Oatmeal Nutrition Facts: Calories, Macros & Health Benefits
Summary: One half cup (40g) of oatmeal contains 141 calories, 4.5g protein, 29.0g carbs, and 1.8g fat. Oatmeal is a good source of magnesium, phosphorus.

Nutrition Facts — half cup (40g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 141 kcal | 7% |
| Protein | 4.5g | 9% |
| Carbohydrates | 29.0g | 11% |
| Total Fat | 1.8g | 2% |
| Fiber | 3.4g | 12% |
| Sugar | 8.2g | -- |
| Saturated Fat | 0.40g | 2% |
| Cholesterol | 0.40mg | 0% |
| Sodium | 141.6mg | 6% |
| Potassium | 178.0mg | 4% |
| Calcium | 49.6mg | 4% |
| Iron | 1.2mg | 7% |
| Magnesium | 45.2mg | 11% |
| Zinc | 1.0mg | 9% |
| Vitamin C | 3.8mg | 4% |
| Vitamin B6 | 0.06mg | 4% |
| Vitamin B12 | 0.08mcg | 3% |
| Folate | 15.6mcg | 4% |
| Phosphorus | 143.2mg | 11% |
Is Oatmeal Good for You?
Oatmeal provides 141 calories per half cup (40g) with 4.5g of protein, 29.0g of carbohydrates, and 1.8g of fat. It is a source of magnesium (11% dv), phosphorus (11% dv).
Key Health Benefits of Oatmeal
- Good source of magnesium (11% dv)
- Good source of phosphorus (11% dv)
- Contains 3.4g of dietary fiber per serving
Frequently Asked Questions
How many calories is in oatmeal?
One half cup (40g) of oatmeal contains 141 calories.
How much protein is in oatmeal?
One half cup (40g) of oatmeal provides 4.5g of protein.
Is oatmeal vegetarian?
Yes, oatmeal is suitable for vegetarian diets.
Is oatmeal vegan?
Yes, oatmeal is completely plant-based and vegan-friendly.
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Nutrition data sourced from USDA FoodData Central. Track oatmeal and thousands of other foods with the Gram app.