Carbs In › Vegetables

Carbs in Onions

6.1g net carbs per 1/2 cup chopped (80g)
Portion matters

Nutrition Facts

Nutrient Per 1/2 cup chopped (80g) Per 100g
Calories 32 kcal 40 kcal
Total carbs 7.4g 9.3g
Fiber 1.4g 1.7g
Net carbs 6.1g 7.6g
Sugars 3.4g 4.2g
Protein 0.9g 1.1g
Fat 0.1g 0.1g

Is Onions Keto?

A 1/2 cup chopped (80g) serving of onions has 6.1g net carbs (7.4g total carbs minus 1.4g fiber). Whether it fits your plan depends on your portion and the rest of your daily carbohydrate intake.

Per 100g, onions provides 7.6g net carbs, 0.1g fat, and 1.1g protein. Use the portion calculator below to compare equal weights and see what fits the food budget you choose.

Compare portions

Onions

7.6g net carbs in 100g

9.3g total carbs · 1.7g fiber · 1.1g protein · 40 kcal

About 65g uses your 5g net-carb budget.

Onions, raw

USDA source · Food guide

Strawberries

5.7g net carbs in 100g

7.7g total carbs · 2g fiber · 0.7g protein · 32 kcal

About 87g uses your 5g net-carb budget.

Strawberries, raw

USDA source · Food guide

Equal weights make comparisons fair. Values are estimates from USDA entries; preparation and brand can change nutrition. Raw and cooked weights are not interchangeable.

Nutrition data: USDA FoodData Central, Onions, raw (FDC ID 170000).