FoodDataHub
Rolled oat flakes

GRAIN · per 100g edible portion

Oats

Nutrition facts for oats (raw) — measured values from USDA FoodData Central, standardized to a 100g basis.

Ranks in 8 of 8 tracked rankings

Energy

379kcal

per 100g

Per 1 cup (80 g): 303 kcal · 10.6 g protein · 54.2 g carbs · 5.2 g fat

Protein

13.2g

Carbs

67.7g

Fiber

10.1g

Fat

6.5g

Macronutrient mix

Share of calories from each macro (Atwater 4/4/9 kcal per g)

Protein14%13.2g
Carbs71%67.7g
Fat15%6.5g

In context

Why oats stands out

Where oats sits among the 61 foods in the database, per nutrient — computed from measured values only.

High in

  • Carbohydrates#2 · 67.7 g

Source of

  • Fiber#7 · 10.1 g
  • Phosphorus#8 · 410 mg
  • Zinc#8 · 3.6 mg
  • Vitamin B1#8 · 0.5 mg

Low in

Nothing in the top tier for this food.

Serving sizes

Household measures

MeasureGramsCaloriesProteinCarbsFat
1 cup80 g303 kcal10.6 g54.2 g5.2 g

Measures from USDA food portion data; per-serving values are derived from the measured per-100g values.

Full profile

Nutrition facts per 100g

NutrientAmount
Calories379 kcal
Protein13.2 g
Carbohydrates67.7 g
Fiber10.1 g
Sugar0.99 g
Fat6.52 g
Saturated Fat1.11 g
Calcium52 mg
Iron4.25 mg
Magnesium138 mg
Phosphorus410 mg
Potassium362 mg
Sodium6 mg
Zinc3.64 mg
Vitamin A0 µg
Vitamin C0 mg
Vitamin D0 µg
Vitamin E0.42 mg
Vitamin K2 µg
Vitamin B10.46 mg
Vitamin B20.16 mg
Vitamin B31.12 mg
Vitamin B60.1 mg
Vitamin B120 µg
Folate32 µg

Common questions

Oats FAQ

How many calories in 1 cup of oats?

1 cup of oats (80 g) provides about 303 kcal. Per 100 g, oats has 379 kcal.

How much protein in oats?

Oats contains 13.2 g of protein per 100 g — about 10.6 g per 1 cup (80 g).

Is oats high in fiber?

Oats has 10.1 g of fiber per 100 g and ranks #7 of 58 tracked foods for fiber.

Explore

Where oats ranks

Food graph

Nutritionally similar to oats

Computed from all 25 tracked nutrient profiles in the database — closest overall composition, not necessarily the same food family.

Compare

Oats vs …

Keep exploring

Related grains

Data Provenance

USDA FoodData Central

Survey (FNDDS)

FDC ID
2708489
Basis
100 g edible portion
Record type
Survey (FNDDS)
Retrieved
September 24, 2026