Calories in 8 Oz of Oatmeal
8 oz of oatmeal (227 g) has 145 calories. That is 7% of a 2,000 calorie diet.
The calories come from 5 g of protein, 2.5 g of fat and 26 g of carbohydrates, a split of 14% protein, 15% fat and 71% carbs. For comparison, 6 oz of oatmeal has 109 and 12 oz of oatmeal has 218 calories. Burning 145 calories takes about 26 minutes of brisk walking or 12 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.
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Oatmeal calories by serving size
Common amounts of oatmeal with calories and macros. Tap a row for its full nutrition page.
Oatmeal vs similar foods
Calories per 100 g compared with other grains, rice and pasta.
Oatmeal: common questions
How many calories are in 8 oz of oatmeal?
8 oz of oatmeal weighs about 227 g and has 145 calories.
How much protein is in 8 oz of oatmeal?
8 oz of oatmeal has 5 g of protein, which is 10% of the 50 g Daily Value.
How many carbs are in 8 oz of oatmeal?
8 oz of oatmeal has 26 g of carbohydrates, including 3.9 g of fiber and 0.4 g of sugars.
How much oatmeal is 100 calories?
100 calories of oatmeal is 156 g, about 3/4 cup of oatmeal.
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Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID No added fat: 2708381. Original description: Oatmeal, regular or quick, made with water, no added fat. Portion weights are USDA household measures.