How many carbs are in a tomato?
A tomato (1 medium whole) has 4.8 g of total carbs and 1.5 g of fiber, which is 3.3 g of net carbs. Per 100 g: 3.9 g carbs, 2.7 g net carbs.
Carbs & keto check
Is tomato keto? Carbs in a tomato
Keto-friendly
Yes. Tomato is keto-friendly: 3.3 g net carbs per serving (1 medium whole) and 2.7 g per 100 g.
Net carbs · 1 medium whole3.3 g
Net carbs · 100 g2.7 g
Total carbs4.8 g
Fiber1.5 g
Calories22
Protein1.1 g
741 g of tomato = a whole 20 g net carb day
Nutrition
Carbs in a tomato by serving
Net carbs = total carbs − fiber. Values from the Keto.app food database.
| Serving | Net carbs | Carbs | Fiber | kcal | Protein | Fat |
|---|---|---|---|---|---|---|
| 1 small whole (91 g) | 2.5 g | 3.6 g | 1.1 g | 16 | 0.8 g | 0.2 g |
| 1 medium whole (123 g) | 3.3 g | 4.8 g | 1.5 g | 22 | 1.1 g | 0.2 g |
| 1 large whole (182 g) | 5 g | 7.1 g | 2.2 g | 33 | 1.6 g | 0.4 g |
| 1 cherry (17 g) | 0.5 g | 0.7 g | 0.2 g | 3 | 0.1 g | 0 g |
| 1 cup, chopped or sliced (180 g) | 4.9 g | 7.1 g | 2.2 g | 32 | 1.6 g | 0.4 g |
| 1 cup, cherry (149 g) | 4.1 g | 5.8 g | 1.8 g | 27 | 1.3 g | 0.3 g |
| 1 thick/large slice (27 g) | 0.7 g | 1.1 g | 0.3 g | 5 | 0.2 g | 0.1 g |
| 1 medium slice (20 g) | 0.5 g | 0.8 g | 0.2 g | 4 | 0.2 g | 0 g |
From Keto.app data
What keto dieters actually log
Tomatoes has been added to Keto.app food diaries 278,696 times over about 10 years.
Most-logged results for “tomato”
- Tomatoes278,696
- Cherry Tomatoes200,555
- Grape Tomatoes52,065
- Roma Tomatoes82,832
- Guacamole with Tomatoes16,508
Times logged by Keto.app users, over about 10 years.
FAQ
Tomato on keto
Is tomato keto friendly?
Yes. Tomato is keto-friendly: 3.3 g net carbs per serving (1 medium whole) and 2.7 g per 100 g.
How much tomato can I eat on keto?
On a strict 20 g net carb day, 741 g of tomato would use your entire carb budget. Most people on keto keep it to normal portions.
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