How much fiber is in green beans?
Green beans have 4 grams of fiber in 1 cup, cooked (125 grams), according to USDA FoodData Central. That is 14% of the Daily Value, which the FDA's label rules call a good source of fiber. Per 100 grams, green beans have 3.2 grams of fiber.
4gof fiber in 1 cup, cooked
16% of a 25 gram day
Fiber in green beans by serving size
| Serving | Weight | Fiber |
|---|---|---|
| 1 cup | 125g | 4g |
| 100 grams | 100g | 3.2g |
How green beans compare with other vegetables
Green beans rank 1 of 13 vegetables in this library, by fiber in one serving.
- Green beans4g
- Potato3.8g
- Sweet potato3.8g
- Corn2.5g
- Broccoli2.4g
Each bar is one serving: green beans, 1 cup, cooked; potato, 1 medium potato, baked with skin; sweet potato, 1 medium sweet potato, baked; corn, 1 medium ear, cooked; broccoli, 1 cup, chopped.
One of the better vegetable sides
A cup of cooked green beans has 4 grams of fiber. That is more than a cup of raw broccoli (2.4) or a medium baked potato (3.8).
Next to a zero-fiber main
Chicken, salmon and beef all have 0 grams. A cup of green beans and a cup of cooked brown rice beside any of them makes the plate 7.2 grams.
More fiber alongside green beans
- Chickpeas: 12.5 grams in 1 cup, cooked
- Quinoa: 5.2 grams in 1 cup, cooked
- Lentils: 15.6 grams in 1 cup, cooked
Not sure what your daily number should be? The fiber calculator works it out from your age and sex.
Questions about fiber in green beans
- How much fiber is in green beans?
- Green beans have 4 grams of fiber in 1 cup, cooked, which weighs 125 grams. The number comes from USDA FoodData Central.
- Are green beans high in fiber?
- One serving, 1 cup, cooked, has 4 grams. That is 14% of the Daily Value, which the FDA's label rules call a good source of fiber. Green beans rank 1 of 13 vegetables in this library by fiber per serving.
- How much fiber is in 100 grams of green beans?
- 3.2 grams of fiber per 100 grams. The largest size USDA lists, 1 cup, weighs 125 grams and has 4 grams of fiber.
- How many cups of green beans would it take to reach 25 grams of fiber?
- About 6.3, at 4 grams each. Most people reach 25 grams by mixing several foods across the day.
Source: USDA FoodData Central, Beans, snap, green, cooked, boiled, drained, without salt, retrieved October 8, 2026. Label terms follow the FDA's 28 gram Daily Value for fiber.