Compound Interest Calculator
Project investment growth from starting balance, monthly contribution, return rate, and years.
Category
How to Use
- Enter starting amount, monthly contribution, expected annual return, and years
- The tool compounds monthly and adds contributions at month end
- Review future value, total contributions, interest earned, and yearly growth
Examples
-
Long-term recurring investment
Input:
Initial 10000, monthly 500, return 7%, 20 yearsOutput:
Shows future value, total contributions, and compound growth
FAQ
- How is compounding calculated?
- Each month grows by the monthly rate, then the monthly contribution is added, repeated through the selected period.
- Can return be negative?
- Yes. Negative return can be used for loss or stress-test scenarios.
- Is this investment advice?
- No. It is only a math estimator and does not provide investment advice.
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