Calories in Oats
1 cup of oats (81 g) has 307 calories, with 11 g of protein, 5.3 g of fat and 55 g of carbohydrates. Per 100 grams, oats has 379 calories.
Most of the calories in oats come from carbohydrates (71%). Oats is a good source of protein, with 13 g per 100 g, high in fiber (10 g per 100 g) and a good source of iron. It has more calories per gram than 86% of the 203 grains, rice and pasta in our database.
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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 1 cup of oats?
1 cup of oats (81 g) has 307 calories.
How many calories are in 100 grams of oats?
100 grams of oats has 379 calories, 13 g of protein, 6.5 g of fat and 68 g of carbohydrates.
How much protein is in oats?
Oats has 13 g of protein per 100 g. 1 cup of oats gives you 11 g.
Is oats high in calories?
Oats has 379 calories per 100 g. It has more calories per gram than 86% of the 203 grains, rice and pasta in our database. A 2,000 calorie day fits about 528 g of it.
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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.