How much fiber is in tuna?

Tuna has 0 grams of fiber. Fiber comes from plants, and tuna is not a plant food, so no serving size changes that. USDA lists 3 ounces, canned in water (85 grams) at 0 grams of fiber.

0gof fiber in 3 ounces, canned in water

How many
1
Daily goal

0% of a 25 gram day

Fiber in tuna by serving size

ServingWeightFiber
3 oz85g0g
1 can165g0g
100 grams100g0g

Zero fiber

Tuna has no fiber, canned or fresh, in water or in oil. Fish is not a plant.

A tuna sandwich

Tuna on two slices of whole wheat bread has 3.8 grams of fiber, all from the bread. Add a cup of chopped bell pepper on the side and it is 6.9.

Add fiber to a meal with tuna

Tuna is one of 10 foods in this library with no fiber. See them all, each with a plant to pair it with, in foods with no fiber.

Not sure what your daily number should be? The fiber calculator works it out from your age and sex. For a longer list to shop from, see 50 high-fiber foods ranked by fiber.

Questions about fiber in tuna

Does tuna have fiber?
No. USDA FoodData Central lists tuna at 0 grams of fiber per 100 grams. Fiber is found in plant foods.
Is there any fiber in 3 ounces, canned in water?
No. 3 ounces, canned in water weighs 85 grams and has 0 grams of fiber.
What can I eat with tuna to add fiber?
Black beans add 15 grams in 1 cup, cooked. Avocados add 9.2 grams in 1 avocado. Whole wheat bread adds 1.9 grams in 1 slice.
Does tuna count toward my daily fiber goal?
No. Tuna adds nothing to a 25 gram or 38 gram daily fiber goal. It can still be part of a high-fiber meal when you eat it with plants.
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Source: USDA FoodData Central, Fish, tuna, light, canned in water, without salt, drained solids, retrieved November 5, 2026. Label terms follow the FDA's 28 gram Daily Value for fiber.