Dunkin Donuts Iced Mocha Latte with Skim Mlik Large 360 Calories. Per serving. Dunkin Donuts Iced Mocha Latte with Skim Mlik Large 360 Calories. Per serving. FREE: You canât exercise your way out of a bad diet. FoodFacts shows you how to. change the way you eat, by showing you what's in the food you're eating.