How many calories is Tuna Onigiri?

1 piece (60g) of Tuna Onigiri has 98 calories.

How much protein is in Tuna Onigiri?

1 piece (60g) of Tuna Onigiri has 3 grams of protein.

How many calories are in 100g of Tuna Onigiri?

100g of Tuna Onigiri has 163 calories and 5 grams of protein.

What is a standard serving for Tuna Onigiri?

A standard serving of Tuna Onigiri is 1 piece (60g), which has 98 calories and 3 grams of protein.

How do I estimate my portion of Tuna Onigiri?

The easiest way is to estimate the main calorie drivers separately: rice ball size, tuna filling amount, nori wrap, salt crust and soy sauce dip. If you don't know how much Tuna Onigiri you ate, or whether you had a piece, serving, plate, bowl or cup, download Welling and it will help estimate the portion for you.

Tuna Onigiri

Generic

1 piece (60g) of Tuna Onigiri contains 98 calories and 3 grams of protein

Amount

Serving

Other servings:

98 calories

per 1 piece (60g)

Protein 3g

Carbs View in app

Fat View in app

Log with Welling

See the full macros for Tuna Onigiri in the Welling app.

Nutrition Facts for 1 piece (60g) of Tuna Onigiri

Nutrition per serving of Tuna Onigiri. Values other than calories and protein are available in the Welling app.
Calories	98 kcal
Protein	3g
Fat	View in app
Carbs	View in app
Fiber	View in app
Sugar	View in app
Sodium	View in app

Macro Ratio for Tuna Onigiri

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

View in app

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Frequently Asked Questions

How many calories is Tuna Onigiri?: 1 piece (60g) of Tuna Onigiri has 98 calories.
How much protein is in Tuna Onigiri?: 1 piece (60g) of Tuna Onigiri has 3 grams of protein.
How many calories are in 100g of Tuna Onigiri?: 100g of Tuna Onigiri has 163 calories and 5 grams of protein.
What is a standard serving for Tuna Onigiri?: A standard serving of Tuna Onigiri is 1 piece (60g), which has 98 calories and 3 grams of protein.
How do I estimate my portion of Tuna Onigiri?: The easiest way is to estimate the main calorie drivers separately: rice ball size, tuna filling amount, nori wrap, salt crust and soy sauce dip. If you don't know how much Tuna Onigiri you ate, or whether you had a piece, 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 10, 2026