How many calories is Overnight Oats?

1 cup (240g) of Overnight Oats has 240 calories.

How much protein is in Overnight Oats?

1 cup (240g) of Overnight Oats has 8 grams of protein.

How many calories are in 100g of Overnight Oats?

100g of Overnight Oats has 100 calories and 4 grams of protein.

What is a standard serving for Overnight Oats?

A standard serving of Overnight Oats is 1 cup (240g), which has 240 calories and 8 grams of protein.

How do I estimate my portion of Overnight Oats?

The easiest way is to estimate the main calorie drivers separately: jar size, oat and milk base, yogurt or protein mixed in, sweetener and fruit and nut butter toppings. If you don't know how much Overnight Oats you ate, or whether you had a cup, plate or bowl, download Welling and it will help estimate the portion for you.

Overnight Oats

Generic

1 cup (240g) of Overnight Oats contains 240 calories and 8 grams of protein

Amount

Serving

Other servings:

240 calories

per 1 cup (240g)

Protein 8g

Carbs View in app

Fat View in app

Log with Welling

See the full macros for Overnight Oats in the Welling app.

Nutrition Facts for 1 cup (240g) of Overnight Oats

Nutrition per serving of Overnight Oats. Values other than calories and protein are available in the Welling app.
Calories	240 kcal
Protein	8g
Fat	View in app
Carbs	View in app
Fiber	View in app
Sugar	View in app
Sodium	View in app

Macro Ratio for Overnight Oats

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

View in app

Foods Related to Overnight Oats

Healthier Alternatives for Overnight Oats

Frequently Asked Questions

How many calories is Overnight Oats?: 1 cup (240g) of Overnight Oats has 240 calories.
How much protein is in Overnight Oats?: 1 cup (240g) of Overnight Oats has 8 grams of protein.
How many calories are in 100g of Overnight Oats?: 100g of Overnight Oats has 100 calories and 4 grams of protein.
What is a standard serving for Overnight Oats?: A standard serving of Overnight Oats is 1 cup (240g), which has 240 calories and 8 grams of protein.
How do I estimate my portion of Overnight Oats?: The easiest way is to estimate the main calorie drivers separately: jar size, oat and milk base, yogurt or protein mixed in, sweetener and fruit and nut butter toppings. If you don't know how much Overnight Oats you ate, or whether you had a cup, plate or bowl, 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