Investment Calculator

Calculate compound interest and plan your investment growth over time.

Investment Parameters

Initial Investment ($)

Monthly Contribution ($)

Annual Return Rate (%)

Time Horizon (Years)

Investment Results

Final Value

Total Contributions

Interest Earned

Return Multiple

Year-by-Year Breakdown

Year	Starting Balance	Annual Contribution	Interest Earned	Ending Balance

How to Use This Calculator

This investment calculator helps you understand how compound interest can grow your investments over time:

Initial Investment: The amount you're starting with
Monthly Contribution: How much you plan to add each month
Annual Return Rate: Expected yearly return (7-10% is typical for stock market)
Time Horizon: How many years you plan to invest
Compounding Frequency: How often interest is calculated and added

Note: This calculator assumes regular monthly contributions and doesn't account for taxes, fees, or market volatility. Past performance doesn't guarantee future results.

Open Source: The calculation engine powering this tool is available on GitHub: ⚡ investment_growth_cal