How to use this tool
Enter an initial amount, annual interest percentage, time in years, additional deposits per month and compounding frequency. Review the projected ending balance and a contribution breakdown.
Quick steps
- Enter starting balance, annual rate and number of years.
- Optionally add monthly savings and choose the compounding frequency.
- View projected total, deposits and earned interest.
Practical tip
This models a constant nominal annual rate and end-of-month deposits. Actual investments may lose value and involve taxes, inflation, fees or variable returns; projected results are not guaranteed.
Common questions
Does it include additional monthly deposits?
Yes. Monthly contributions are applied at month end and earn interest afterward.
Can the interest rate be zero?
Yes. In that case the balance equals your initial amount plus deposits.
Does the result account for inflation?
No. It projects nominal balances without taxes, fees or inflation adjustments.