Canned tuna, 3 oz (85 g), contains about 21.7 g of protein, 0 g of fiber and 99 kcal, according to USDA FoodData Central.
At a glance
- Protein
- 21.7 g
- Fiber
- 0 g
- Calories
- 99 kcal
- Protein per 100 kcal
- 21.9 g
Portions from USDA FoodData Central
| Portion | Grams | Calories | Protein | Fiber | Carbohydrate | Fat |
|---|---|---|---|---|---|---|
| Chosen serving: 3 oz | 85 g | 99 kcal | 21.7 g | 0 g | 0 g | 0.7 g |
| Per 100 g | 100 g | 116 kcal | 25.5 g | 0 g | 0 g | 0.8 g |
| 1 can | 165 g | 191.4 kcal | 42.1 g | 0 g | 0 g | 1.4 g |
A familiar serving, made clear
A drained 3 oz portion of tuna works for a sandwich or a bowl.
Where these numbers come from
USDA description: Fish, tuna, light, canned in water, without salt, drained solids. FDC ID: 171986. Dataset: USDA FoodData Central, SR Legacy, April 2018 release, published 2019-04-01. Food record published 4/1/2019; dataset retrieved 20 September 2026.
Use these values to orient your meal, then make the journal match what was on your plate.
Related references
Foods
- Written by
- Dr. Loredana Gavrilovici, Founder of Food & Fit
- Published