Table 1

 Alcoholic unit definitions by drink or activity

Type of drinkMeasureAlcohol units
WineOne bottle9
Spirits neatRegular measure1.25
Spirits mixedRegular measure1.8
Spirits neatLarge, double, or “stiff” measure2.5
Spirits mixedLarge, double, or “stiff” measure3.6
SpiritsOne finger1
Vodka martiniRegular3
Tumbler (spirit)Full12
SakeOne flask (180 ml)3.6
A chain . . . 5 drinks
“Serious drinking” or “got drunk”20
“Lots of”3 drinks
“Bring in the drink tray”2 drinks
Visit to a bar, drinking10