Standard-drink calculator

How many standard drinks are in a fifth of whiskey?

16.9
standard drinks
17
shots
40%
ABV

A fifth of whiskey holds 750 ml (25.4 oz) at about 40% ABV. Run that through the standard-drink formula and it comes to roughly 16.9 US standard drinks — or about 17 shots at a typical 1.5 oz pour.

The math

standard drinks = volume × ABV% ÷ 0.6

25.36 oz × 40% ÷ 0.6 = 16.9

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 fifth of whiskey?

A fifth of whiskey at 750 ml (25.4 oz) and 40% ABV is about 16.9 US standard drinks. That's its 25.36 oz of liquid × 40% alcohol ÷ 0.6 oz of pure alcohol per standard drink.

How many shots is that?

Poured at a typical 1.5 oz shot, a fifth of whiskey works out to roughly 17 shots.