Compound Interest Calculator
Estimate future value from principal, annual rate, years, and compounding frequency. Runs entirely in your browser.
Symbol only — amounts are not converted between currencies.
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Final amount (A)
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Interest earned
Example
Principal 10,000, rate 7%, 10 years, monthly → A ≈ 20,096.61.
FAQ
A = P(1 + r/n)nt, where r is the annual rate as a decimal, n is compounds per year, and t is years. Interest earned = A − P.
No — this models a single principal with no additional deposits or withdrawals.