Carbs in Tomato Juice
How many carbs are in tomato juice?
Tomato Juice has 3.8g net carbs per 100g — 4.6g total carbs minus 0.8g fiber — plus 0.6g protein, 0.1g fat, and 22 calories. 1 can (12 fl oz) works out to about 13.5g net carbs and 78 calories. That makes tomato juice relatively low in net carbs and lower than the typical drink, which averages about 21.1g net carbs per 100g. At this carb count, tomato juice is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.
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Tomato Juice runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is tomato juice keto-friendly?
Yes, tomato juice can fit a keto diet in moderate portions. It has 3.8g net carbs per 100g (4.6g total carbs − 0.8g fiber). A typical serving — 1 can (12 fl oz) — is about 13.5g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other drinks and meals.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 can (12 fl oz) | 13.5g | 16.3g | 2.1g | 78 |
| 100 g (3.5 oz) | 3.8g | 4.6g | 0.6g | 22 |
| 1 oz (28 g) | 1.1g | 1.3g | 0.2g | 6 |
How many calories are in tomato juice?
Tomato Juice has 22 calories per 100g. 1 can (12 fl oz) has about 78 calories. That's alongside 0.6g protein, 0.1g fat, and 3.8g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 22 |
| Total carbs | 4.6g |
| Net carbs | 3.8g |
| Fiber | 0.8g |
| Sugar | 3.3g |
| Sugar alcohols | 0g |
| Protein | 0.6g |
| Fat | 0.1g |
| Sodium | 58mg |
| Potassium | 193mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in tomato juice?
- Tomato Juice has 4.6g of total carbs and 3.8g of net carbs per 100 grams.
- How many net carbs are in tomato juice?
- Tomato Juice has 3.8g of net carbs per 100 grams (total carbs 4.6g minus 0.8g fiber).
- Is tomato juice keto-friendly?
- Yes, tomato juice can fit a keto diet in moderate portions. It has 3.8g net carbs per 100g (4.6g total carbs − 0.8g fiber). A typical serving — 1 can (12 fl oz) — is about 13.5g net carbs. On a standard keto diet (20–50g net carbs per day), that leaves plenty of room for other drinks and meals.
- How many calories are in tomato juice?
- Tomato Juice has 22 calories per 100 grams.
- How many carbs are in 1 can (12 fl oz) of tomato juice?
- 1 can (12 fl oz) of tomato juice (355g) has about 13.5g net carbs, 16.3g total carbs, and 78 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.