How long after drinking can I drive? UK and Ireland
How long to wait before driving after 1 to 15 units, under English, Scottish and Irish limits. Hour-by-hour table and the one-unit-per-hour rule.
7 min read
The ConsomAction blog
Blood alcohol, drink driving, units, health, cutting down: clear answers based on official sources, with the maths done for you.
How long to wait before driving after 1 to 15 units, under English, Scottish and Irish limits. Hour-by-hour table and the one-unit-per-hour rule.
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About one hour per UK unit: 2h40 for a pint of lager, nearly 10 hours for a bottle of wine. Drink-by-drink table, plus urine and hair test windows.
After a big night, you can still be over the drink-drive limit at 8am. Worked examples for England, Scotland and Ireland, and when you can drive again.