Compound Interest Calculator

Enter your data in the grey cells. Six results are displayed representing daily, monthly, and annual compounding, with additions made at the beginning or end of the day, month or year.


Why do you see six different numbers?

If you invest a lump sum every year on January 1st, that money will get more time to compound than if you put in 1/365th of your investment at the beginning of each day. Conversely, investing incrementally each day for a year (or each month for 12 months) will beat a lump sum invested at the year’s end.

Other Calculators:

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