PortionCalc

Calories in Oats

1 cup of oats (81 g) has 307 calories, with 11 g of protein, 5.3 g of fat and 55 g of carbohydrates. Per 100 grams, oats has 379 calories.

Most of the calories in oats come from carbohydrates (71%). Oats is a good source of protein, with 13 g per 100 g, high in fiber (10 g per 100 g) and a good source of iron. It has more calories per gram than 86% of the 203 grains, rice and pasta in our database.

Oats Calorie Calculator

307cal
in 1 cup of oats (81 g)
Protein11 g14% of calories
Fat5.3 g15% of calories
Carbs55 g71% of calories
15% of a 2,000 calorie day

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    Oats calories by serving size

    Common amounts of oats with calories and macros. Tap a row for its full nutrition page.

    ServingWeightCaloriesProteinFatCarbs
    1/2 cup41 g1535.3 g2.6 g27 g
    50g50 g1906.6 g3.3 g34 g
    1 cup81 g30711 g5.3 g55 g
    100g100 g37913 g6.5 g68 g
    4 oz113 g43015 g7.4 g77 g
    200g200 g75826 g13 g135 g

    Oats vs similar foods

    Calories per 100 g compared with other grains, rice and pasta.

    Oats: common questions

    How many calories are in 1 cup of oats?

    1 cup of oats (81 g) has 307 calories.

    How many calories are in 100 grams of oats?

    100 grams of oats has 379 calories, 13 g of protein, 6.5 g of fat and 68 g of carbohydrates.

    How much protein is in oats?

    Oats has 13 g of protein per 100 g. 1 cup of oats gives you 11 g.

    Is oats high in calories?

    Oats has 379 calories per 100 g. It has more calories per gram than 86% of the 203 grains, rice and pasta in our database. A 2,000 calorie day fits about 528 g of it.

    More about oats

    Source: USDA FoodData Central, SR Legacy. FDC ID 173904. Original description: Cereals, oats, regular and quick, not fortified, dry. Portion weights are USDA household measures.