Explosion Tools

Compound Interest Calculator

Calculate compound interest on savings or investments with customizable rates and periods.. Kostenlos, ohne Anmeldung, funktioniert im Browser.

Final Balance
$20,096.61
Total Interest
$10,096.61
Total Contributions
$10,000.00

All calculations happen in your browser. No data is sent to any server.

Über Compound Interest Calculator

Calculate how your money grows over time with compound interest. Enter your initial investment, annual interest rate, compounding frequency, and time period. See a year-by-year breakdown of your balance growth. Optionally add regular monthly contributions. Uses the standard compound interest formula A = P(1 + r/n)^(nt). Runs entirely in your browser.

Häufig gestellte Fragen

What is compound interest?
Compound interest is interest calculated on both the initial principal and the accumulated interest from previous periods. This causes your balance to grow faster over time compared to simple interest.
What compounding frequencies are supported?
Daily (365x/year), monthly (12x), quarterly (4x), semi-annually (2x), and annually (1x).
Can I include monthly contributions?
Yes. Enter a monthly contribution amount to see how regular deposits accelerate your growth alongside compound interest.

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