Guide
Legal Blood Alcohol Limits by Country
Legal blood alcohol limits vary substantially between countries, and even within a single country they differ by driver category. For anyone renting a car abroad or driving commercially in Turkey, not knowing that difference translates directly into legal trouble. This article covers what the limits mean, who falls under which one, and how to act in practice.
The limits in Turkey
Turkish traffic law defines three separate thresholds by driver category. The distinction matters enormously, because the same BAC can be legal for one driver and an outright violation for another.
For commercial drivers, a 0.20‰ limit means "do not drink at all" in practice — a single beer puts most people over it. For novice drivers there is no tolerance whatsoever.
- Private (passenger) vehicle drivers: 0.50‰
- Commercial, public transport and professional drivers: 0.20‰
- Novice drivers on a probationary licence: 0.00‰ — zero tolerance
Penalties for exceeding the limit
In Turkey, drink-driving results in an administrative fine and confiscation of the driving licence; both escalate with repeat offences. A first offence suspends the licence for a set period, while second and third offences extend that period progressively and can require mandatory traffic safety training.
Refusing a breath test is a separate offence and generally carries heavier consequences than taking the test. On top of that, having an accident while over the limit creates serious insurance problems; depending on policy terms, a claim may be refused entirely.
We deliberately avoid quoting fine amounts here, since they are revalued annually. For current figures, consult the traffic penalty schedule published by the Turkish General Directorate of Security.
Limits around the world
The list below is a slice of the dataset Promil Tracker uses. If you share your location, the app automatically shows the limits for the country you are in.
All of these are general rules. Almost every country has stricter exceptions for new drivers, motorcyclists or specific vehicle classes — so check local regulations, particularly if you are driving abroad.
- Turkey: private 0.50‰ · commercial 0.20‰ · novice 0.00‰
- Germany: private 0.50‰ · commercial and new drivers 0.00‰
- France: private 0.50‰ · commercial 0.20‰
- Spain: private 0.50‰ · commercial 0.30‰
- Italy: private 0.50‰ · commercial 0.00‰
- United Kingdom: 0.80‰ (Scotland applies a separate 0.50‰ limit)
- United States: 0.80‰ statewide · commercial drivers 0.40‰
- Sweden: 0.20‰ — among the strictest in Europe
- Poland: 0.20‰
- Japan: 0.30‰ — penalties also apply to anyone who supplies a vehicle or alcohol to an impaired driver
- Australia: private 0.50‰ · commercial and learner drivers 0.00‰
How much alcohol is 0.50‰?
There is no single answer that holds for everyone — the amount needed to reach the limit depends on weight, sex and stomach contents. Still, to give an order of magnitude:
For a 70-80 kg man, 0.50‰ is roughly two large beers or three glasses of wine. For a 55-60 kg woman, a single large beer can be enough to reach the same level. Drinking on an empty stomach lowers both figures further.
If you want an estimate for your own situation, use the BAC calculator — but treat it as a way to see how much risk you are carrying, not as an answer to "how much can I drink".
Being under the limit does not mean you are safe
The legal limit is not the point at which driving ability starts to degrade — it is the point at which punishment starts. Those are very different things.
Research shows measurable slowing of reaction time, increased distractibility and impaired distance perception at levels as low as 0.20‰. By around 0.50‰, crash risk is already clearly elevated compared to being sober.
So "I am under the limit" is a legal statement, not a safety guarantee. If you have been drinking, the safest option is always not to drive.
Frequently Asked Questions
No. Calculators produce a statistical estimate with no legal standing whatsoever. Only a measurement taken by authorities with an approved breathalyser, or a blood test, counts for official purposes.
The limit of the country you are driving in. A BAC of 0.45‰ that is legal in Turkey is an outright violation in Sweden or Poland. If you are driving abroad, check the rules of your destination.
Commercial drivers spend far longer behind the wheel and operate heavier vehicles with longer stopping distances, often carrying passengers. Because the potential impact of a crash is much larger, regulators apply near-zero tolerance to this group.
Beers sold as alcohol-free can still contain up to 0.5% alcohol. At normal consumption that does not produce a measurable BAC, but alcohol lingering in the mouth immediately after drinking can briefly inflate a breath reading — which is why a waiting period is required before testing.