Compound Interest Calculator
Instantly calculate compound interest and future value of your savings or investments. Enter principal, rate, time, compounding frequency, and optional contributions. Get growth details, interest earned, and download your result.
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About the Compound Interest Calculator
The Compound Interest Calculator by Multi Tools instantly computes your investment’s future value, interest earned, and gives a complete growth breakdown for SEO phrases like compound interest calculator, wealth growth estimator, and compounding returns tool.
How to use:
- Enter your initial amount (principal), rate, time, compounding frequency, and optional recurring amount.
- See total future value, total interest, and download the full result—all private, mobile-friendly, and fast.
* Formula: A = P(1 + r/n)nt + [PMT × ((1 + r/n)nt - 1) / (r/n)]
where A = amount, P = principal, r = annual rate, n = periods/year, t = years, PMT = per-period contribution.