There are a lot of accommodation options available in the city or suburbs, and you can budget the rental price depends on your requirement. Most of the international students share a house or an apartment unit.

Hostels and Guesthouses - $90 to $150 per week
Shared Rental - $95 to $215 per week
On campus - $110 to $280 per week
Homestay - $235 to $325 per week
Rental - $185 to $440 per week
Boarding schools - $11,000 to $22,000 a year

Generally if you use public transport, one way cost from $ 3 to $ 6. The public transport rate of each states differ slightly. Every cities has different pass:
Sydney - Opal
Melbourne - myki
Perth - SmartRider
Brisbane - go card
Adelaide - metroCARD

Public transport - $30 to $60 per week

The utility cost for gas and electricity is around $10 to $20 per week. The cost might fluctuate depending on the season, for example you might use more electricity and hot water during winter. Mobile phone plan is also important because it helps us connect when we are on-the-go. Generally for a 30GB data plan, it will cost $ 30-$40 depending on the provider.

Gas, electricity - $10 to $20 per week
Phone and Internet - $15 to $30 per week

Eating out will cost from $ 13 - $ 25 on a typical restaurant. If you buy a meal from a fast food chain, it will cost you $10 - $ 14. The other alternative is to make your own meals to reduce your food expenses. Groceries shopping typically cost $ 80 - $ 280 per week. Time to try that recipe that you’ve been seeing in the social media!

Groceries and eating out - $140 to $280 per week

Now that we have the basic breakdown of living expenses in Australia, the cost can be quite high if you don't work part - time to support some of your expenses. Under Student visa, an international students is allowed to work up to 40 hours per fortnight while studying. The Australian government allows international students to do this to help you meet your living expenses. Considering a wage of 20 dollars an hour, if accumulates to 1600 dollars a month which is a very decent amount assuming you are living a student life.

When you are not enrolled to any semester which ranges from one to three months, you are legally allowed to work full time. This is the most critical time period of your period that let’s you make and save some decent money to aid your living and education when in Australia.

for students or guardians - AUD21,041
for partners coming with you - AUD7,362
for a child coming with you - AUD3,152

Check on The Insider Guides 'Cost of Living Calculator' to help estimate your cost of living in Australia.