Oats Nutrition Facts

Oats, per 1/2 cup dry (40 g), contains 150 calories, 5 g of protein, 27 g of carbohydrates, and 3 g of fat.

Oats Nutrition Facts

Per 1/2 cup dry (40 g)

Calories150
Protein5 g10%
Total carbohydrate27 g10%
Sugars1 g
Dietary fiber4 g14%
Total fat3 g4%
Sodium0 mg0%
Potassium150 mg3%

That is roughly 375 calories per 100 g. The %DV column shows how much one serving contributes to the daily reference intake for a 2,000-calorie diet.

Good source of fiber

About oats

Oats is a whole grain high in soluble fiber, which supports heart health. A 1/2 cup dry (40 g) serving supplies 150 calories and 5 g of protein. The figures below are per common serving; totals shift with portion size, cooking method, cut, and brand, so treat them as a reliable reference rather than an exact label for a specific product.

Common questions

How many calories are in dry oats?

Oats has about 150 calories per 1/2 cup dry (40 g) — roughly 375 calories per 100 g.

How much protein is in dry oats?

Oats provides about 5 g of protein per 1/2 cup dry (40 g), which is 10% of the daily reference value.

How many carbs are in dry oats?

A 1/2 cup dry (40 g) serving has about 27 g of total carbohydrate, including 4 g of fiber and 1 g of sugars.

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These figures come from a fixed reference table. The TastyAPI Nutrition API returns the same breakdown for any food — from a photo or a plain-text description — in about a second.

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Reference values are per common serving, based on USDA FoodData Central. %DV uses FDA Daily Values for a 2,000-calorie diet. Actual values vary with preparation, cut, and brand.