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Compound Interest Calculator

Project an initial investment and recurring monthly contributions using monthly compounding.

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Estimated future value

$63,368
Total contributed$40,000
Estimated growth$23,368

A link to this result includes the entered numbers in its URL.

Assumes monthly compounding and end-of-month contributions. Returns are illustrative, not guaranteed.

Behind the result

About this Tool

Project an initial investment and recurring monthly contributions using monthly compounding.

How it works

Compounds the starting balance monthly and adds each contribution at the end of the month.

A practical way to use it

Compare a one-time deposit with a smaller deposit plus monthly contributions over the same period.

Use results as a practical aid, and verify important decisions against your own source data and qualified guidance.