Sunday, 4 April 2010

Rule of 72



I came across a fast and easy to estimate the number of years it takes to double or halve your fund given the return of investment in percentage and thought some of you might find it helpful.

Example 1) Given that I invest into an investment vehicle that can give me returns of 12% per annum, how long does it take for my investment fund to double?
Number of Years to double = 72/12 = 6 years

Example 2) Given that I would like to double my fund in 5 years, how much returns my investment has to clocked for me to double my fund in 5 years?
Annual return = 72/5 = 14.4%

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