Standard-drink calculator
How many standard drinks are in a box of wine?
20.3
standard drinks
20
glasses
12%
ABV
A box of wine holds 3 L (101.4 oz) at about 12% ABV. Run that through the standard-drink formula and it comes to roughly 20.3 US standard drinks — or about 20 glasses at a typical 5 oz pour.
The math
standard drinks = volume × ABV% ÷ 0.6
101.44 oz × 12% ÷ 0.6 = 20.3
One US standard drink is 0.6 fl oz of pure alcohol (about 14 grams). Want the breakdown for a single serving instead? See the standard-drink calculator or what counts as a standard drink.
Frequently asked questions
How many standard drinks are in a box of wine?
A box of wine at 3 L (101.4 oz) and 12% ABV is about 20.3 US standard drinks. That's its 101.44 oz of liquid × 12% alcohol ÷ 0.6 oz of pure alcohol per standard drink.
How many glasses is that?
Poured at a typical 5 oz glass, a box of wine works out to roughly 20 glasses.