Rent Calculator: Weekly to Monthly Rent

Convert rent between weekly, fortnightly, monthly and yearly amounts using the standard Australian formula: (weekly ÷ 7) × 365 ÷ 12. Works the other way too, from monthly to weekly.

Rent Breakdown

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10-Year Rent Projection

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Over 10 years at 0% annual growth, your weekly rent would increase from $0 to $0.

Weekly to monthly rent table

Common weekly rents converted to fortnightly, calendar monthly and yearly amounts. For any other amount, type it into the converter above.

WeeklyFortnightlyMonthlyYearly
$300$600$1,303.57$15,643
$350$700$1,520.83$18,250
$400$800$1,738.10$20,857
$450$900$1,955.36$23,464
$500$1,000$2,172.62$26,071
$550$1,100$2,389.88$28,679
$600$1,200$2,607.14$31,286
$650$1,300$2,824.40$33,893
$700$1,400$3,041.67$36,500
$750$1,500$3,258.93$39,107
$800$1,600$3,476.19$41,714
$850$1,700$3,693.45$44,321
$900$1,800$3,910.71$46,929
$950$1,900$4,127.98$49,536
$1,000$2,000$4,345.24$52,143

How does the rent converter work?

This rent converter works in both directions. Unlike simple calculators that only accept a weekly figure, you can type into any frequency field (daily, weekly, fortnightly, monthly, or yearly) and watch all other fields instantly re-calculate in real time, with zero rounding errors.

If you receive a lease offer stated as a calendar monthly amount, simply type it into the "Monthly" box to discover the exact weekly or daily equivalent. This ensures you can easily compare lease offers on a common baseline.

How do you calculate calendar monthly rent?

In Australia, most agents and property managers use a standard formula to calculate monthly rent, because months have different numbers of days. If you simply multiply the weekly rent by 4, you will underpay, as there are 52 weeks but only 12 months (4 weeks × 12 = 48 weeks).

The Standard Australian Formula:

(Weekly Rent ÷ 7) × 365 ÷ 12

* Note: For leap years, some agents use 366 days, but 365 is the industry standard for most residential tenancy agreements.

Converting weekly rent to monthly: a worked example

Rent in Australia is usually advertised weekly, but many people budget monthly and some leases are paid by calendar month. Quick shortcuts like multiplying by four leave a gap that adds up over a year, so it's worth knowing the exact figure.

Worked example: $650 a week

A two-bedroom unit is advertised at $650 a week.

Daily ($650 ÷ 7)
$92.86
Yearly (daily × 365)
$33,892.86
Fortnightly (weekly × 2)
$1,300
Shortcut: weekly × 4
$2,600
Shortcut: weekly × 4.33
$2,814.50
Calendar monthly (yearly ÷ 12)
$2,824.40

Multiplying by four undercounts by $224.40 a month, or about $2,693 a year. The converter above rounds monthly figures up to the nearest dollar.

Common mistakes

  • Multiplying weekly rent by four

    There are about 4.35 weeks in an average month, so × 4 understates the monthly cost by roughly 8%.

  • Comparing listings on different bases

    Convert every listing to the same frequency before comparing, especially when some are quoted monthly.

  • Budgeting without the bond and rent in advance

    Moving in usually means paying a bond and some rent upfront. The renters cost planner adds these up by state.

  • Forgetting rent increases

    Most leases allow rent increases at set times. Leave room in your budget rather than planning to the dollar.