What does 100 calories of oatmeal cookie look like?

100 calories =1 large cookie22 g · 0.8 oz
High calorie density4.5 kcal/g
Each 🍪 = one large cookie (~25.0 g). The last icon shows a part of one.
Food volume for 100 kcal

Oatmeal cookie has 450 calories per 100 g, so 100 calories is 1 large cookie of oatmeal cookie (22 g). That's a smaller portion than most snacks & sweets on this site (average 34 g per 100 kcal). Weigh or measure it at first: eyeballed portions of dense foods are where hidden calories come from.

Oatmeal cookie: 50 to 500 calories

CaloriesGramsOuncesLarge cookies
50 kcal11 g0.4 oz½
100 kcal22 g0.8 oz1
200 kcal44 g1.6 oz1¾
300 kcal67 g2.4 oz2⅔
500 kcal111 g3.9 oz4½

What's in 100 calories of oatmeal cookie

1.4 gprotein
15.3 gcarbs
4.0 gfat
0.6 gfiber

Protein 5% Carbs 59% Fat 35% of calories

Want more food for the same 100 calories?

These give you at least 2½ times more volume than oatmeal cookie:

Compare with other snacks & sweets

Food100 kcal isGrams
🍪 Oatmeal cookie1 large cookie22 g
🍭 Ice pop2½ ice pops127 g
🍅 Ketchup5¾ tablespoons99 g
🍮 Chocolate pudding¾ 3.5-oz cup70 g
🍧 Sorbet1 half cup69 g
🍖 BBQ sauce3½ tablespoons58 g
🍨 Vanilla ice cream¾ half-cup scoop48 g
🍨 Chocolate ice cream⅔ half-cup scoop46 g
🥧 Apple pie⅓ slice42 g
🍦 Ice cream sandwich⅔ sandwich42 g
🍁 Maple syrup2 tablespoons38 g
🍓 Jam1¾ tablespoons36 g
🍯 Honey1½ tablespoons33 g

See all snacks & sweets →

Questions

How much is 100 calories of oatmeal cookie?

100 calories of oatmeal cookie is about 22 g (0.8 oz), or roughly 1 large cookie.

How many calories are in 100 g of oatmeal cookie?

450 calories per 100 g, according to USDA FoodData Central.

Is oatmeal cookie good for weight loss?

High calorie density (4.50 kcal per gram). Small portions add up fast. Measuring matters most for foods like this. 100 calories also gives you 1.4 g of protein and 0.6 g of fiber.

How many calories are in one large cookie?

About 112 calories.

How many large cookies is 200 calories?

About 1¾ (44 g).

Free printable

The 100-calorie cheat sheet

One page with 300+ foods and their exact 100-calorie portions. Stick it on the fridge.

Source: USDA FoodData Central, "Cookies, oatmeal, commercially prepared, regular" (FDC ID 172725). Grams for 100 kcal = 100 ÷ calories per gram. Unit weight: USDA: 1 cookie, big (3-1/2" - 4" dia) (include Archway brand, Grandma brand) = 25.0 g. Real portions vary by size, variety and preparation. Updated 2026-10-23.