Carbs in Cucumbers
Keto-friendlyCucumbers (per 100 g) contains 3.2g total carbs, 2.7g net carbs, 0.2g fat, 0.5g protein, and 13 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

2.7g
Net carbs
3.2g
Total carbs
0.5g
Fiber
0.5g
Protein
0.2g
Fat
13
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 cup sliced | 3.2g | 3.8g | 0.6g | 15 |
| 100 g (3.5 oz) | 2.7g | 3.2g | 0.5g | 13 |
| 1 oz (28 g) | 0.8g | 0.9g | 0.1g | 4 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 13 |
| Total carbs | 3.2g |
| Net carbs | 2.7g |
| Fiber | 0.5g |
| Sugar | 1.5g |
| Sugar alcohols | 0g |
| Protein | 0.5g |
| Fat | 0.2g |
| Sodium | 2mg |
| Potassium | 0mg |
Source: Open Food Facts (USDAHouston Food Bank). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in cucumbers?
- Cucumbers has 3.2g of total carbs and 2.7g of net carbs per 100 grams.
- How many net carbs are in cucumbers?
- Cucumbers has 2.7g of net carbs per 100 grams (total carbs 3.2g minus 0.5g fiber).
- Is cucumbers keto-friendly?
- Yes — with 2.7g net carbs per 100g, cucumbers fits a ketogenic diet in normal portions.
- How many calories are in cucumbers?
- Cucumbers has 13 calories per 100 grams.
- How many carbs are in 1 cup sliced of cucumbers?
- 1 cup sliced of cucumbers (119g) has about 3.2g net carbs, 3.8g total carbs, and 15 calories.



