Carbs in Cucumber (Medium, Whole)
Keto-friendlyHow many carbs are in cucumber (medium, whole)?
Cucumber (Medium, Whole) has 3g net carbs per 100g — 3.7g total carbs minus 0.7g fiber — plus 0.7g protein, 0g fat, and 15 calories. 1 medium cucumber (300g) works out to about 9g net carbs and 45 calories. That makes cucumber (medium, whole) relatively low in net carbs and lower than the typical vegetable, which averages about 19.0g net carbs per 100g. With this carb count, cucumber (medium, whole) fits a keto or low-carb diet (usually 20–50g net carbs per day) in normal portions. Values are per per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Tracking cucumber (medium, whole) on keto?
Snap a photo and CarbMeNot logs the 3g net carbs in cucumber (medium, whole) — and everything else you eat — automatically. No database searching, no guessing.
Free · no signup · ★ 4.7Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 medium cucumber | 9g | 11.1g | 2.1g | 45 |
| 100 g (3.5 oz) | 3g | 3.7g | 0.7g | 15 |
| 1 oz (28 g) | 0.8g | 1g | 0.2g | 4 |
How many calories are in cucumber (medium, whole)?
Cucumber (Medium, Whole) has 15 calories per 100g. 1 medium cucumber (300g) has about 45 calories. That's alongside 0.7g protein, 0g fat, and 3g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 15 |
| Total carbs | 3.7g |
| Net carbs | 3g |
| Fiber | 0.7g |
| Sugar | 1.7g |
| Sugar alcohols | 0g |
| Protein | 0.7g |
| Fat | 0g |
| Sodium | 2mg |
| Potassium | 147mg |
Source: Manufacturer-reported values (vegetables). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
Log cucumber (medium, whole) in one tap
Snap a photo and CarbMeNot's AI logs the carbs, protein, and fat automatically.
Frequently asked questions
- How many carbs are in cucumber (medium, whole)?
- Cucumber (Medium, Whole) has 3.7g of total carbs and 3g of net carbs per 100 grams.
- How many net carbs are in cucumber (medium, whole)?
- Cucumber (Medium, Whole) has 3g of net carbs per 100 grams (total carbs 3.7g minus 0.7g fiber).
- Is cucumber (medium, whole) keto-friendly?
- Yes — with 3g net carbs per 100g, cucumber (medium, whole) fits a ketogenic diet in normal portions.
- How many calories are in cucumber (medium, whole)?
- Cucumber (Medium, Whole) has 15 calories per 100 grams.
- How many carbs are in 1 medium cucumber?
- 1 medium cucumber (300g) has about 9g net carbs, 11.1g total carbs, and 45 calories.
