Investment Calculator
Calculate the future value of your investments, including regular contributions and compound interest.
Investment Calculator
Enter your investment details below to calculate the future value, total contributions, and interest earned.
Investment Summary
Investment Breakdown
Chart will appear here after calculation
Contribution Schedule
| Period # | Date | Contribution | Interest Earned | Ending Balance |
|---|---|---|---|---|
| Contribution schedule will appear here after calculation | ||||
Detailed Schedule
View a complete breakdown of each period, including contributions, interest earned, and ending balance.
Flexible Options
Calculate investments with various compounding and contribution frequencies to suit your financial plan.
Visual Insights
See visual breakdowns of your investment growth with interactive charts showing contributions vs. interest.
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What is an Investment Calculator?
An Investment Calculator is a powerful financial planning tool that helps you project how much your money will grow over time. Whether you're saving for retirement, a child's education, or a major purchase, understanding the impact of compound interest and regular contributions is essential for hitting your goals.
Our tool takes your initial principal, your monthly contributions, and your expected rate of return to create a detailed projection of your future wealth. It accounts for different compounding frequencies—from daily to annually—to give you the most accurate results possible.
The Power of Compounding
Albert Einstein reportedly called compound interest the "eighth wonder of the world." Here's why it matters:
- Interest on Interest: You don't just earn returns on your initial deposit; you earn returns on the returns you've already made.
- Time is Your Ally: The longer you leave your money invested, the more dramatic the growth becomes in the later years.
- Consistency Wins: Small, regular monthly contributions can often result in more wealth than a single large deposit made later in life.
How to Plan Your Investment
- Enter your Initial Investment (the amount you have right now).
- Set a Regular Contribution (what you can afford to save each month).
- Enter your expected Annual Return (historically, the S&P 500 averages around 7-10%).
- Choose your Investment Term (how many years until you need the money).
- Review the Future Value to see your projected total.
Investment Planning FAQ
What is a "good" rate of return?
A "good" rate depends on your risk tolerance. Savings accounts might offer 1-4%, while a diversified stock portfolio has historically returned 7-10% annually. High-risk investments could offer more, but with a greater chance of loss.
How does inflation affect my investment?
This calculator shows nominal value (the actual dollar amount). In reality, inflation reduces purchasing power over time. To estimate "real" growth, you can subtract an expected inflation rate (usually 2-3%) from your annual return rate.
What is compounding frequency?
Compounding frequency is how often the interest is calculated and added back to your balance. The more frequent the compounding (e.g., daily vs. annually), the faster your money grows, though the difference is usually small for most modest investments.
Does this include taxes?
No, this calculator does not account for capital gains taxes or income taxes. If you are using a taxable brokerage account, you will need to account for the government's share of your profits.