All calculations are done for an adult male, weighing approximately 68 kg's, who has eaten a meal.
N.B. This is a rough estimation only, as each person metabolizes alcohol at different rates and times. Women are affected more, quicker, and on smaller amounts of alcohol than men, so need to drink less, and slower than men.
For example, a woman who weighs 45kg's and drinks 1 glass of wine, her Blood Alcohol Content could = 0,045g! If she had not had anything to eat she could be over the legal limit. 1 Unit = 0.02g in 100 ml blood, or 0.10mg per 1000ml in the breath. It takes the body approximately 1 hour or more, to get rid of one unit. (To be precise - 0.015g)
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How much alcohol is in what I drink?
Spirit cooler i.e. Hooch / Brutal Fruit = 1.2 -> 1.9 U =0.02g ->0.035g
Cocktail = +/- 2 -> 2.5 (or occasionally even more) Units =0.04g->0.05g
Quart of Beer = 3.3 -> 4 Units =0.08g blood = 0.4mg breath
Double spirit = 2 Unit = 0.04g
Shooters - e.g. Apple sours = 1/2(half) Unit =0.01g
90 mls of 12% white wine (most white wines) = 1 Unit = 0.02g
75 mls of 14% red wine = 1 Unit = 0.02g
N.B. Many restaurant glasses are 250 mls, and so red wine comes to 3.3 Units! On 1 glass of red wine everyone is over the Legal Limit! (0.06g)
Please note: cans of beer come in different sizes (330ml, 340ml, 440ml, 750ml and now a 500ml. Therefore units of alcohol vary greatly depending on the can/bottle size.
SADD requests that alcohol beverage companies print the units of alcohol for each alcoholic drink on the can or bottle to inform consumers.
Lite vs Light
Lite refers to the calorie content of the drink whereas Light refers to the alcoholic content. Therefore, by drinking a beer labelled 'Lite', you can easily be over the legal limit.
Your driving skills are impaired after even 1 unit, so it is safer not to drink any alcohol at all if you drive.
Drink slowly and 1 Unit per hour maximum.
Eat before you drink.
COUNT YOUR DRINKS! Work out how much you have drunk, and when you will be safe to drive again.
DRIVING RULE = 0 UNITS.
The only safe driving is zero alcohol - as even 1 Unit affects drving skills.
It does not matter if you are "drunk" or "sober"- any alcohol affects driving skills.
Legal Limits: Blood alcohol concentration = < 0.05g per 100ml.
Breath alcohol concentration = < 0.24mg per 1000ml
For Professional drivers these limits are different, and lower
Blood alcohol concentration = <0.02g per 100m
Breath alcohol concentration = <0.10mg per 1000ml.
Cocktail = +/- 2 -> 2.5 (or occasionally even more) Units =0.04g->0.05g.
Image: Sixt Car Rental
How much is too much?
Important tipes to keep safe and stay alive