Compound Interest
Calculator
See how your money grows with compound interest. Detailed yearly breakdowns, growth charts, milestone tracking, and mentor insights.
COMPOUND GROWTH ENGINE
$
$
%
Compounding
Currency
Final Balance
$319,144
60.8% from interest
Initial Investment
$5,000
Total Contributions
$125,000
Interest Earned
+$194,144
Duration
20Y
Milestones Reached
$10Kin year 1
$100Kin year 10
Mentor Insight
Starting year 9, your annual interest earned surpasses your annual contributions. Your money is working harder than you are.
Growth Over Time — Contributions vs Interest
Understanding Compound Interest
What is Compound Interest?
The 8th Wonder of the World
Compound interest is interest calculated on both the initial principal and the accumulated interest from previous periods. Unlike simple interest, your earnings generate their own earnings — creating exponential growth over time. The longer your money compounds, the faster it grows.
Time is Power
Starting 10 years earlier can double your final balance, even with smaller contributions.
Rate Matters
A 2% difference in annual return can mean hundreds of thousands over a lifetime.
Consistency Wins
Regular contributions, no matter how small, compound into significant wealth over decades.
The Formula
FV = P(1 + r)n + PMT \u00D7 ((1 + r)n - 1) / r
Past performance does not guarantee future results. This calculator provides estimates for educational purposes only. This is not financial advice. Actual returns will vary based on market conditions, fees, and other factors.
