Turnip is keto only in small portions: it has ~6 g of net carbs per 1 cup cubed, against the keto diet's 5 g-per-serving limit.
Net carbs
6 g
per 1 cup cubed
These are the carbs that count on keto: total carbs minus fiber.
With about 6.1 g net carbs per cup, turnip is only moderately keto-friendly and portions should be kept in check.
Nutrition facts for turnip
0.1 g
Fat
1.2 g
Protein
2.3 g
Fiber
Why turnip is keto only in small portions?
On keto the goal is to stay under ~5 g of net carbs per serving; turnip has 6 g per 1 cup cubed (8 g total − 2 g of fiber).
How much turnip can I eat on keto?
To stay under 5 g of net carbs, the limit is ~107 g of turnip. A better keto alternative is radish.
Best keto alternative
Related
No
Corn
18 g net
/ 1 medium ear
No
Butternut squash
13 g net
/ 1 cup, cubed
Yes
Cabbage
3 g net
/ 1 cup, chopped
Yes
Onion
4 g net
/ 1/2 medium onion
Yes
Green bean
4 g net
/ 1 cup
Yes
Broccoli
3 g net
/ 1 cup chopped
See all: Verduras 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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