Calories in Oatmeal (cooked with water)

166kcal per 1 cup, cooked (234 g)

71 kcal per 100 g · about 8% of a 2,000-kcal day

A bowl of water-cooked oatmeal is about 166 calories. The beta-glucan fiber in oats is one of the best-studied appetite suppressants.

Oatmeal (cooked with water) nutrition facts

NutrientPer 100 gPer 1 cup, cooked
Calories71 kcal166 kcal
Protein2.5 g5.9 g
Carbs12 g28.1 g
Fat1.5 g3.5 g
Fiber1.7 g4 g
Sugar0.3 g0.7 g

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More grains & breads

Values based on USDA FoodData Central reference entries. Actual nutrition varies with variety, preparation, and portion. © 2026 NibbleCal.