How Many Calories in Oats?
A oats contains 389 calories per 100g. A typical half a cup, dry (40g) provides about 156 calories. Oats is high in calories and is a good source of protein.
Sharing with pets? Check whether oats is safe for your dog or safe for your cat before offering any.
Oats Nutrition Facts
| Nutrient | Per 100g | Per serving (40g) |
|---|---|---|
| Calories | 389 kcal | 156 kcal |
| Protein | 16.9g | 6.8g |
| Carbohydrates | 66.3g | 26.5g |
| of which Sugars | 0.0g | 0.0g |
| Fat | 6.9g | 2.8g |
| of which Saturates | 1.2g | 0.5g |
| Fibre | 10.6g | 4.2g |
| Sodium | 2.0mg | 1mg |
| Potassium | 429.0mg | 172mg |
| Calcium | 54.0mg | 22mg |
| Iron | 4.7mg | 1.9mg |
| Vitamin C | 0.0mg | 0.0mg |
| Vitamin A | 0.0µg | 0µg |
Frequently Asked Questions
How many calories in oats per 100g?
Oats contains 389 calories per 100g, based on USDA reference data.
Is oats high in calories?
A half a cup, dry of oats (40g) has around 156 calories — roughly 8% of a 2,000-calorie daily intake.
Is oats good for weight loss?
Oats is fairly calorie-dense at 389 calories per 100g, so portion size matters when losing weight. A half a cup, dry provides about 156 calories.
How much protein is in oats?
Oats contains 16.9g of protein per 100g.
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Nutrition data sourced from the USDA FoodData Central database (public domain, CC0 1.0). Values are per 100g unless stated. Figures may vary slightly depending on preparation method and ripeness.