Compound Interest Calculator with Monthly Contributions — Free Tool
← Back to Home

Compound Interest Calculator with Monthly Contributions

Use this free Compound Interest Calculator with Monthly Contributions to see how your savings grow over time. Get projections with charts and tables.

Calculator

Final Balance

Total Contributions

Total Interest

YearStartContributionsInterestEnd

Compound Interest Calculator with Monthly Contributions

The Compound Interest Calculator with Monthly Contributions allows you to project the growth of your savings or investments by combining compound interest with regular monthly deposits. It’s perfect for long-term financial planning like retirement or education funds.

What is Compound Interest Calculator with Monthly Contributions?

This calculator projects your investment’s future value when interest is compounded monthly and when you make consistent monthly contributions. It’s a powerful way to see how small, regular deposits create significant growth over time.

How to Use This Compound Interest Calculator with Monthly Contributions Tool

  1. Enter your initial investment.
  2. Add your monthly contribution amount.
  3. Input the annual interest rate.
  4. Set the number of years.
  5. Click calculate to view results.

Formula Behind the Calculator

FV = P(1 + r/12)^(12*t) + PMT × [(1 + r/12)^(12*t) - 1] / (r/12)
  • P = initial principal
  • PMT = monthly contribution
  • r = annual interest rate (decimal)
  • t = years

Example Calculation

If you invest $5,000 initially, contribute $300 monthly, at 6% annual interest for 20 years, you will accumulate over $139,000.

Benefits of Using Compound Interest Calculator with Monthly Contributions

  • Highlights the impact of regular contributions
  • Encourages disciplined savings habits
  • Helps plan for retirement, education, or large purchases
  • Provides a visual chart of long-term growth

FAQs about Compound Interest Calculator with Monthly Contributions

Q: Why add monthly contributions?

A: Because small, consistent deposits accelerate wealth accumulation with compounding.

Q: Does it use monthly compounding?

A: Yes, it compounds monthly to match monthly deposits.

Q: Can I enter zero contributions?

A: Yes, the calculator works with or without contributions.

Q: Is inflation included?

A: No, results are nominal. Adjust rates for real returns.

Conclusion

Try this Compound Interest Calculator with Monthly Contributions to plan your savings growth. Explore different scenarios by adjusting contributions, time, and rates.

Scroll to Top