Carbs in Romaine Lettuce Hearts
Keto-friendlyHow many carbs are in romaine lettuce hearts?
Romaine Lettuce Hearts has 1g net carbs per 100g — 2.9g total carbs minus 1.9g fiber — plus 1.2g protein, 0.2g fat, and 16 calories. 1.5 cups shredded (85g) works out to about 0.9g net carbs and 14 calories. That makes romaine lettuce hearts very low in net carbs and lower than the typical vegetable, which averages about 18.4g net carbs per 100g. With this carb count, romaine lettuce hearts 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.
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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is romaine lettuce hearts keto-friendly?
Yes — romaine lettuce hearts is keto-friendly. It has 1g net carbs per 100g (2.9g total carbs − 1.9g fiber). A typical serving — 1.5 cups shredded (85g) — is about 0.9g 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 |
|---|---|---|---|---|
| 1.5 cups shredded | 0.9g | 2.5g | 1g | 14 |
| 100 g (3.5 oz) | 1g | 2.9g | 1.2g | 16 |
| 1 oz (28 g) | 0.3g | 0.8g | 0.3g | 4 |
How many calories are in romaine lettuce hearts?
Romaine Lettuce Hearts has 16 calories per 100g. 1.5 cups shredded (85g) has about 14 calories. That's alongside 1.2g protein, 0.2g fat, and 1g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 16 |
| Total carbs | 2.9g |
| Net carbs | 1g |
| Fiber | 1.9g |
| Sugar | 1.3g |
| Sugar alcohols | 0g |
| Protein | 1.2g |
| Fat | 0.2g |
| Sodium | 8mg |
| Potassium | 291mg |
Source: Manufacturer-reported values (vegetables). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in romaine lettuce hearts?
- Romaine Lettuce Hearts has 2.9g of total carbs and 1g of net carbs per 100 grams.
- How many net carbs are in romaine lettuce hearts?
- Romaine Lettuce Hearts has 1g of net carbs per 100 grams (total carbs 2.9g minus 1.9g fiber).
- Is romaine lettuce hearts keto-friendly?
- Yes — romaine lettuce hearts is keto-friendly. It has 1g net carbs per 100g (2.9g total carbs − 1.9g fiber). A typical serving — 1.5 cups shredded (85g) — is about 0.9g 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 romaine lettuce hearts?
- Romaine Lettuce Hearts has 16 calories per 100 grams.
- How many carbs are in 1.5 cups shredded of romaine lettuce hearts?
- 1.5 cups shredded of romaine lettuce hearts (85g) has about 0.9g net carbs, 2.5g total carbs, and 14 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.