Alcoholic beverage, whiskey sour, prepared from item 14028: fl oz to Grams
Quick answer
One fl oz of alcoholic beverage, whiskey sour, prepared from item 14028 weighs 30.4 grams.
1 fl oz30.4 g
Reference serving (nutrition facts)100 g
Source: USDA FoodData Central - SR Legacy (2018-04) (USDA household portion weight)