Calories in 500g of Oats
500g of oats (500 g) has 1895 calories. That is 95% of a 2,000 calorie diet.
The calories come from 66 g of protein, 33 g of fat and 339 g of carbohydrates, a split of 14% protein, 15% fat and 71% carbs. For comparison, 300g of oats has 1137 calories. Burning 1895 calories takes about 338 minutes of brisk walking or 153 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.
Oats Calorie Calculator
Your meal
Add portions from any food page to build a meal total. It stays in this browser.
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 500g of oats?
500g of oats weighs about 500 g and has 1895 calories.
How much protein is in 500g of oats?
500g of oats has 66 g of protein, which is 132% of the 50 g Daily Value.
How many carbs are in 500g of oats?
500g of oats has 339 g of carbohydrates, including 51 g of fiber and 5 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
Amount for a target
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.