Lettuce Calories & Carbs
Keto-friendlyLast updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 cup shredded (36g); per 100 g: 0g net carbs, 14 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in lettuce?
Lettuce — 1 cup shredded (36g) — has 0g net carbs: 0.4g total carbs minus 0.6g fiber, plus 0.4g protein, 0.2g fat, and 5 calories. Per 100g that is 0g net carbs (1g total carbs, 1.8g fiber) and 14 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 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
Is lettuce keto-friendly?
Yes — lettuce is keto-friendly. 1 cup shredded (36g) is 0g net carbs (0.4g total carbs − 0.6g fiber); per 100g that is 0g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other vegetables and meals.
Tracking lettuce on keto?
Snap a photo and CarbMeNot logs the 0g net carbs in 1 cup shredded of lettuce — and everything else you eat — automatically. No database searching, no guessing.
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 — 1 cup shredded (36g) — has 5 calories, with 0.4g protein, 0.2g fat, and 0g net carbs. Per 100g: 14 calories and 0g net carbs.
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.
Log lettuce 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 lettuce?
- Lettuce (1 cup shredded, 36g) has 0.4g of total carbs and 0g of net carbs. Per 100 grams: 1g total, 0g net.
- How many net carbs are in lettuce?
- Lettuce has 0g of net carbs per 1 cup shredded (36g) — 0.4g total carbs minus 0.6g fiber.
- Is lettuce keto-friendly?
- Yes — lettuce is keto-friendly. 1 cup shredded (36g) is 0g net carbs (0.4g total carbs − 0.6g fiber); per 100g that is 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 (1 cup shredded, 36g) has 5 calories; that is 14 calories per 100 grams.
Similar foods
CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.