Subway Keto and Low-Carb Guide
By the MacroTray editorial team · Updated · Data: Subway U.S. Nutrition Information (October 2026)

Strict keto diets commonly aim for roughly 20 to 50g of net carbs per day; moderate low-carb plans often allow more. This ranking shows the Subway meals with the fewest net carbs, from official data.
Key takeaways
- Lowest net carbs: Tuna Salad with 6g.
- Bread, buns, tortillas, rice, fries and sugary sauces are where most carbs come from.
- Use the calculator to remove carb-heavy parts and see the new total.
Meals with the fewest net carbs
| # | Order | Net carbs | Protein | Cal | Fat |
|---|---|---|---|---|---|
| 1 | Tuna Salad | 6g | 21g | 400 | 31g |
| 2 | Tuna Protein Bowl | 6g | 39g | 730 | 61g |
| 3 | Oven-Roasted Turkey Salad | 7g | 20g | 400 | 32g |
| 4 | Cold Cut Combo® Salad | 7g | 19g | 460 | 38g |
| 5 | B.L.T. Salad | 7g | 13g | 420 | 36g |
| 6 | Oven-Roasted Turkey Protein Bowl | 7g | 37g | 540 | 40g |
| 7 | B.L.T. Protein Bowl | 7g | 22g | 560 | 49g |
| 8 | Grilled Chicken Salad | 8g | 26g | 450 | 34g |
| 9 | Turkey & Ham Salad | 8g | 20g | 400 | 32g |
| 10 | Grilled Chicken Protein Bowl | 8g | 48g | 620 | 44g |
Sauces and dressings can carry sugar. Check them in the calculator before adding.
Frequently asked questions
What is the lowest-carb meal at Subway?
Tuna Salad has the fewest net carbs among full meals in our data: 6g net carbs.
What are net carbs?
Net carbs are total carbohydrates minus dietary fiber. Many low-carb and keto eaters count net carbs.
More Subway guides
- High-Protein Subway Orders, Ranked
- The Lowest-Calorie Meals at Subway
- Subway Low-Sodium Guide
- Full Subway menu nutrition