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Alcohol Units Calculator

The Alcohol Unit Calculator allows you to calculate the number of units in any alcoholic drink in any size drinking vessel. Simply enter the alcohol percentage of the drink and the vessel volume in millilitres (ml).

A selection of common measures is shown for ease of use. Simply select the alcohol category and select the desired alcohol measure.

Alcohol Units Calculator

This alcholic drink contains 2.6 units and 20.4 calories from alcohol*.

* Remainder of the drink will likely contain additional calories, these calories are related to the alcohol only.

Women should not regularly drink more that 2-3 units of alcohol per day, consume no more than 14 units per week and should have a minimum of 2 alcohol free days per week.

Men should not regularly drink more that 3-4 units of alcohol per day, consume no more than 21 units per week and should have a minimum of 2 alcohol free days per week.

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Standard Alcohol Servings

Choose an alcohol category and then click on the icon to add the serving size to the calculator or you can type in a bespoke drinking vessel size.

How to calculate the number of units in alcohol

Strength (ABV) x volume (ml) รท 1,000 = units.

  • ABV is the measure pure alcohol as a percentage of the total volume of liquid in a drink. ABV may also be referred to as "vol" or "alcohol volume" depending on labelling and location.
  • The volume of the vessel is measure in millilitres (ml)

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