How many calories is Oreo?

1 cookie (15g) of Oreo has 71 calories.

How much protein is in Oreo?

1 cookie (15g) of Oreo has 1 grams of protein.

How many calories are in 100g of Oreo?

100g of Oreo has 472 calories and 6 grams of protein.

What is a standard serving for Oreo?

A standard serving of Oreo is 1 cookie (15g), which has 71 calories and 1 grams of protein.

How do I estimate my portion of Oreo?

The easiest way is to estimate the main calorie drivers separately: number of cookies, cookie size, full pack or a few and eaten with milk or coffee. If you don't know how much Oreo you ate, or whether you had a cookie, large, regular, serving, piece, scoop, square or bar, download Welling and it will help estimate the portion for you.

Oreo

1 cookie (15g) of Oreo contains 71 calories and 1 gram of protein

Amount

Serving

Other servings:

71 calories

per 1 cookie (15g)

Protein 1g

Carbs View in app

Fat View in app

Log with Welling

See the full macros for Oreo in the Welling app.

Nutrition Facts for 1 cookie (15g) of Oreo

Nutrition per serving of Oreo. Values other than calories and protein are available in the Welling app.
Calories	71 kcal
Protein	1g
Fat	View in app
Carbs	View in app
Fiber	View in app
Sugar	View in app
Sodium	View in app

Macro Ratio for Oreo

See how protein, carb and fat are split for this food in the app.

View in app

Foods Related to Oreo

Healthier Alternatives for Oreo

Frequently Asked Questions

How many calories is Oreo?: 1 cookie (15g) of Oreo has 71 calories.
How much protein is in Oreo?: 1 cookie (15g) of Oreo has 1 grams of protein.
How many calories are in 100g of Oreo?: 100g of Oreo has 472 calories and 6 grams of protein.
What is a standard serving for Oreo?: A standard serving of Oreo is 1 cookie (15g), which has 71 calories and 1 grams of protein.
How do I estimate my portion of Oreo?: The easiest way is to estimate the main calorie drivers separately: number of cookies, cookie size, full pack or a few and eaten with milk or coffee. If you don't know how much Oreo you ate, or whether you had a cookie, large, regular, serving, piece, scoop, square or bar, download Welling and it will help estimate the portion for you.

Sources and methodology

Nutrition values are reviewed and compiled from published food composition data, the sources listed below, and Welling’s own nutrition database. Values are based on common serving sizes and may vary by portion size, ingredients, cooking method, and restaurant preparation.

References

USDA FoodData Central (opens in a new tab) US Department of Agriculture
EFSA food composition data (opens in a new tab) European Food Safety Authority
Energy and Nutrient Composition of Food (SG FoodID) (opens in a new tab) Health Promotion Board, Singapore
Nutrient Information Inquiry System (opens in a new tab) Centre for Food Safety, Hong Kong
MenuStat (opens in a new tab) Restaurant menu nutrition data, NYC Department of Health and Mental Hygiene
Welling food database Welling's own food and serving size data

Last updated: September 29, 2026