How to use this calculator
Explore compound growth using an illustrative fixed annual rate. Change monthly contributions to see their impact.
Growth calculation
The annual nominal rate is divided by compounding periods, then converted into an equivalent monthly growth factor. Contributions arrive at each month’s end.
Return is not guaranteed
Investment markets do not grow at a fixed return, and investment fees, taxes and inflation are excluded.
Small contributions matter
Compare different contribution amounts rather than focusing on one hypothetical annual return.
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