.php?title=Time_value_of_money&oldid=89001893) did you know that you can integrate any formula into your own homepage? try it! insert this code into your page: <script src="http://formularium.org/js.php?go=66"></script>