Start with what your essentials cost, then choose how many months you want covered.
- Monthly essentials
- $3,000
- Chosen cover
- 3 months
- Target
- $9,000
- Already saved
- $2,000
- Still to build
- $7,000
Three months is an example, not the right target for everyone. No interest is included.
Start with your own essentials
List the bills that continue even if income stops for a while: housing, groceries, utilities, insurance, transport and minimum debt repayments. Use recent statements where possible. An annual insurance bill belongs in the monthly budget too; divide it by twelve. The exercise is about the costs you need to cover, not a judgment about how your household spends.
Choose a number of months
Three months is the example used in the calculator. It is a planning starting point, not an individual recommendation. Variable income, dependants, health needs and available support can change the buffer you choose. You can also begin with a smaller first milestone if the full amount feels out of reach.
A worked planning example
If essential expenses are $3,500 a month, a three-month target is $10,500. With $2,000 already set aside, the remaining gap is $8,500. Saving $400 at the end of each month would take 22 whole months to close that gap when interest is excluded. This calculation assumes you do not need to spend the buffer along the way.
Build a monthly expense number you can explain
Here is an illustrative $3,500 monthly budget: $1,700 for housing, $600 for groceries, $300 for utilities and communications, $250 for transport, $200 for insurance, $250 for minimum debt repayments and $200 for other essentials. Replace every amount with your own records. If a $1,200 annual insurance premium is part of the $200 insurance allowance, it contributes $100 a month to that allowance; do not add another $1,200 to the monthly figure. A quarterly bill is divided by three. The calculator can multiply an expense total, but it cannot detect a frequency mistake inside that total.
Separate a known bill from a surprise
A registration renewal you expect in six months is a planned cost, even if it is large. You can track money for that bill separately from the buffer available for unexpected expenses. For example, a $3,200 savings account containing $1,200 reserved for a known bill leaves $2,000 for the emergency-fund calculation. Entering all $3,200 as available would make the emergency gap look $1,200 smaller while leaving the same cash committed to two jobs. This is a planning distinction; it does not require opening multiple bank accounts.
Give the first milestone its own calculation
In the $10,500 target example, moving from $2,000 to one month of essentials, $3,500, takes four $400 monthly contributions when interest is ignored. After those four contributions the balance is $3,600. The full three-month buffer takes 22 months, reaching $10,800 because the calculator rounds the required time up to a whole contribution period. It does not mean an additional $300 was required. If regular savings fall to $200, the original $8,500 gap takes 43 months. These smaller checks help distinguish progress from a change in the final target.
Recalculate after using the fund
Suppose the fund reaches $6,000 and then a necessary expense uses $1,500. The available balance becomes $4,500. Against the same $10,500 target, the new gap is $6,000, or 15 further monthly contributions of $400 without interest. Do not keep the old finish date if the balance or contribution has changed. If essentials are not currently affordable, entering a larger savings contribution will not solve that shortfall. Start with a budget and consider the free financial-counselling resources linked by Moneysmart when bills or debts are becoming difficult to manage.
Keep the buffer accessible
Think about how you would reach the money during an unexpected expense. A product with withdrawal restrictions or a risk of losing principal may behave differently from an accessible savings balance. If you use an offset as your cash buffer, check the account and loan terms. Avoid double-counting the same money as both a home deposit and emergency savings when planning two goals.
Review the plan when life changes
The target should respond to your expenses and circumstances. Revisit it after a move, a job change, a new dependant or a substantial bill increase. If the fund is used, re-run the calculation with the new balance and choose a replenishment contribution. A zero monthly contribution leaves a gap without a completion date; the tool displays that plainly rather than promising a timeline.
What should the target be based on?
Sources & update record
- ASIC Moneysmart: emergency funds ↗
- ASIC Moneysmart: starting to save ↗
- ASIC Moneysmart: how to do a budget ↗
Added a short explanation, simple example and knowledge check; retained the detailed guide and source record.
Published 18 Sept 2026 · Updated 18 Sept 2026. These dates do not guarantee rules are unchanged.
Published by Howloop. AI assists preparation. This lesson has not been reviewed by a licensed financial adviser. How we check our content →