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not keto

subway

Q: How much subway can I eat on keto?

Up to ~26 g to stay under 5 g of net carbs. Best keto alternative: Lettuce wrap.

Prepared dish

Also: Subway sub and Subway 6-inch sub

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Is subway keto?

subway is not keto: it has ~37 g of net carbs per 1 6-inch sub, against the keto diet's 5 g-per-serving limit.

Net carbs = total − fiber

37 g

per 1 6-inch sub

These are the carbs that count on keto: total carbs minus fiber.

A standard Subway sandwich contains over 37 grams of net carbs per serving, primarily due to the wheat bread.

5.2 g

Fat

23.2 g

Protein

1.3 g

Fiber

How many carbs are in subway?

subway has ~38 g of carbs and ~37 g of net carbs per 1 6-inch sub (total carbs minus 1 g of fiber).

Why subway is not keto?

On keto the goal is to stay under ~5 g of net carbs per serving; subway has 37 g per 1 6-inch sub (38 g total − 1 g of fiber).

How much subway can I eat on keto?

To stay under 5 g of net carbs, the limit is ~26 g of subway. A better keto alternative is lettuce wrap.

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Best keto alternative

Yes

Lettuce wrap

5 g net / 1 wrap

Taco Bell Crunchwrap Supreme

61 g net / 1 crunchwrap supreme

Flying Dutchman In-N-Out

2 g net / 1 burger (no bun)

In moderation

Fish Cake

9 g net / 1 medium cake

macaroni and cheese

22 g net / 1 cup

See all: Keto fast food

Source: nutritional estimate (USDA-style reference) · Confidence: high
Reviewed by the Ketorai team · Last updated: August 24, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.

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