Carbs in Tuna Sandwich Subway
How many carbs are in tuna sandwich subway?
Tuna Sandwich Subway has 24.9g net carbs per 100g — 26.4g total carbs minus 1.5g fiber — plus 8.6g protein, 10.8g fat, and 240 calories. That makes tuna sandwich subway high in net carbs and about average for the typical fast-food item, which averages about 26.5g net carbs per 100g. At this carb count, tuna sandwich subway is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
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Tuna Sandwich Subway runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is tuna sandwich subway keto-friendly?
Tuna Sandwich Subway is generally not keto-friendly. It has 24.9g net carbs per 100g (26.4g total carbs − 1.5g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 24.9g | 26.4g | 8.6g | 240 |
| 1 oz (28 g) | 7g | 7.4g | 2.4g | 67 |
How many calories are in tuna sandwich subway?
Tuna Sandwich Subway has 240 calories per 100g. That's alongside 8.6g protein, 10.8g fat, and 24.9g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 240 |
| Total carbs | 26.4g |
| Net carbs | 24.9g |
| Fiber | 1.5g |
| Sugar | 4.3g |
| Sugar alcohols | 0g |
| Protein | 8.6g |
| Fat | 10.8g |
| Sodium | 504mg |
| Potassium | 0mg |
Source: Open Food Facts (Monique Ranou). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in tuna sandwich subway?
- Tuna Sandwich Subway has 26.4g of total carbs and 24.9g of net carbs per 100 grams.
- How many net carbs are in tuna sandwich subway?
- Tuna Sandwich Subway has 24.9g of net carbs per 100 grams (total carbs 26.4g minus 1.5g fiber).
- Is tuna sandwich subway keto-friendly?
- Tuna Sandwich Subway is generally not keto-friendly. It has 24.9g net carbs per 100g (26.4g total carbs − 1.5g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in tuna sandwich subway?
- Tuna Sandwich Subway has 240 calories per 100 grams.
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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.