McDONALD'S, BIG MAC: item 7.6 oz to Grams
Quick answer
One item 7.6 oz of mcdonald's, big mac weighs 219 grams.
1 item 7.6 oz219 g
Reference serving (nutrition facts)100 g
Source: USDA FoodData Central - SR Legacy (2018-04) (USDA household portion weight)