Compound Interest
Calculate compound interest.
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How it works
We use the annual rate you enter to convert to the monthly rate (effective monthly rate) and calculate the accumulated value of the initial capital and monthly contributions considered at the end of each month.
Example
With $1,000 initial, $100 monthly, 8% per year for 10 years, the calculator displays total accumulated, total contributions, and yield obtained, plus the annual table.
Frequently asked questions
What does the compound interest calculator consider?
It considers initial capital, monthly contributions, annual rate, and period in years. It calculates accumulated amount and shows an annual table.
Is the rate entered annual or monthly?
The rate is entered as an annual percentage; the tool automatically converts it to the effective monthly rate.
Are contributions considered at the beginning or end of the period?
Monthly contributions are considered at the end of each monthly period (end-of-period).