Calories in Oats (dry)
152 calories in 1/2 cup dry (40 g) (379 kcal per 100 g)
Oats (dry) has 152 calories per 1/2 cup dry (40 g). Use this quick USDA-sourced reference for calories and macros, then log the real meal in TrueCal when portions change.
Nutrition facts
| Nutrient | Per serving | Per 100 g |
|---|---|---|
| Calories | 152 kcal | 379 kcal |
| Protein | 5.3 g | 13.2 g |
| Carbs | 27.1 g | 67.7 g |
| Fat | 2.6 g | 6.5 g |
| Fiber | 4 g | 10.1 g |
| Sodium | 2 mg | 6 mg |
Macro calorie breakdown
Using the common 4 kcal per gram for protein, 4 kcal per gram for carbs, and 9 kcal per gram for fat convention, the 1/2 cup dry (40 g) serving breaks into these macro-derived calorie shares.
- Protein: 5.3 g, about 21.2 kcal, or 13.9% of macro-derived calories.
- Carbs: 27.1 g, about 108.4 kcal, or 70.8% of macro-derived calories.
- Fat: 2.6 g, about 23.4 kcal, or 15.3% of macro-derived calories.
That equals 3.5 g protein per 100 calories for this serving.
Serving and 100 g context
The labeled serving is 40 g, which is 0.4 times the 100 g reference amount. That serving lists 152 calories, while the 100 g reference lists 379 kcal.
For macros, the same serving shows 5.3 g protein, 27.1 g carbs, and 2.6 g fat. The 100 g reference shows 13.2 g protein, 67.7 g carbs, and 6.5 g fat.
Other measured nutrients
Fiber is 4 g per 1/2 cup dry (40 g) and 10.1 g per 100 g in the USDA data.
Sodium is 2 mg per 1/2 cup dry (40 g) and 6 mg per 100 g in the USDA data.
Tracking calories in Oats (dry)
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Data: USDA FoodData Central — Cereals, oats, regular and quick, not fortified, dry