Oats Nutrition Facts
Complete oats nutrition breakdown with 389 kcal per 100g, glycemic index, and diet compatibility.
Written by Victura Nutrition TeamReviewed by Victura Editorial ReviewLast updated Jul 14, 2026
389
Calories
16.9g
Protein
66.3g
Carbs
Use caution
Is it healthy?
per 100g · per panel values
Track this food in VicturaQuick answer
A half cup dry of oats contains around 156 calories, while 100g contains about 389 calories. Per 100g you get about 66.27g carbs and 16.89g protein. Glycemic index is around 55.
Oats is a whole food with approximately 389 calories per 100g, tracked in Victura for macro-aware meal logging.
- Calories (half cup dry)
- 156 kcal
- Calories (100g)
- 389 kcal
- Carbs (100g)
- 66.27g
- Protein (100g)
- 16.89g
- Serving reference
- 40g · half cup dry
- Glycemic index
- 55
Serving calculator
How much did you eat or drink — Oats?
389
Calories
16.9g
Protein
66.3g
Carbs
6.9g
Fat
Nutrition facts
per 100g · Source: USDA FoodData Central (seeded Phase 0)
389 kcal
Calories
Minerals
- Magnesium: 177mg
Scientific explanation
Research-backedOats provides approximately 389 kcal per 100g with 16.9g protein, 66.3g carbohydrates, and 6.9g fat. Dietary fiber is 10.6g per 100g. The glycemic index is estimated at 55 (medium), meaning glucose rises at a moderate rate after consumption. Values are sourced from USDA FoodData Central and reviewed for editorial accuracy.
Community insights
Community insightAmong Victura meal logs, oats appears frequently as a portable snack and smoothie ingredient. Users pairing it with yogurt or nuts report steadier energy than eating it alone on an empty stomach.
Pros
- Oats is a whole food with measurable macro nutrients
Cons
- Portion size still matters for calorie goals
Best time to eat
Pair with protein and fiber for balanced meals.
Good windows
- With main meals
Consider avoiding
- Very large portions without activity
Diet compatibility
Weight loss
Use caution
At 389 kcal and 10.6g fiber per 100g, this food is energy-dense - watch portions.
Keto
Use caution
Net carbs ~55.7g per 100g - too high-carb for standard keto.
Diabetic friendly
Friendly
GI 55 with 1.0g sugar - generally blood-sugar friendly in moderation.
Frequently asked questions
People also ask
Is oats healthy?
Yes — oats is a whole food with measurable nutrients. Healthiness depends on overall diet, portions, and your goals. Estimated GI is 55.
Can I eat oats every day?
Most people can include oats daily as part of a balanced diet, as long as total calories and carbs fit their plan.
Are oats good for weight loss?
At 389 kcal and 10.6g fiber per 100g, this food is energy-dense - watch portions.
How many calories are in oats?
A typical medium serving of oats has about 389 calories, while 100g contains about 389 calories (USDA reference).
Are oats good before a workout?
Oats can work before activity when you want easy carbs; pair oats with protein if your session is long.
Are oats high in sugar?
Oats contain about 1.0g sugar per 100g — mostly natural sugars when whole.
Is oats good for weight loss?
At 389 kcal and 10.6g fiber per 100g, this food is energy-dense - watch portions.
Is oats keto-friendly?
Net carbs ~55.7g per 100g - too high-carb for standard keto.
What is the glycemic index of oats?
Estimated GI is 55. Pair with protein or fat to blunt glucose response.
Is oats safe for people with diabetes?
GI 55 with 1.0g sugar - generally blood-sugar friendly in moderation.
How many calories does oats have?
Dry oats contain 389 calories (kcal) per 100g according to USDA reference data. A standard 1/2 cup dry serving (approximately 40g) contains about 156 calories.
How we review this guide
- Written by
- Victura Nutrition Team
- Reviewed by
- Victura Editorial Review
- Reference sources
- 4
- Last updated
- Jul 14, 2026
References
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