Alcohol Units & Standard Drinks
Calculate alcohol units, US standard drinks, grams of alcohol and calories in a drink, free online.
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UK units = volume (ml) × ABV% ÷ 1000 (one unit = 10 ml pure alcohol). A US standard drink contains 14 g of pure alcohol. Alcohol density is 0.789 g/ml and provides about 7 kcal per gram. This is general information, not medical advice.