Carbs in Green Onion
Keto-friendlyGreen Onion (per 100 g) contains 5.7g total carbs, 3.9g net carbs, 0.5g fat, 1g protein, and 27 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
3.9g
Net carbs
5.7g
Total carbs
1.8g
Fiber
1g
Protein
0.5g
Fat
27
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 3.9g | 5.7g | 1g | 27 |
| 1 oz (28 g) | 1.1g | 1.6g | 0.3g | 8 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 27 |
| Total carbs | 5.7g |
| Net carbs | 3.9g |
| Fiber | 1.8g |
| Sugar | 3.9g |
| Sugar alcohols | 0g |
| Protein | 1g |
| Fat | 0.5g |
| Sodium | 15mg |
| Potassium | 159mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in green onion?
- Green Onion has 5.7g of total carbs and 3.9g of net carbs per 100 grams.
- How many net carbs are in green onion?
- Green Onion has 3.9g of net carbs per 100 grams (total carbs 5.7g minus 1.8g fiber).
- Is green onion keto-friendly?
- Yes — with 3.9g net carbs per 100g, green onion fits a ketogenic diet in normal portions.
- How many calories are in green onion?
- Green Onion has 27 calories per 100 grams.
