How to calculate how many standard drinks you can have

Often the label on the bottle saying how many standard drinks it contains confuses people. How are these standard drinks calculated and what is it based on? How many of them can I have to be able to drive? Let us try to answer these questions for you.

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The limit of Blood Alcohol Concentration (BAC) that allows you to drive in Australia is set on 0.05. It means that for every 100 millilitres of blood in your body you can have 50 milligrams. Everything that goes above this blood-alcohol balance disqualifies you as a driver. Many people are supposedly familiar with these numbers since every driver had to answer a question or two related to BAC during the driving test.

However, the sad statistics on the death toll on the roads with 30% of them attributed to the alcohol abuse raise question – how many people are aware of the BAC legal limit and are able to calculate it for themselves.

What you should consider:

- Alcohol concentrations vary between drinks

- The size of the glass and volume of the drink

- Topped up factor

- Individual perception of alcohol

However, the most secure way to calculate BAC – set aside the calculation and abstain from driving when you are partying with alcohol, at least that is what the Transport Department of NSW says.