Standard-drink calculator
How many standard drinks are in a magnum of wine?
10.1
standard drinks
10
glasses
12%
ABV
A magnum of wine holds 1.5 L (50.7 oz) at about 12% ABV. Run that through the standard-drink formula and it comes to roughly 10.1 US standard drinks — or about 10 glasses at a typical 5 oz pour.
The math
standard drinks = volume × ABV% ÷ 0.6
50.72 oz × 12% ÷ 0.6 = 10.1
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 magnum of wine?
A magnum of wine at 1.5 L (50.7 oz) and 12% ABV is about 10.1 US standard drinks. That's its 50.72 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 magnum of wine works out to roughly 10 glasses.