Compound Interest Calculator
The Eighth Wonder of the World
"Compound interest is the most powerful force in the universe." - Albert Einstein
Time Advantage
Starting 10 years earlier can double your final balance
Compounding Effect
Your money earns money, which earns more money
Exponential Growth
Small amounts become large sums over time
Compound Interest Calculator
See the magic of compound interest - how your money grows exponentially over time
S&P 500 historical average: ~10%
Final Results
Growth Over Time
Key Lessons About Compound Interest
Time is Your Best Friend
The earlier you start investing, the more time compound interest has to work its magic.
Consistency Matters
Regular monthly contributions can be more powerful than large one-time investments.
The Power of Growth
Small differences in interest rates compound into huge differences over time.
Einstein's "8th Wonder"
Einstein allegedly called compound interest "the eighth wonder of the world."
AI Financial Q&A Assistant
What You'll Learn
Core Concepts:
- • How compound interest works mathematically
- • The importance of starting early
- • Impact of different interest rates
- • Power of consistent contributions
Real-World Applications:
- • Retirement account planning (401k, IRA)
- • Investment strategy development
- • Understanding loan costs and debt
- • Setting realistic financial goals
Next Steps
1. Start Now
Even $25/month makes a difference. Open a high-yield savings account or investment account today.
2. Automate
Set up automatic transfers to make saving effortless. Pay yourself first every month.
3. Increase Gradually
Raise your contribution by 1% each year or whenever you get a raise. Small increases compound too!