Map a savings target into months
A savings goal becomes easier to manage when it is translated into a monthly pattern. Enter the amount you want to hold, what is already in the account, the amount you expect to add each month and an annual savings rate. This is useful for a home deposit, emergency reserve, holiday or planned purchase.
The estimate is a planning timeline, not a promise from a bank. A separate savings account, scheduled transfer and regular review can make the inputs easier to track. If the target includes a property purchase, remember that the deposit is only one part of the cash needed; duties, moving costs and lender or legal costs may also matter.
How to read the results
Estimated time to target is the first whole month in which the projected balance reaches or exceeds the target. Achieved balance is the balance in that month, so it can be slightly above the goal because deposits and interest are applied in monthly steps.
Interest earned is the projected balance less the opening balance and all monthly savings. Monthly saving repeats your entered contribution; it is not a recommended amount. The progress chart shows the modelled balance over the calculated period rather than a forecast of an account provider’s rate.
Worked example
With the default $50,000 target, $5,000 starting balance, $1,000 saved at each month end and a 4.5% annual savings rate, the target is reached in 41 months. The projected achieved balance is $50,060 and projected interest earned is $4,060.
That result assumes every contribution occurs and the rate remains unchanged for about three years and five months. A different deposit timing, withdrawal or rate will change both the month reached and the interest figure.
Assumptions and limitations
- The opening balance is available from the start of the projection.
- Savings are added at the end of every month.
- The entered annual savings rate remains constant and compounds monthly.
- Interest is calculated before each end-of-month contribution.
- Tax on interest, account fees, withdrawals and bonus-rate conditions are excluded.
Frequently asked questions
Why is the achieved balance higher than my target?
The model reports whole months, so the next monthly interest and contribution can carry the balance above the exact target.
Can I use a zero savings rate?
Yes. With a positive monthly contribution, the timeline is driven by contributions alone; with neither savings nor earnings, a higher target cannot be reached.
Does this include a bank bonus interest rate?
No. Enter a rate you choose for planning, but check account balance caps, deposit rules and eligibility conditions separately.
This calculator and supporting information provide general estimates only. They do not take account of every product rule, tax consequence or personal circumstance and are not financial, tax, credit or legal advice.