Carbs In 1 Cup Mashed Potatoes. There are 210 calories in 1 cup of mashed potato. Amount of fiber in mashed potatoes & gravy:
There are 210 calories in 1 cup of mashed potato. The total carbs count is 9,6g, 33g of these sugars per gram. For each tablespoon of mashed potato with milk and butter (1 cup), 35 grams of fat are contained.