How many units in a pint of Guinness?

One pint of Guinness stout contains 2.3 units of alcohol. The ABV of draught Guinness is 4.1%. Each 100ml of draught Guinness contains 0.41 units of alcohol.

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Guinness and UK alcohol unit guidance

The UK Chief Medical Officers advise that it is not safe to drink more than 14 units a week on a regular basis (source).

6.0 pints of draught Guinness contains 14 units of alcohol.

6
PINTS
One pintOne pintOne pintOne pintOne pintOne pint
14
UNITS
APPROX

Guinness data from Open Units

ProductGuinness
CategoryBeer
StyleStout
BrandGuinness
Quantity1
Quantity Unitspint
Volume568ml
Packagedraught
ABV4.1%
Units of Alcohol2.3
Units (4 Decimal Places)2.3288
Units per 100ml0.41

Units in other stouts