Carbs in Lettuce
Keto-friendlyHow many carbs are in lettuce?
Lettuce has 0g net carbs per 100g — 1g total carbs minus 1.8g fiber — plus 1.1g protein, 0.5g fat, and 14 calories. 1 cup shredded (36g) works out to about 0g net carbs and 5 calories. That makes lettuce very low in net carbs and lower than the typical vegetable, which averages about 17.9g net carbs per 100g. With this carb count, lettuce 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 Open Food Facts; net carbs are computed by CarbMeNot.
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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is lettuce keto-friendly?
Yes — lettuce is keto-friendly. It has 0g net carbs per 100g (1g total carbs − 1.8g fiber). A typical serving — 1 cup shredded (36g) — is about 0g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other vegetables and meals.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 cup shredded | 0g | 0.4g | 0.4g | 5 |
| 100 g (3.5 oz) | 0g | 1g | 1.1g | 14 |
| 1 oz (28 g) | 0g | 0.3g | 0.3g | 4 |
How many calories are in lettuce?
Lettuce has 14 calories per 100g. 1 cup shredded (36g) has about 5 calories. That's alongside 1.1g protein, 0.5g fat, and 0g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 14 |
| Total carbs | 1g |
| Net carbs | 0g |
| Fiber | 1.8g |
| Sugar | 0.6g |
| Sugar alcohols | 0g |
| Protein | 1.1g |
| Fat | 0.5g |
| Sodium | 23mg |
| Potassium | 0mg |
Source: Open Food Facts (Generic). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in lettuce?
- Lettuce has 1g of total carbs and 0g of net carbs per 100 grams.
- How many net carbs are in lettuce?
- Lettuce has 0g of net carbs per 100 grams (total carbs 1g minus 1.8g fiber).
- Is lettuce keto-friendly?
- Yes — lettuce is keto-friendly. It has 0g net carbs per 100g (1g total carbs − 1.8g fiber). A typical serving — 1 cup shredded (36g) — is about 0g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other vegetables and meals.
- How many calories are in lettuce?
- Lettuce has 14 calories per 100 grams.
- How many carbs are in 1 cup shredded of lettuce?
- 1 cup shredded of lettuce (36g) has about 0g net carbs, 0.4g total carbs, and 5 calories.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.