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*.
%
ml

* 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.

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.
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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)

Health Calculators

You may also find the following Health Calculators useful.

Use of the Health and Medical Calculators

Please note that the Alcohol Units Calculator is provided for your personal use and designed to provide information and information relating to the calculations only. The Alcohol Units Calculator should not be used for you to self-diagnose conditions, self-medicate or alter any existing medication that you are currently prescribed by your Doctor. If the Alcohol Units Calculator produces a calculation which causes you concern, please consult your Doctor for support, advice and further information.