Savings Goal Calculator
Calculate a monthly contribution for a savings target and deadline.
Plan your savings target
Savings plan
Required monthly deposit
Deposit this amount at the end of each month for 5 years.
- Projected balance
- $50,000
- Total deposits
- $44,200
- Estimated interest
- $5,800
Projection only. Rates can change, and actual results are not guaranteed.
Your entries and results stay in this browser. This tool does not send, save, or add them to the page address.
How to use the savings goal calculator
Enter the amount you want to have, the money already set aside, an assumed annual interest rate, and the number of years until the deadline. The result estimates the equal deposit needed at the end of each month.
The breakdown separates deposits from projected interest. This can help you compare a shorter deadline with a smaller monthly contribution over a longer period.
How the projection works
The calculator compounds the current balance and monthly deposits using one-twelfth of the annual rate each month. Monthly deposits are assumed to occur at the end of each month. At a zero percent rate, the remaining target is divided evenly across the available months.
If the current balance alone is projected to meet the target, the required monthly contribution is zero. The projected balance then shows what that existing savings could become without additional deposits.
Planning with changing assumptions
The entered rate remains constant for the entire calculation. Real account rates, investment returns, taxes, fees, and inflation can change over time. A high assumed rate reduces the calculated monthly deposit, but it does not make that return more certain.
Use the estimate as a scenario rather than a guarantee. Revisit the calculation when your goal, balance, timeline, or realistic expected return changes.
Frequently asked questions
How is the required monthly savings amount calculated?
The calculator first projects how the current balance could grow with monthly compounding. It then spreads the remaining target across equal end-of-month deposits, including the assumed growth those deposits could earn.
What happens if my current savings could already reach the goal?
The required monthly contribution is shown as zero when the projected current balance reaches or exceeds the target by the deadline. The projected balance may be higher than the target because the calculator does not assume withdrawals.
Does the result account for inflation, taxes, or fees?
No. The calculation uses a constant nominal annual rate and does not include inflation, account fees, taxes, changing rates, missed deposits, or withdrawals. Those factors can change the amount needed.
Is the estimated interest guaranteed?
No. The interest figure is a mathematical projection from the rate entered. Actual savings and investment returns can change, and some investments can lose value.