Use the
approximate guidelines below to help you calculate your units.
Standard glass of wine: 2 units
Large glass of wine: 3 units
Bottle of wine: 9 units
Pint of regular lager/cider: 2 units
Pint of strong lager/cider: 3 units
Can of regular lager/cider: 2 units
Single shot of spirit: 1 unit
Alternatively
click here to use the drinkaware unit calculator.