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Compound Interest Calculator : Exponential Investment Growth

Discover the power of compounding on your savings and portfolio. Model wealth accumulation over decades with variable contributions and compounding periods.

Interactive Calculator

100% Client-Side Engine
%
yrs
Projected Future Investment Value
$37,506.06
Total Deposited Principal
$22,000
Total Compound Interest Growth
+$15,506.06

How to Use This Tool

  1. Enter initial principal deposit.
  2. Enter expected annual interest or return rate.
  3. Select investment horizon in years.
  4. Optionally add monthly ongoing contributions.
  5. Click Calculate to see future wealth total and year-by-year trajectory.