Compound Interest Calculator | Master Money
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Free Financial Tool

Compound Interest
Calculator

See exactly how your monthly contributions grow into wealth over time. Use this after finding your retirement number to model the path to get there.

Your Numbers

Your Retirement Goal
$
Starting Balance $0
$
$0$500K
Monthly Contribution $500
$
$0$5,000
Annual Rate of Return 7%
%
1%15%
Investment Period 30 years
yrs
1yr50yrs
Compound Frequency
Final Balance
$0
Total Contributed
$0
Out of pocket
Interest Earned
$0
You'll reach 0% of your $1,000,000 goal
0%
Show inflation-adjusted value (3% / yr)
Contribution Split
Contributions: 0% Interest: 0%
Growth Over Time

What If You Contributed More?

See how boosting your monthly contribution accelerates your wealth

+25%
$0
Final Balance
+50%
$0
Final Balance
2x
$0
Final Balance
Accumulation Schedule
Year Deposit Interest Total Contrib. Balance

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© 2025 Master Money • This calculator is for educational purposes only and does not constitute financial advice.