Green Onions (Scallions)
Vegetable

How much fiber is in green onions (scallions)?

Green Onions (Scallions) has 0.6 g of fiber per 1/4 cup chopped (25 g). That is 2% of the daily value and a low amount for a vegetable.

0.6g
per 1/4 cup chopped
2.4g
per 100 g
2%
daily value
#56of 60
vegetables

Soluble vs insoluble

Soluble 0.2g 33% Insoluble 0.4g 67%

The split is approximate and comes from USDA SR Legacy analyses where available. Soluble fiber dissolves into a gel and is the type most linked to cholesterol and blood sugar effects. Insoluble fiber adds bulk and keeps things moving.

About green onions (scallions) and fiber

A quarter cup of chopped scallions provides 0.6 grams of fiber. The green tops are low FODMAP while the white bulbs are not, which matters for people on that plan.

Counts toward plant diversityHigh FODMAP at this serving

How green onions (scallions) compares to other vegetables

Per typical serving. The highest vegetable in the database is artichoke at 6.9 g.

FoodServingFiberPer 100 g% DV
Radishes1/2 cup sliced0.9 g1.6 g3%
Mushrooms1 cup sliced0.7 g1 g3%
Arugula2 cups0.6 g1.5 g2%
Green Onions (Scallions)1/4 cup chopped0.6 g2.4 g2%
Leek1/2 cup cooked0.5 g1 g2%
Wakame Seaweed2 tbsp dried0.5 g5 g2%
Dill Pickles1 spear0.4 g1.1 g1%

All 60 vegetables ranked by fiber

Servings to reach a daily goal

42×

servings of green onions (scallions) to reach 25 g, the adequate intake for adult women

64×

servings of green onions (scallions) to reach 38 g, the adequate intake for adult men

Nobody should get all their fiber from one food. Gut bacteria respond to variety, and the fiber calculator shows a mixed day that reaches your number.

USDA entries for green onions (scallions)

Grams of fiber per 100 g from USDA FoodData Central (snapshot 2026-10-11). Different preparations and varieties explain the spread.

USDA descriptionFiber / 100 gSolubleInsoluble
Green onion, (scallion), bulb and greens, root removed, raw2.3 g––
Onions, spring or scallions (includes tops and bulb), raw2.6 g––
Onions, young green, tops only1.8 g––

Frequently asked questions

How much fiber is in green onions (scallions)?
1/4 cup chopped of green onions (scallions), about 25 grams, contains 0.6 grams of dietary fiber. That is 2.4 grams of fiber per 100 grams and 2% of the 28 gram daily value.
Is green onions (scallions) high in fiber?
Not especially. Green Onions (Scallions) has 0.6 g per serving, which ranks 56 of 60 vegetables in the FiberUp database. It still counts toward plant diversity, but the fiber in a meal will come from elsewhere.
Is the fiber in green onions (scallions) soluble or insoluble?
About 33% of the fiber in green onions (scallions) is soluble (0.2 g) and 67% is insoluble (0.4 g). Soluble fiber forms a gel that slows digestion and feeds gut bacteria; insoluble fiber adds bulk and speeds transit.
How many servings of green onions (scallions) would reach a daily fiber goal?
It would take about 42 servings to reach 25 g (the adequate intake for adult women) and 64 servings to reach 38 g (adult men). Spreading fiber across several foods is easier and better for gut bacteria diversity.

Values are per typical serving from USDA FoodData Central and standard references, rounded to one decimal. Actual fiber varies with variety, ripeness, and preparation. This is general nutrition information, not medical advice.