PortionCalc

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.

Oatmeal Calorie Calculator

145cal
in 8 oz of oatmeal (227 g)
Protein5 g14% of calories
Fat2.5 g15% of calories
Carbs26 g71% of calories
7% of a 2,000 calorie day

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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.

    ServingWeightCaloriesProteinFatCarbs
    50g50 g321.1 g0.5 g5.7 g
    100g100 g642.2 g1.1 g11 g
    4 oz113 g732.5 g1.2 g13 g
    1/2 cup120 g772.7 g1.3 g14 g
    200g200 g1284.4 g2.2 g23 g
    8 oz227 g1455 g2.5 g26 g
    1 cup240 g1545.3 g2.6 g27 g

    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.

    More about oatmeal

    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.