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Compound Interest Calculator

Calculate compound interest growth. This tool runs 100% locally in your browser.

Financial Disclaimer: This calculator is for estimation purposes only. Financial decisions should be made after consulting with a professional advisor. We do not guarantee the accuracy of results and are not responsible for any financial losses.

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🔄 Regular Contributions
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Compound Your Wealth

See how your investments grow over time with periodic contributions and interest.

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What is Compound Interest Calculator?

See the magic of compound interest. Calculate how your investments grow over time when interest is reinvested. Great for planning retirement accounts, savings growth, or understanding the cost of long-term debt.

When to Use This Tool

  • 1Retirement planning (401k/IRA)
  • 2Investment growth projection
  • 3Savings account forecasting

Formula Used

A = P(1 + r/n)^(nt)

Examples

Input
Principal: $1000, Rate: 5%, compounded annually for 10 years
Result
Total: $1,628.89

Frequently Asked Questions

What is compounding frequency?

It's how often interest is added to the principal (e.g., Monthly, Annually). More frequent compounding leads to higher returns.

Privacy & Security

Privacy is our priority. Unlike many other online tools, ToolsHub doesn't upload your data to any server. Whether you're processing sensitive text, calculating financial data, or generating passwords, everything stays in your browser.