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Rolled oats calories and macros.

Rolled oats has about 150 calories per 1/2 cup dry, with 5g protein, 27g carbs, and 3g fat. Raw-food references are still affected by variety, cooking method, edible portion, and exact weight, so weigh the food when precision matters.

public nutrition reference Source notes

Rolled oats

1/2 cup dry · 40g

150calories
Protein
5g
Carbs
27g
Fat
3g
4g fiber 0mg sodium 375 cal / 100g
Rolled oats
Rolled oats · 1/2 cup dry 150 cal
Nutrition answer

Rolled oats has about 150 calories per 1/2 cup dry, with 5g protein, 27g carbs, and 3g fat.

public nutrition reference Public reference
Serving1/2 cup dry
Calories150
Protein5g
Carbs27g
Fat3g
Calories per 100g375
Source typepublic nutrition reference

How to read this number

Raw-food references are still affected by variety, cooking method, edible portion, and exact weight, so weigh the food when precision matters.

Raw and minimally processed food references are anchored to USDA FoodData Central where possible. Prepared foods use transparent recipe models until an exact brand, restaurant, or lab-tested entry is available.

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CaloriePlate. "Rolled oats Calories and Macros | CaloriePlate". https://www.calorieplate.com/foods/rolled-oats/. Reviewed Jul 2026. Source and citation notes