Calories in 12 Oz of Oatmeal

12 oz of oatmeal (340 g) has 218 calories. That is 11% of a 2,000 calorie diet.

The calories come from 7.5 g of protein, 3.7 g of fat and 39 g of carbohydrates, a split of 14% protein, 15% fat and 71% carbs. For comparison, 8 oz of oatmeal has 145 calories. Burning 218 calories takes about 39 minutes of brisk walking or 18 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.

Oatmeal Calorie Calculator

AmountUnit

218cal

in 12 oz of oatmeal (340 g)

Protein7.5 g14% of calories

Fat3.7 g15% of calories

Carbs39 g71% of calories

11% 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.

Serving	Weight	Calories	Protein	Fat	Carbs
50g	50 g	32	1.1 g	0.5 g	5.7 g
100g	100 g	64	2.2 g	1.1 g	11 g
4 oz	113 g	73	2.5 g	1.2 g	13 g
1/2 cup	120 g	77	2.7 g	1.3 g	14 g
200g	200 g	128	4.4 g	2.2 g	23 g
1 cup	240 g	154	5.3 g	2.6 g	27 g
12 oz	340 g	218	7.5 g	3.7 g	39 g

Oatmeal vs similar foods

Calories per 100 g compared with other grains, rice and pasta.

Oatmeal Made with Milk116

Maple Flavored Instant Oatmeal102

Fruit Flavored Instant Oatmeal100

Reduced Sugar Oatmeal85

Instant Oatmeal68

Oatmeal64

Multigrain Oatmeal56

Oatmeal: common questions

How many calories are in 12 oz of oatmeal?

12 oz of oatmeal weighs about 340 g and has 218 calories.

How much protein is in 12 oz of oatmeal?

12 oz of oatmeal has 7.5 g of protein, which is 15% of the 50 g Daily Value.

How many carbs are in 12 oz of oatmeal?

12 oz of oatmeal has 39 g of carbohydrates, including 5.8 g of fiber and 0.6 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.