What the calculation means
Weekly rent, groceries and transport are multiplied by 52 ÷ 12 to give an average month. A $600 weekly rent is $2,600 per average month, not $2,400. Monthly bills are added once, without a household-size multiplier. Results retain full precision internally and round only for display.
Rent uses the percentage paid by your household. Groceries use your chosen per-person allowance multiplied by the number of people in your budget. This is simple arithmetic, not an assumption that adults and children eat the same amount: choose an allowance that fits your household. Sharing rent does not automatically halve utility bills, internet or mobile costs.
The result is a partial recurring budget. Add health cover, childcare, education, car ownership, debt, leisure and savings to “Other costs” where relevant. Bond, prepaid rent, furniture, flights and moving expenses are not in the monthly subtotal. This tool does not calculate visa entitlements, rebates or financial suitability.
Dated transport inputs
Fare sources checked . The example covers up to five consecutive weekday commutes starting Monday, with two separate journeys per day for each fare-paying adult. It excludes weekend and extra travel. Use a route quote for your actual pattern.
| City | Weekly example | Monthly average |
|---|---|---|
| Sydney | $50.00 ceiling | $216.67 |
| Melbourne | $28.50 allowance | $123.50 |
| Brisbane | $5.00 | $21.67 |
- Transport for NSW adult Opal fares: the model adds daily ceilings of $19.30 Monday–Thursday and $9.65 Friday, capped at $50 per adult per Monday–Sunday week. Actual route fares may be lower. Sydney Airport station access fees are extra.
- Transport Victoria half-price fare announcement, published 22 May 2026: adult daily maximum $5.70 during the temporary period from 1 June 2026 until 1 January 2027. Five days × $5.70 = $28.50. SkyBus is excluded; a pass or a cheaper journey may reduce your cost.
- Translink 50-cent fares: ten ordinary fare-paying journeys × $0.50 = $5.00 a week. Airtrain is excluded. A journey can include eligible transfers, so do not count every vehicle boarding as a new journey.
Expiry guard: automatic fare examples are usable only from 30 September through 31 December 2026. After that the calculator asks for a current transport budget until the sources are checked again. Other capitals require your own transport figure now; no unverified fares are filled in.
Worked example you can reproduce
Scenario A starts with a hypothetical Sydney rent of $650/week, one person spending $120/week on groceries, a $50/week transport allowance, and $300/month in utilities ($200), internet ($70) and mobile ($30). The subtotal is ($650 + $120 + $50) × 52 ÷ 12 + $300 = $3,853.33/month. The $500 Melbourne rent is also hypothetical; using the $28.50 travel allowance produces $3,110.17/month.
These are example budgets, not claims about what apartments are available or how much a person needs to live comfortably. If the actual rent is $50/week higher, the monthly subtotal rises by $216.67. A $1,000 annual bill belongs in the budget as $83.33/month.
Cash needed to enter a NSW rental
For a standard NSW residential tenancy, NSW Fair Trading’s moving-in guidance sets out a bond of no more than four weeks’ rent and advance rent of no more than two weeks. At a hypothetical $550–$700/week, the four-week bond is $2,200–$2,800 and two weeks in advance is $1,100–$1,400: $3,300–$4,200 in total, before moving costs.
Advance rent pays for the first rental period, so do not count it again as an extra ongoing expense. Bond is cash tied up as security, not automatically money spent. This six-week example is NSW-specific; check the relevant state authority and your agreement elsewhere.
How to replace the sample inputs
- Shortlist comparable current rental listings: same bedroom count, dwelling type, area, parking and furnishing. Use the advertised weekly rent, not an undated city average.
- Use the same grocery basket in both scenarios unless you have evidence for a difference. Annual or quarterly bills need converting to monthly amounts.
- Check your exact commute, including airport fees, shift times and connections. For driving, include fixed ownership costs as well as petrol.
- Add expenses the sample leaves out. Compare the completed budget with take-home income, then test higher rent and bills.
Useful primary references are the NSW rent and sales reports, Victorian Rental Report and Queensland RTA median-rent lookup. Check the data period, location and dwelling definition before using any median. None of these datasets supplies this tool’s pre-filled rents.
Use ASIC Moneysmart’s budget planner for a fuller income-and-expense worksheet. Our three-city worked budget guide explains comparable scenarios; our Sydney-versus-Melbourne decision guide helps compare actual housing and job options.