Alcohol by Volume (abv) Units per litre (1000ml) Units per Bottle (750ml) 125ml glass 175ml glass 250ml glass
10 10 7.50 1.25 1.75 2.50
11 11 8.25  1.38*  1.93* 2.75
12 12 9.00 1.50 2.10 3.00
13 13 9.75  1.63* 2.28 3.25
14 14 10.50 1.75 2.45 3.50
15 15 11.25  1.88*  2.63* 3.75

 

*NB These figures have been rounded up to 2 decimal places eg. 1.87(5) becomes 1.88

Quick pub check – for units per glass for the LARGE 250ml glass, divide the % alcohol by 4 e.g. 12% alcohol gives 12 ÷ 4 = 3 units per 250ml glass.

The UK Government advises that men should not regularly drink more than three to four units a day and women not more than two to three units.

Table © Trevor Elliott, Association of Wine Educators.

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