Are green beans keto?
Green beans fit measured portions: 1 cup of beans cut into 1/2 in pieces (100 g) gives 4.3 g of net carbs.
- Net carb count
- 4.3 g
- Carb total
- Amount: 7 g
- Fiber
- Amount: 2.7 g
- Protein
- Amount: 1.8 g
- Fat
- 0.2 g
- Calories
- Amount: 31 kcal
This makes up 22% of a 20 g keto day

Vegetables with fewer carbs
| Food | Serving | Net carbs (g) |
|---|---|---|
| Okra | 1 cup (100 g) | 4.3 |
| Brussels sprouts | 1 cup (88 g) | 4.6 |
Green beans within a keto diet
Green beans, cut into 1/2 in pieces (100 g), give a 1 cup serving with 4.3 g of net carbs, or 22% of the 20 g that a keto day allows.
With 4.3 g in each serving, green beans fit in measured portions: 4 servings would take the whole 20 g for the day.
That same serving of green beans carries 1.8 g of protein, 0.2 g of fat and 31 kcal.
For green beans, total carbs of 7 g less 2.7 g of fiber gives the net carbs.
Try kale for fewer carbs than green beans: each 1 cup (21 g) serving has 0 g net carbs.
Nutrition facts come from USDA FoodData Central: Green snap beans, raw (FDC 169961).