Investing & Wealth Updated 2026-07-17
Compound Interest Calculator for Small Business
Use our free compound interest calculator for small business to calculate the future value of your savings or investments with compound interest. See exactly how much of your final balance comes from interest versus your initial principal.
The formula
How the calculation works
A = P(1 + r/n)^(nt)
Worked examples
Real-world scenarios
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FAQ
Common questions
What is compound interest?
It is the interest calculated on the initial principal, which also includes all of the accumulated interest from previous periods.
Why is compounding powerful?
Because you earn interest on your interest, causing your wealth to grow exponentially over time.