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
Use standard Calculator FAQ
  • Instant BAC estimate
  • Sobriety timeline
  • Legal limits for 40+ countries

ℹ️ Information

CONTEXT
🌎 Country
Show results in
ABOUT YOU
Sex
Weight

Age

🪪

Food intake

🍽️

🍹🍸🍺 Drinks

Drink {{index+1}} 🍷

%

Maximum number of drinks reached.

Tries left:

We're experiencing high demand at the moment. Please try again in a little while.

📈 Results

Current BACPeak BAC {{ initialSobriety }}{{ unitSign }} Measured for Now · Legal limit {{ countryLimit }}{{ unitSign }}
Status:
Above the legal limit – do not drive. Close to the legal limit – driving not recommended. Safe to drive, but stay cautious.
{{ legalLimitTimeLabel }}

Current BAC

{{ initialSobriety }}{{ unitSign }}
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

{{ timeOverLimit || '0m' }}
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 – do not drive. Close to the legal limit – driving not recommended. Safe to drive, but stay cautious.
{{ legalLimitTimeLabel }}
{{ afterLabel }} {{ $t('unit.' + units) }} Status
{{ result.time }} {{ result.drunkenness }}
  • Safe to drive, but stay cautious.
  • Close to the legal limit – driving not recommended.
  • Above the legal limit – do not drive.
📉 Sobriety Over Time
👮 Health impact and legal consequences
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🤖 AI Analysis

📝 AI Notes

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Attention‼️ The results are only approximate, so make sure you are sober before driving.

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 it is safe to drive, based on your context.

This tool is designed to help you make responsible decisions, such as determining if it's safe to drive 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 time of your first drink 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
LIMITS NEARBY

BAC limits in neighboring countries

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

NZ

New Zealand

0.05%
Moderate
MY

Malaysia

0.05%
Moderate
SG

Singapore

0.08%
Relaxed
JP

Japan

0.03%
Strict

Drink Driving in Australia

Legal BAC limits for Australian drivers

Full licence holders
0.05%
Moderate
Commercial (truck & bus)
0.02%
Strict
Learner & P-plate drivers
0.00%
Zero tolerance
The 0.05% general limit applies nationally to full licence holders. Learner (L) and provisional (P) drivers must maintain 0.00% BAC. Heavy-vehicle, bus and dangerous-goods drivers are capped at 0.02% (some states require 0.00%). Random Breath Testing is enforced in every state and territory.

Common Penalties in Australia

Consequences of exceeding the legal BAC limit

0.05% – 0.149% BAC (low/mid-range)
  • Fine AUD 400–2,000+ for first offence
  • Licence disqualification 3–12 months
  • Vehicle impoundment common at mid-range (24–48 hours+)
0.15%+ BAC (high-range / aggravated)
  • Fine AUD 1,500–6,000+ — criminal offence in most states
  • Disqualification 12 months to multi-year
  • Mandatory impoundment 28+ days; imprisonment up to 2 years possible

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.

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