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Compound Interest Calculator

Enter your principal, an optional monthly deposit, annual rate, and term, then click Calculate to get the final amount and interest by yearly, monthly, daily, or custom compounding. See a year-by-year balance table and growth chart, copy or export the results as CSV or an image, and switch between KRW, USD, EUR, JPY, or a custom currency unit.

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Created
2026.08.30
Updated
2026.09.16
InputPrincipal, annual rate, and term are required
Principal
Leave as 0 if you only add monthly deposits
Monthly depositOptional
$
Fill in only if you add the same amount every month
Annual rate
%
Pre-tax annual rate
Term
Up to 50 years
Compounding
⌘ + Enter also calculates
ResultWaiting for input
You haven't calculated yetEnter the principal, annual rate, and term, then click Calculate.

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How to use

1.

Enter the principal, an optional monthly deposit, the annual rate, and the term.

2.

Pick a compounding period (yearly, monthly, daily, or a custom count) and click Calculate.

3.

The final amount appears as a year-by-year table and a growth chart, and you can copy the result, copy the table, or export it as CSV or an image.

4.

Switch the displayed currency between KRW, USD, EUR, JPY, or a custom unit.

FAQ

Tool info

Category Calculators
Processing Directly in your browser
Data storage Not stored
Created 2026-08-30
Updated 2026-09-16