Compound Interest Calculator
Calculate how your money can grow with compound interest. See how regular contributions and time can significantly increase your investment returns.
Step 1: Investment Details
Understanding Compound Interest
Compound interest is interest calculated on the initial principal and also on the accumulated interest of previous periods. This leads to exponential growth over time.
Step 2: Interest Details
The Power of Compounding
The more frequently interest is compounded, the faster your investment grows. Starting early and contributing regularly maximizes the power of compound interest.
Compound Interest Results
Total Future Value of Your Investment
Interest Rate Comparison
| Interest Rate | Total Contributions | Interest Earned | Final Balance | Difference |
|---|
Investment Growth Over Time
Compound Interest Formula
A = P(1 + r/n)^(nt) + PMT × [((1 + r/n)^(nt) – 1) / (r/n)]
Where: A = Future value, P = Principal, r = Annual interest rate, n = Compounding frequency per year, t = Time in years, PMT = Monthly contribution.
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