How Much Does a Small Oatmeal Cookie Weigh?

A small oatmeal cookie weighs about 20 grams (0.7 oz).

That is the USDA average for one small oatmeal cookie, which has 90 calories and 1.2 g of protein. Sizes vary, so weigh yours if you track closely.

Oatmeal Cookie Calorie Calculator

AmountUnit

90cal

in 1 small oatmeal cookie (20 g)

Protein1.2 g5% of calories

Fat3.6 g35% of calories

Carbs14 g59% of calories

5% of a 2,000 calorie day

Add portions from any food page to build a meal total. It stays in this browser.

Measure	Grams	Ounces	Calories
1 medium oatmeal cookie	30 g	1.1 oz	135
1 small oatmeal cookie	20 g	0.7 oz	90
1 large oatmeal cookie	45 g	1.6 oz	203

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

Serving	Weight	Calories	Protein	Fat	Carbs
1 small oatmeal cookie	20 g	90	1.2 g	3.6 g	14 g
1 oz	28 g	128	1.8 g	5.1 g	19 g
1 medium oatmeal cookie	30 g	135	1.9 g	5.4 g	21 g
2 small oatmeal cookies	40 g	180	2.5 g	7.2 g	27 g
1 large oatmeal cookie	45 g	203	2.8 g	8.1 g	31 g
50g	50 g	225	3.1 g	9.1 g	34 g
2 medium oatmeal cookies	60 g	270	3.7 g	11 g	41 g
2 large oatmeal cookies	90 g	405	5.6 g	16 g	62 g
100g	100 g	450	6.2 g	18 g	69 g
4 oz	113 g	510	7 g	21 g	78 g
200g	200 g	900	12 g	36 g	137 g

Calories per 100 g compared with other sweets and desserts.

Oatmeal Cookie450

About 20 g, or 0.7 oz.

A small oatmeal cookie has 90 calories.

Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2707945. Original description: Cookie, oatmeal. Portion weights are USDA household measures.