French fries is not keto: it has ~37 g of net carbs per 1 medium serving, against the keto diet's 5 g-per-serving limit.
Net carbs
37 g
per 1 medium serving
These are the carbs that count on keto: total carbs minus fiber.
They have about 37 g of net carbs per serving and a high glycemic index.
Nutrition facts for french fries
17 g
Fat
4 g
Protein
4 g
Fiber
Why french fries is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; french fries has 37 g per 1 medium serving (41 g total − 4 g of fiber).
How much french fries can I eat on keto?
To stay under 5 g of net carbs, the limit is ~16 g of french fries. A better keto alternative is papas fritas.
Best keto alternative
Related
✓Yes
Keto snacks
3 g net
/ 1 serving (30 g)
✓Yes
Popcorn
5 g net
/ 1 cup (popped, no added fat)
✓Yes
Keto protein bar
3 g net
/ 1 bar (40 g)
✓Yes
Pork rinds
0 g net
/ 1 serving (28 g)
✓Yes
Olive
1 g net
/ 10 olives
✓Yes
Flaxseeds
0 g net
/ 1 tablespoon (ground or whole)
See all: Snacks keto
Source: nutritional estimate (USDA-style reference) · Confidence: high
Reviewed by the Ketorai team · Last updated: July 1, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Reviewed by the Ketorai team · Last updated: July 1, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Something off? Let us know.
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