Carbs in Green Bean

Keto-friendly

How many carbs are in green bean?

Green Bean has 4.3g net carbs per 100g — 7g total carbs minus 2.7g fiber — plus 1.8g protein, 0.2g fat, and 31 calories. That makes green bean relatively low in net carbs and lower than the typical vegetable, which averages about 17.9g net carbs per 100g. With this carb count, green bean fits a keto or low-carb diet (usually 20–50g net carbs per day) in normal portions. Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.

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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

Green Bean
4.3g
Net carbs
7g
Total carbs
2.7g
Fiber
1.8g
Protein
0.2g
Fat
31
Calories

Values per 100 g.

Is green bean keto-friendly?

Yes, in moderation

Yes, green bean can fit a keto diet in moderate portions. It has 4.3g net carbs per 100g (7g total carbs − 2.7g fiber). On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other vegetables and meals.

Carbs by serving size

ServingNet carbsTotal carbsCalories
100 g (3.5 oz)4.3g7g31
1 oz (28 g)1.2g2g9

How many calories are in green bean?

Green Bean has 31 calories per 100g. That's alongside 1.8g protein, 0.2g fat, and 4.3g net carbs per 100g.

Nutrition facts

NutrientAmount (per 100 g)
Calories31
Total carbs7g
Net carbs4.3g
Fiber2.7g
Sugar3.3g
Sugar alcohols0g
Protein1.8g
Fat0.2g
Sodium6mg
Potassium211mg

Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in green bean?
Green Bean has 7g of total carbs and 4.3g of net carbs per 100 grams.
How many net carbs are in green bean?
Green Bean has 4.3g of net carbs per 100 grams (total carbs 7g minus 2.7g fiber).
Is green bean keto-friendly?
Yes, green bean can fit a keto diet in moderate portions. It has 4.3g net carbs per 100g (7g total carbs − 2.7g fiber). On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other vegetables and meals.
How many calories are in green bean?
Green Bean has 31 calories per 100 grams.

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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.