McDONALD'S, Hot Fudge Sundae: item (6.3 oz) to Grams
Quick answer
One item (6.3 oz) of mcdonald's, hot fudge sundae weighs 179 grams.
1 item (6.3 oz)179 g
Reference serving (nutrition facts)100 g
Source: USDA FoodData Central - SR Legacy (2018-04) (USDA household portion weight)