Alcohol Unit Calculator

Enter the drink size and ABV to estimate how many UK alcohol units are in your drink.

Amount of drink

Volume in millilitres, e.g. 568ml for a pint.

ABV

Alcohol by volume as a percentage, e.g. 4.5.

2.6

UK alcohol units

568ml × 4.5% ÷ 1000 = 2.6 units

This is an estimate. UK units are calculated as: volume in ml × ABV % ÷ 1000.