Carbs in Tuna Steak
Keto-friendlyHow many carbs are in tuna steak?
Tuna Steak has 0g net carbs per 100g — 0g total carbs minus 0g fiber — plus 24.7g protein, 1.2g fat, and 109 calories. 6 oz cooked (170g) works out to about 0g net carbs and 185 calories. That makes tuna steak very low in net carbs and lower than the typical protein food, which averages about 9.9g net carbs per 100g. With this carb count, tuna steak fits a keto or low-carb diet (usually 20–50g net carbs per day) in normal portions. Values are per per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is tuna steak keto-friendly?
Yes — tuna steak is keto-friendly. It has 0g net carbs per 100g (0g total carbs − 0g fiber). A typical serving — 6 oz cooked (170g) — is about 0g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other protein foods and meals.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 6 oz cooked | 0g | 0g | 42g | 185 |
| 100 g (3.5 oz) | 0g | 0g | 24.7g | 109 |
| 1 oz (28 g) | 0g | 0g | 6.9g | 31 |
How many calories are in tuna steak?
Tuna Steak has 109 calories per 100g. 6 oz cooked (170g) has about 185 calories. That's alongside 24.7g protein, 1.2g fat, and 0g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 109 |
| Total carbs | 0g |
| Net carbs | 0g |
| Fiber | 0g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 24.7g |
| Fat | 1.2g |
| Sodium | 49mg |
| Potassium | 285mg |
Source: Manufacturer-reported values (protein). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in tuna steak?
- Tuna Steak has 0g of total carbs and 0g of net carbs per 100 grams.
- How many net carbs are in tuna steak?
- Tuna Steak has 0g of net carbs per 100 grams (total carbs 0g minus 0g fiber).
- Is tuna steak keto-friendly?
- Yes — tuna steak is keto-friendly. It has 0g net carbs per 100g (0g total carbs − 0g fiber). A typical serving — 6 oz cooked (170g) — is about 0g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other protein foods and meals.
- How many calories are in tuna steak?
- Tuna Steak has 109 calories per 100 grams.
- How many carbs are in 6 oz cooked of tuna steak?
- 6 oz cooked of tuna steak (170g) has about 0g net carbs, 0g total carbs, and 185 calories.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.