1/2 Cup of Oats in Grams

1/2 cup of oats weighs 41 grams, or 1.4 oz.

This is the USDA household measure for oats. That amount has 153 calories. Packing, chopping and moisture change how much fits in a cup, so a kitchen scale gives the most accurate count.

Oats Calorie Calculator

AmountUnit

153cal

in 1/2 cup of oats (41 g)

Protein5.3 g14% of calories

Fat2.6 g15% of calories

Carbs27 g71% of calories

8% of a 2,000 calorie day

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Oats cups to grams

Amount	Grams	Ounces	Calories
1/4 cup	20 g	0.7 oz	77
1/3 cup	27 g	1 oz	102
1/2 cup	41 g	1.4 oz	153
2/3 cup	54 g	1.9 oz	205
3/4 cup	61 g	2.1 oz	230
1 cup	81 g	2.9 oz	307
1 1/2 cups	122 g	4.3 oz	460
2 cups	162 g	5.7 oz	614
3 cups	243 g	8.6 oz	921
4 cups	324 g	11 oz	1228

Oats calories by serving size

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

Serving	Weight	Calories	Protein	Fat	Carbs
1/2 cup	41 g	153	5.3 g	2.6 g	27 g
50g	50 g	190	6.6 g	3.3 g	34 g
1 cup	81 g	307	11 g	5.3 g	55 g
100g	100 g	379	13 g	6.5 g	68 g
4 oz	113 g	430	15 g	7.4 g	77 g
200g	200 g	758	26 g	13 g	135 g

Oats vs similar foods

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

Steel Cut Oats381

Oats379

Farro367

Oatmeal Made with Milk116

Cooked Oats71

Instant Oatmeal68

Oatmeal64

Oats: common questions

How many grams are in 1/2 cup of oats?

1/2 cup of oats is about 41 g.

How many calories are in 1/2 cup of oats?

1/2 cup of oats has 153 calories.

How many cups is 100 g of oats?

100 g of oats is about 1 1/4 cups.

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.