Standard-drink calculator
Guinness Draught: standard drinks & calories
1.1
standard drinks
132
calories (est.)
4.2%
ABV
A 16 oz pint of Guinness Draught at 4.2% ABV contains about 0.67 fl oz of pure alcohol. Since one US standard drink is 0.6 fl oz of alcohol, that works out to about 1.1 standard drinks.
The math
standard drinks = volume × ABV% ÷ 0.6
16 oz × 4.2% ÷ 0.6 = 1.1
Frequently asked questions
How many standard drinks are in a Guinness Draught?
A 16 oz pint of Guinness Draught at 4.2% ABV is about 1.1 US standard drinks. That's 0.67 fl oz of pure alcohol divided by 0.6 fl oz per standard drink.
How many calories are in a Guinness Draught?
Roughly 132 calories for a 16 oz pint, estimated from its alcohol content plus typical carbohydrates for the style. This is a directional estimate, not a label-exact figure.