How many calories is Bento Box?

1 box (250g) of Bento Box has 388 calories.

How much protein is in Bento Box?

1 box (250g) of Bento Box has 16 grams of protein.

How many calories are in 100g of Bento Box?

100g of Bento Box has 155 calories and 7 grams of protein.

What is a standard serving for Bento Box?

A standard serving of Bento Box is 1 box (250g), which has 388 calories and 16 grams of protein.

How do I estimate my portion of Bento Box?

The easiest way is to estimate the main calorie drivers separately: rice portion, main protein, fried items, side compartments and sauce. If you don't know how much Bento Box you ate, or whether you had a box, serving, plate, bowl or cup, download Welling and it will help estimate the portion for you.

Bento Box

Generic

1 box (250g) of Bento Box contains 388 calories and 16 grams of protein

Amount

Serving

Other servings:

388 calories

per 1 box (250g)

Protein 16g

Carbs View in app

Fat View in app

Log with Welling

See the full macros for Bento Box in the Welling app.

Nutrition Facts for 1 box (250g) of Bento Box

Nutrition per serving of Bento Box. Values other than calories and protein are available in the Welling app.
Calories	388 kcal
Protein	16g
Fat	View in app
Carbs	View in app
Fiber	View in app
Sugar	View in app
Sodium	View in app

Macro Ratio for Bento Box

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

View in app

Foods Related to Bento Box

Healthier Alternatives for Bento Box

Frequently Asked Questions

How many calories is Bento Box?: 1 box (250g) of Bento Box has 388 calories.
How much protein is in Bento Box?: 1 box (250g) of Bento Box has 16 grams of protein.
How many calories are in 100g of Bento Box?: 100g of Bento Box has 155 calories and 7 grams of protein.
What is a standard serving for Bento Box?: A standard serving of Bento Box is 1 box (250g), which has 388 calories and 16 grams of protein.
How do I estimate my portion of Bento Box?: The easiest way is to estimate the main calorie drivers separately: rice portion, main protein, fried items, side compartments and sauce. If you don't know how much Bento Box you ate, or whether you had a box, serving, plate, bowl or cup, 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