What does this compound interest calculator include?

It calculates growth from an initial amount plus optional monthly contributions.

What does compounding frequency mean?

It’s how often interest is applied (daily/monthly/quarterly/etc.), which changes the final amount.

The table shows starting balance, contributions, interest earned, and ending balance per year.

Yes. You can export the yearly breakdown as a CSV file.

No. Calculations run locally in your browser.

Quick Presets:

Initial Amount ($)

Monthly Contribution ($)

Annual Interest Rate (%)

Compound Frequency

Time Period (Years)

Year	Starting Balance	Contributions	Interest	Ending Balance