Carbs in Tuna Fish
Keto-friendlyTuna Fish (per 100 g) contains 1.8g total carbs, 1.8g net carbs, 1.8g fat, 19.4g protein, and 106 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
1.8g
Net carbs
1.8g
Total carbs
0g
Fiber
19.4g
Protein
1.8g
Fat
106
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 1.8g | 1.8g | 19.4g | 106 |
| 1 oz (28 g) | 0.5g | 0.5g | 5.4g | 30 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 106 |
| Total carbs | 1.8g |
| Net carbs | 1.8g |
| Fiber | 0g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 19.4g |
| Fat | 1.8g |
| Sodium | 238mg |
| Potassium | 0mg |
Source: Open Food Facts (Ancla). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in tuna fish?
- Tuna Fish has 1.8g of total carbs and 1.8g of net carbs per 100 grams.
- How many net carbs are in tuna fish?
- Tuna Fish has 1.8g of net carbs per 100 grams (total carbs 1.8g minus 0g fiber).
- Is tuna fish keto-friendly?
- Yes — with 1.8g net carbs per 100g, tuna fish fits a ketogenic diet in normal portions.
- How many calories are in tuna fish?
- Tuna Fish has 106 calories per 100 grams.
