Alcohol Units Calculator

Calculate total alcohol units from your drinks, compare to weekly health guidelines, and see time until sober.

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Total units
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Calories (kcal)
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Hours to sober
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Weekly limit

About Alcohol Units

1 unit = 10 ml (8 g) of pure alcohol. Formula: units = (volume ml ร— ABV%) รท 1000. The NHS recommends no more than 14 units per week, spread over at least 3 days. Your liver processes roughly 1 unit per hour. Sobriety time is approximate and varies with body weight, food intake, and genetics.