🤖 AI Analysis
Singapore
AI Alcohol Calculator – Singapore Drink Drive Limit & BAC Chart 🇸🇬
Worried about your levels? Let our AI give you peace of mind with a fast, personalized, and reliable blood alcohol calculator — so you can stay within the Singapore drink driving limit of 80mg/100ml (about 0.08% BAC).
80 mg/100 ml
Drink-drive limit
- Instant BAC estimate
- Sobriety timeline
- Legal limits for 40+ countries
📈 Results
Current BACPeak BAC
{{ initialSobriety }}{{ unitSign }}
Measured for Now · Drink-drive limit {{ countryLimit }}{{ unitSign }}
Status:
Over the legal limit.
Close to the legal limit — this estimate could already be over.
Likely under the limit.
Current BAC
{{ initialSobriety }}{{ unitSign }}
Drink-drive limit
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Elimination rate
{{ decayRateDisplay }}{{ unitSign }} / h
Standard Drinks
{{ standardDrinks }}🍺
Pure Alcohol (g)
{{ alcoholGrams }} g
Calories
{{ calories }} kcal
Time over limit
{{ timeOverLimit || '0m' }}
For your own safety, we recommend using a rate no higher than the average.
Current BACPeak BAC
{{ initialSobriety }}{{ unitSign }}
Measured for Now · Drink-drive limit {{ countryLimit }}{{ unitSign }}
Status:
Over the legal limit.
Close to the legal limit — this estimate could already be over.
Likely under the limit.
| {{ afterLabel }} | {{ $t('unit.' + units) }} | Status |
|---|---|---|
| {{ result.time }} | {{ result.drunkenness }} |
- Likely under the limit.
- Close to the legal limit — this estimate could already be over.
- Over the legal limit.
This is general information, not legal advice, and the estimate is approximate. The only safe level before driving is zero.
Sobriety Over Time
Your estimated BAC as your body clears the alcohol
Time until {{ zeroTargetLabel }}
{{ sobrietyDuration }}
- {{ lookaheadBacDisplay }}{{ unitSign }} Over the legal limit. Close to the legal limit — this estimate could already be over. Likely under the limit.
- {{ $t('unit.' + units) }}
- Drink-drive limit ({{ countryLimit }}{{ unitSign }})
👮 Health impact and legal consequences
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{{ $t('impact.health') }}
{{ $t('impact.driving') }}
{{ $t('impact.legal') }}
- {{ $t('impact.status') }}
- {{ $t('impact.fine') }}
- {{ $t('impact.ban') }}
- {{ $t('impact.licence') }}
- {{ $t('impact.confiscation') }}
- {{ $t('impact.points') }}
- {{ $t('impact.aggravating') }}
{{ $t('impact.limit_note', { limit: impactLimitLabel }) }}
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📝 AI Notes
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AI Alcohol Content Calculator & Drink Drive Limit Singapore
The AI BAC Calculator is tailored for users in Singapore to estimate blood alcohol content (BAC) more precisely against the 80mg/100ml limit (about 0.08% BAC). It considers individual traits like weight, gender, age, and exact alcohol intake to offer a smarter assessment of your blood alcohol level and how long it may take to sober up.
Why is our AI tool more accurate than basic BAC calculators?
- Personalisation: Unlike traditional tools that rely on outdated formulas, AI adjusts to your body and habits for a realistic alcohol limit for driving estimate.
- Data-driven learning: Our AI leverages large datasets of real BAC measurements and physiological studies to refine accuracy over time.
- Considers complex factors: Food intake, drinking speed, physical activity, and even time of day can influence BAC – our AI takes those into account.
- Practical recommendations: Beyond numbers, you'll get insight into when you will be back under the limit in Singapore, your morning-after risk, and how much buffer time to add for individual variation.
This tool helps promote responsible behaviour and complements Singapore's drink-drive guidance for safer decisions and legal compliance. Remember that the Traffic Police run frequent breath tests, refusing a test is itself an offence, and a separate "driving under the influence" charge can apply even at a low reading if you are unfit to drive. If you plan to drive, the safe count is zero.
Singapore Drink Drive Limit & Alcohol Calculator Data
Seven factors that determine your result
Weight
Sex
Age
Amount
Strength
Food
Time
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 Singapore drink?
Alcohol consumption per adult, per year
2.0L
litres of pure alcohol per adult (15+), per year
Per adult, that is roughly:
80
beers
≈ 2/week
111
glasses of wine
≈ 2/week
125
shots
≈ 2/week
0.1 L
Ø 4.2
11.2 L
52% below the regional average
Ranks #15 of 25 in Western Pacific
Ranks #137 of 188 in the World
Average in Western Pacific: 4.2 L
How neighbours compare
Australia
11.2L
#1 Western Pacific
Thailand
7.6L
#1 South-East Asia
Japan
6.3L
#7 Western Pacific
India
4.5L
#3 South-East Asia
Singapore
2.0L
#15 Western Pacific
Malaysia
0.8L
#20 Western Pacific
How safe are the roads in Singapore?
Road traffic deaths per 100,000 people, per year
1.9 /100k
road traffic deaths per 100,000 people, 2021
~29%
of road deaths linked to alcohol
WHO estimate, 2019 · 17–44%
2
road deaths per week
WHO estimate, 2021
1
alcohol-linked deaths per week
WHO-derived estimate
0.0
Ø 10.8
22.2
82% fewer road deaths than the regional average
#2 safest of 28 in Western Pacific
#5 safest of 195 worldwide
Average in Western Pacific: 10.8 per 100k
How neighbours compare
Singapore
1.9
#2 Western Pacific
Japan
2.7
#3 Western Pacific
Australia
4.5
#5 Western Pacific
Malaysia
13.9
#19 Western Pacific
India
14.6
#5 South-East Asia
Thailand
25.4
#8 South-East Asia
Latest available year shown per country.
LIMITS NEARBY
BAC limits in neighbouring countries
Explore the legal blood alcohol concentration (BAC) limits for drivers in neighbouring countries.
Drink Driving Limit in Singapore
Drink-drive limit in Singapore (Road Traffic Act)
Blood limit (all drivers)
80mg/100ml
Relaxed
Breath limit (all drivers)
35µg/100ml
Relaxed
Singapore's prescribed limit is 80 mg of alcohol per 100 ml of blood (about 0.08% BAC), or 35 µg per 100 ml of breath, under the Road Traffic Act. This is one of the higher limits in the region — many drivers are impaired well before they reach it. A separate "driving under the influence" offence can apply at any level if you are unfit to drive, so the only safe amount before driving is none.
Drink Driving Penalties & Alcohol Limit Singapore
Consequences of exceeding Singapore's 80mg/100ml drink-drive limit
80 mg/100ml and over (0.08% BAC)
Drink driving (s67 RTA)
- Offence under section 67(1)(b) of the Road Traffic Act 1961
- First conviction: fine of S$2,000–S$10,000 or up to 12 months' jail, or both
- Disqualification of at least 2 years — the court must order it unless it finds special reasons to shorten or withhold it (s.67(2))
- Refusing the roadside breath test is a separate offence: S$1,000–S$5,000 or up to 6 months (s.69(4))
Repeat offence / accident / very high reading
Aggravated / repeat offence
- Second conviction: fine of S$5,000–S$20,000 and up to 2 years' jail — imprisonment is no longer an alternative to the fine
- Disqualification of at least 5 years for a repeat offender; on a third conviction the court must disqualify for life (s.67(2A))
- Refusing the breath test again: S$3,000–S$10,000 and up to 12 months (s.69(4))
- Vehicle forfeiture applies to reckless, dangerous or careless driving as a serious offender (s.65AA), not to section 67 itself; causing hurt or death carries the most severe penalties
Tips for Responsible Drinking & Morning After Calculator
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, take a taxi or stay overnight.