Alcoholic beverage, pina colada, prepared-from-recipe: fl oz to Grams
Quick answer
One fl oz of alcoholic beverage, pina colada, prepared-from-recipe weighs 31.4 grams.
1 fl oz31.4 g
Reference serving (nutrition facts)100 g
Source: USDA FoodData Central - SR Legacy (2018-04) (USDA household portion weight)