Savings Goal Calculator
Calculates the monthly savings amount needed to reach the target amount and timeline, then checks if it can be contributed to meet the goal.
Input
The example value has been entered. Check it immediately or change the value.
Input is processed in the browser. Refreshing returns a sample value.
Result
Check or change the value using the example value result.
This is a calculation assuming monthly contributions and a certain monthly effective return rate. It does not reflect taxes·fees·inflation·return rate changes or the actual interest calculation of financial institutions, nor guarantees goal achievement or profit.
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Calculation·conversion criteria
Calculates the monthly savings required at month-end and whether the target is reached based on the target amount, current balance, period, and assumed return rate.
Input example
Target 30,000,000 won · current 3,000,000 won · 450,000 won per month · 3% per year · 5 years
Target 30,000,000won, current 3,000,000won, effective annual return rate 3%, 5-year period means the monthly required contribution is 410,682won. If 450,000won is input as the monthly contribution, the expected balance for the same assumption is 32,539,255won. The amount is rounded up to won units to avoid missing the target.
How to use
- Use the provided example value or replace the target amount (won), current savings amount (won), annual return rate assumption (%), target period (years), and monthly savings amount (won) fields.
- Click Verify result and check the following result.
- Result can be copied if needed.
Frequently Asked Questions
How is the monthly savings amount needed for the goal calculated?
First calculate the expected amount at the target date based on the current amount, then divide the target amount by the cumulative growth factor of the monthly payment at the end of the month. The required amount is rounded up to the nearest dollar.
How is the monthly savings potential insufficient indicated?
It shows the difference between the target amount expected at the future date and the required monthly contribution calculated from the entered monthly savings amount. It does not automatically increase the period deemed insufficient.
If I save the calculation result, will it ensure the goal?
No. It is merely a calculation assuming a fixed return rate and monthly payments. Actual returns, taxes, fees, inflation, and payment timing may vary.
Calculation criteria and reference materials
- Investor.gov — savings goal calculator
Reference material for calculating the monthly contribution needed based on target amount, current amount, period, and assumed return rate. The monthly contribution and effective annual return rate assumption of this tool are published separately below.
- Investor.gov — compound calculator
Range of a public calculator that inputs initial amount, monthly payment, duration, and user‑assumed return rate. This tool specifies its own monthly conversion assumption for effective annual return rates.
Verification of calculation criteria: · Calculation·verification principles · Report errors