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Australia

AI Blood Alcohol Calculator – NSW & QLD Driver Limit 🇦🇺

Get a fast, personalised, and reliable blood alcohol estimate with our AI-powered calculator. Make informed and safe decisions.

0.05% BAC Legal limit
  • Instant BAC estimate
  • Sobriety timeline
  • Legal limits for 40+ countries
Current BAC {{ liveBacNumber }}{{ liveBacUnit }}
Time until {{ impactLimitLabel }} {{ liveToLimit }}
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End session?

ℹ️ Information

CONTEXT
🌎 Country
Show results in
ABOUT YOU
Sex
Weight

Age

🪪

Food intake

🍽️

🍹🍸🍺 Drinks

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%

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Maximum number of drinks reached.

Tries left:

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📈 Results

Current BACPeak BAC {{ initialSobriety }}{{ unitSign }} Measured for Now · Legal limit {{ countryLimit }}{{ unitSign }}
Status:
Above the legal limit. Close to the legal limit — this estimate could already be over. Below the legal limit.

Current BAC

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Measured for Now

Legal limit

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Based on AU law ·

Elimination rate

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Assumed average

Standard Drinks

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Approx. consumed

Pure Alcohol (g)

{{ alcoholGrams }} g
Total ethanol consumed

Calories

{{ calories }} kcal
From alcohol only — mixers add more

Time over limit

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Estimated duration above the legal driving limit
For your own safety, we recommend using a rate no higher than the average.
Current BACPeak BAC {{ initialSobriety }}{{ unitSign }} Measured for Now · Legal limit {{ countryLimit }}{{ unitSign }}
Status:
Above the legal limit. Close to the legal limit — this estimate could already be over. Below the legal limit.
{{ afterLabel }} {{ $t('unit.' + units) }} Status
{{ result.time }} {{ result.drunkenness }}
  • Below the legal limit.
  • Close to the legal limit — this estimate could already be over.
  • Above the legal limit.

This is general information, not legal advice, and the estimate is approximate. The only safe level before driving is zero.

Keep this page open until then, or the notification won’t arrive.

Sobriety Over Time

Your estimated BAC as your body clears the alcohol

Time until {{ zeroTargetLabel }} {{ sobrietyDuration }}
  • {{ lookaheadBacDisplay }}{{ unitSign }} Above the legal limit. Close to the legal limit — this estimate could already be over. Below the legal limit.
  • {{ $t('unit.' + units) }}
  • Legal limit ({{ countryLimit }}{{ unitSign }})
👮 Health impact and legal consequences
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🤖 AI Analysis

📝 AI Notes

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AI-Powered BAC Calculator

The AI BAC (Blood Alcohol Concentration) Calculator uses advanced artificial intelligence to provide a personalised and accurate prediction of how alcohol will affect you. By analysing factors like weight, gender, age, and alcohol consumption, our AI estimates your BAC and predicts the time it will take to sober up.

Why is AI more accurate than traditional BAC calculators?

  • Personalisation: Unlike traditional calculators that use generic formulas, our AI adapts to your specific biological factors.
  • Data-Driven Learning: The AI learns from vast datasets of real-world BAC measurements and physiological responses to continuously improve its accuracy.
  • Complex Variables: Our AI can incorporate additional factors like food intake, drinking pace, and physical activity for a more comprehensive analysis.
  • Context-Aware Recommendations: The AI provides more than just numbers; it offers guidance on safety, such as when you will be back under the limit, based on your context.

This tool is designed to help you make responsible decisions, such as determining where you stand against the limit or perform tasks that require full alertness.

Data used for calculations

Seven factors that determine your result

Weight
Body weight determines how alcohol distributes in the body — more weight means a lower blood alcohol concentration.
Sex
Men and women metabolise alcohol at different rates because of differences in body water content.
Age
Body water content declines with age, so the same amount of alcohol pushes peak BAC higher.
Amount
The amount of pure alcohol consumed is the main factor that determines your BAC result.
Strength
A higher strength (%) means more ethanol in the same drink serving.
Food
Food in your stomach slows alcohol absorption — drinking on an empty stomach can nearly double the peak BAC.
Time
The timing of your drinks shows how BAC changes hour by hour and when you'll be sober again.

How much does Australia drink?

Alcohol consumption per adult, per year

11.2L

litres of pure alcohol per adult (15+), per year

Per adult, that is roughly:

597 beers ≈ 11/week
622 glasses of wine ≈ 12/week
700 shots ≈ 13/week
11.2 L
0.1 L Ø 4.2 11.2 L

169% above the regional average

Ranks #1 of 25 in Western Pacific Ranks #15 of 188 in the World Average in Western Pacific: 4.2 L

How neighbours compare

#1 Australia 11.2L #1 Western Pacific
#2 New Zealand 9.2L #4 Western Pacific
#3 Japan 6.3L #7 Western Pacific
#4 Singapore 2.0L #15 Western Pacific
#5 Malaysia 0.8L #20 Western Pacific
#6 Indonesia 0.1L #25 Western Pacific

How safe are the roads in Australia?

Road traffic deaths per 100,000 people, per year

4.5 /100k

road traffic deaths per 100,000 people, 2021

~43% of road deaths linked to alcohol WHO estimate, 2019 · 30–56%
22 road deaths per week WHO estimate, 2021
10 alcohol-linked deaths per week WHO-derived estimate
4.5
0.0 Ø 10.8 22.2

59% fewer road deaths than the regional average

#5 safest of 28 in Western Pacific #24 safest of 195 worldwide Average in Western Pacific: 10.8 per 100k

How neighbours compare

#1 Singapore 1.9 #2 Western Pacific
#2 Japan 2.7 #3 Western Pacific
#3 Australia 4.5 #5 Western Pacific
#4 New Zealand 6.6 #8 Western Pacific
#5 Indonesia 11.3 #15 Western Pacific
#6 Malaysia 13.9 #19 Western Pacific

Latest available year shown per country.

LIMITS NEARBY

BAC limits in neighboring countries

Explore the legal blood alcohol concentration (BAC) limits for drivers in nearby countries.

MY

Malaysia

0.05%
Moderate

Common Penalties in Australia

Consequences of exceeding the legal BAC limit

0.05% – 0.079% BAC (low range)
Low-range drink driving (NSW)
  • Maximum fine AUD 2,200 on a first offence (20 penalty units at $110), AUD 3,300 on a repeat — no imprisonment is available for this range
  • Automatic disqualification 6 months; a court may shorten it to 3 months, but no further
  • No vehicle impoundment for this range
0.08% – 0.149% BAC (middle range)
Middle-range drink driving (NSW)
  • Maximum AUD 2,200 or 9 months imprisonment, or both, on a first offence; AUD 3,300 or 12 months on a repeat
  • Mandatory interlock order: 3–6 months disqualification, then at least 12 months on an interlock licence
  • Impoundment only if you were convicted of an alcohol-related major offence in the previous 5 years
0.15%+ BAC (high range)
High-range drink driving (NSW)
  • Maximum AUD 3,300 or 18 months imprisonment, or both, on a first offence — AUD 5,500 or 2 years on a repeat
  • Mandatory interlock order: 6–9 months disqualification, then at least 24 months on an interlock licence (9–12 months and 48 months on a repeat)
  • Impoundment applies only where there is an alcohol-related major offence conviction in the previous 5 years

Tips for Responsible Drinking

Practical tips for safer drinking

Pace yourself
Stick to the "one drink per hour" rule – your liver needs time to process alcohol.
Eat before and while drinking
A solid meal slows alcohol absorption – an empty stomach raises BAC faster.
Drink water
After each alcoholic drink, have a glass of water – it reduces dehydration and health risks.
Don't drive
Even small amounts of alcohol impair reaction time. If in doubt, call a taxi or stay overnight.

Source: Australian Government Department of Health.