Calories in 300g of Oats
300g of oats (300 g) has 1137 calories. That is 57% of a 2,000 calorie diet.
The calories come from 39 g of protein, 20 g of fat and 203 g of carbohydrates, a split of 14% protein, 15% fat and 71% carbs. For comparison, 250g of oats has 948 and 500g of oats has 1895 calories. Burning 1137 calories takes about 203 minutes of brisk walking or 92 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.
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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.
Oats vs similar foods
Calories per 100 g compared with other grains, rice and pasta.
Oats: common questions
How many calories are in 300g of oats?
300g of oats weighs about 300 g and has 1137 calories.
How much protein is in 300g of oats?
300g of oats has 39 g of protein, which is 79% of the 50 g Daily Value.
How many carbs are in 300g of oats?
300g of oats has 203 g of carbohydrates, including 30 g of fiber and 3 g of sugars.
How much oats is 100 calories?
100 calories of oats is 26 g, about 1/4 cup of oats.
More about oats
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Weights and conversions
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.