Calories in 100g of Oats
100g of oats (100 g) has 379 calories. That is 19% of a 2,000 calorie diet.
The calories come from 13 g of protein, 6.5 g of fat and 68 g of carbohydrates, a split of 14% protein, 15% fat and 71% carbs. For comparison, 50g of oats has 190 and 150g of oats has 569 calories. Burning 379 calories takes about 68 minutes of brisk walking or 31 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.
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Oats calories by serving size
Common amounts of oats with calories and macros. Tap a row for its full nutrition page.
Oats vs similar foods
Calories per 100 g compared with other grains, rice and pasta.
Oats: common questions
How many calories are in 100g of oats?
100g of oats weighs about 100 g and has 379 calories.
How much protein is in 100g of oats?
100g of oats has 13 g of protein, which is 26% of the 50 g Daily Value.
How many carbs are in 100g of oats?
100g of oats has 68 g of carbohydrates, including 10 g of fiber and 1 g of sugars.
How much oats is 100 calories?
100 calories of oats is 26 g, about 1/4 cup of oats.
More about oats
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Weights and conversions
Source: USDA FoodData Central, SR Legacy. FDC ID 173904. Original description: Cereals, oats, regular and quick, not fortified, dry. Portion weights are USDA household measures.