How many calories are in Onion Tuna?

100 g of Onion Tuna has 176 kcal. Serving, 1 can, 79 g (79 g): about 139 kcal.

Is Onion Tuna high in protein?

Onion Tuna contains 17.7 g of protein per 100 g (35% of the 50 g Daily Value), or 14 g in serving, 1 can, 79 g (79 g). About 40% of its calories come from protein. Compared with other fish and seafood, that is above the median (median 17 g).

How many carbs are in Onion Tuna?

Onion Tuna has 3.5 g of total carbohydrates per 100 g, including 6.3 g of fiber. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Onion Tuna?

Onion Tuna contains 10.1 g of fat per 100 g.

Where does this nutrition data come from?

From Open Food Facts, record dated August 17, 2026. FoodFactly last checked it on November 8, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Onion Tuna

Packaged product Fish and Seafood Siena

Onion Tuna contains 176 kcal per 100 g. A serving, 1 can, 79 g (79 g) provides about 139 kcal.

Roughly 52% of its calories come from fat, with 40% from protein and 8% from carbohydrates (estimated with general energy factors).

That is close to the median for fish and seafood on FoodFactly (166 kcal per 100 g).

The values are as declared on the product label and entered by Open Food Facts contributors.

Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors

176kcal per 100 g

17.7 gprotein

3.5 gcarbohydrates

10.1 gfat

139kcal in serving, 1 can, 79 g (79 g)

Nutrition facts

Amount

Nutrition facts for the selected amount
Nutrient	Amount per 100 g	% DV
Calories L	176 kcal
Total fat L	10.1 g	13%
Saturated fat	not reported
Sodium	not reported
Total carbohydrates L	3.5 g	1%
Dietary fiber L	6.3 g	23%
Total sugars	not reported
Protein L	17.7 g	35%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein 40%
Carbohydrates 8%
Fat 52%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Nutritional insights

Protein17.7 gabove the median for fish and seafood (median 17 g)
Fiber6.3 gin the top quarter of fish and seafood (median 0 g)
Fat10.1 gabove the median for fish and seafood (median 7.4 g)
Protein per 100 kcal10.1 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand: Siena
Barcode: 9350177000909
Label serving: 1 Can (79 g)
Category: Fish and Seafood

Ingredients

Ingredients not reported.

Similar products

Food	Calories	Protein	Carbs	Fat
Fish Sticks Wegmans	176	11.1 g	23.1 g	4.2 g
Australian Line Caught Wild Tuna In Chilli East Coast Tuna Co	176	25.4 g	0 g	8.1 g
Organic Scottish Salmon fillet Waitrose	176	22.9 g	0.7 g	8.9 g
Heb salmon Arctic fish	176	21.2 g	0 g	10.6 g
Whitefish Garlic Kyivs Morrisons	176	19.6 g	2.5 g	9.6 g
Wild Salmon C&H Classic Smoked Fish	176	23.2 g	2.1 g	8.5 g
Fresh Farm Raised Norwegian Salmon Market Basket	176	17.6 g	0 g	11.5 g
Smoked Nova Steelhead Salmon Vita	176	24.7 g	0.88 g	7.9 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

Open Food Facts, record 9350177000909. License: ODbL 1.0 (Open Food Facts). Source record dated August 17, 2026. Imported November 8, 2026.

Last updated: November 8, 2026. Data quality score: 75/100 (how it is calculated).

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.