calculate your alcohol limit - so don't try.
There is no failsafe guide as to how much you can
drink and stay under the limit. The amount and type
of alcoholic drink and your weight, sex, age and
metabolism will all play their part.
A driver will be found guilty of drink-driving if
he or she has more than:
- 35 microgrammes of alcohol in 100
millilitres of breath.
- 80 milligrammes of alcohol in 100
millilitres of blood.
- 107 milligrammes of alcohol in 100
millilitres of urine.
The quantity of alcohol in a half-pint of beer is
approximately the same as in a pub measure of
port/sherry or a small glass of wine. But:
- many beers and wines are stronger
- drinks poured at home are usually
more generous than pub measures.
- cocktails and alcopops are very
alcoholic content is often masked by the taste of
Any amount of alcohol will affect your judgement,
starting with your judgement about whether you
should have another drink.
At twice the current legal limit you are at least
50 times more likely to be involved in a fatal
Try one of the many alcohol-free cocktails
available. Recipes can be found online at