Free Compound Interest Calculator-See Your Money Grow

Discover the power of compound interest with our ultimate investment calculator. This tool provides a comprehensive forecast of your investment's growth, factoring in initial deposits, regular contributions, and various compounding frequencies. Go beyond simple projections with advanced metrics, interactive charts, and a detailed year-by-year or month-by-month breakdown.

How to Use the Compound Interest Calculator

Get a detailed projection of your investment growth in a few simple steps:

1. Enter Initial Details: Start with your initial investment amount and the time horizon (in years and months) you plan to invest for.
2. Add Contributions: If you plan to make regular deposits, enter the amount, how frequently you'll make them (monthly, quarterly, annually), and an optional annual percentage increase to model saving more as your income grows.
3. Set Growth Assumptions: Input your expected annual interest rate and how often it will be compounded. Add an expected inflation rate to see the "real" value of your future money.
4. Calculate: Get an instant, detailed analysis of your investment's potential.

Understanding Your Results

• Future Value: The total projected balance of your investment at the end of the term.
• Advanced Metrics: We provide key insights like the Effective Annual Rate (your true annual return after compounding), the estimated Time to Double your money, and the crucial Value in Today's Dollars (your future balance adjusted for inflation).
• Interactive Breakdown: This is the most powerful feature. Use the toggles to switch between a visual **Chart** and a detailed data **Table**. You can also switch the view from a **Yearly** summary to a granular **Monthly** breakdown to see exactly how your money grows over time.

Disclaimer: This calculator is for educational and illustrative purposes. Investment returns are not guaranteed. This tool does not constitute financial advice. Consult a qualified financial professional for personalized investment advice.