Free Compound Interest Calculator

Plan your investments, savings, retirement, and CDs. See how compound interest grows your money with charts and year-by-year breakdowns.

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Easy Calculations

Enter principal, monthly contributions, rate, and years to see your future balance instantly.

Visual Growth Charts

See your balance grow year by year with a clear inline SVG bar chart.

Multiple Scenarios

Plan investments, savings, retirement, and CDs all in one place.

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Calculations run in your browser. No account or personal data required.

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Choose the calculator that fits your financial goal.

Compound Interest

The main calculator for any compounding scenario.

Investment Growth

Project stock and portfolio growth over time.

Savings Growth

Estimate high-yield savings account balances.

Retirement Savings

Plan your nest egg and retirement timeline.
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Financial Guides

Learn the fundamentals of compound interest and smart investing.

What Is Compound Interest? Compound Interest vs. Simple Interest How to Start Investing Best Compound Interest Accounts The Rule of 72

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