How much fiber is in onion?

Onion contains 1.9g of fiber per medium onion, which is 6% of the recommended daily intake of 30g.

Is onion high in fiber?

Onion is moderate fiber. It has more fiber per serving than 50% of all foods in the USDA database. You would need 16.0 servings to reach the daily 30g goal.

Does onion have soluble or insoluble fiber?

Onion contains 1.0g of soluble fiber and 0.7g of insoluble fiber per 100g. Soluble fiber feeds gut bacteria and helps lower cholesterol, while insoluble fiber aids digestion.

Home / Fiber in Onion

Fiber in Onion

1.9g of fiber per medium onion

1.7g per 100g

6% of daily 30g goal 30g

Moderate fiber

Is that a lot?

50%

More fiber per serving than 50% of all foods

#378

out of 536 vegetables and vegetable products

16.0

medium onions to hit 30g

Onion isn't a primary fiber source on its own — but it adds up when combined with high-fiber foods.

Soluble vs Insoluble Fiber

1.0g

0.7g

Soluble 1.0g — feeds gut bacteria, helps lower cholesterol

Insoluble 0.7g — aids digestion, adds bulk

Nutrition per 100g

Calories

1.1g

Protein

9.3g

Carbs

0.1g

Fat

Pair it with

Combine onion with these foods to hit your daily 30g fiber goal:

Onion 1.9g

Wheat bran, crude cup

24.8g

Passion-fruit, , raw cup

24.5g

Total: 51.2g 171% of daily goal

Full nutrition details Add to daily calculator All vegetables and vegetable products