Black bean is not keto: it has ~25 g of net carbs per 1 cup (cooked), against the keto diet's 5 g-per-serving limit.
Net carbs
25 g
per 1 cup (cooked)
These are the carbs that count on keto: total carbs minus fiber.
With about 25.8 g net carbs per cup, black beans are far too high in carbs for a keto diet.
Nutrition facts for black bean
0.9 g
Fat
15.2 g
Protein
15 g
Fiber
Why black bean is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; black bean has 25 g per 1 cup (cooked) (40 g total − 15 g of fiber).
How much black bean can I eat on keto?
To stay under 5 g of net carbs, the limit is ~33 g of black bean.
Related
Source: nutritional estimate (USDA-style reference) · Confidence: high
Reviewed by the Ketorai team · Last updated: July 2, 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 2, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
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