Carbs in Jack In The Box Tacos
How many carbs are in jack in the box tacos?
Jack In The Box Tacos has 21.5g net carbs per 100g — 27g total carbs minus 5.5g fiber — plus 5.8g protein, 6.4g fat, and 200 calories. That makes jack in the box tacos high in net carbs and about average for the typical fast-food item, which averages about 26.5g net carbs per 100g. At this carb count, jack in the box tacos is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

Values per 100 g.
Is jack in the box tacos keto-friendly?
Jack In The Box Tacos is generally not keto-friendly. It has 21.5g net carbs per 100g (27g total carbs − 5.5g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 21.5g | 27g | 5.8g | 200 |
| 1 oz (28 g) | 6g | 7.6g | 1.6g | 56 |
How many calories are in jack in the box tacos?
Jack In The Box Tacos has 200 calories per 100g. That's alongside 5.8g protein, 6.4g fat, and 21.5g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 200 |
| Total carbs | 27g |
| Net carbs | 21.5g |
| Fiber | 5.5g |
| Sugar | 7.5g |
| Sugar alcohols | 0g |
| Protein | 5.8g |
| Fat | 6.4g |
| Sodium | 520mg |
| 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 jack in the box tacos?
- Jack In The Box Tacos has 27g of total carbs and 21.5g of net carbs per 100 grams.
- How many net carbs are in jack in the box tacos?
- Jack In The Box Tacos has 21.5g of net carbs per 100 grams (total carbs 27g minus 5.5g fiber).
- Is jack in the box tacos keto-friendly?
- Jack In The Box Tacos is generally not keto-friendly. It has 21.5g net carbs per 100g (27g total carbs − 5.5g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in jack in the box tacos?
- Jack In The Box Tacos has 200 calories per 100 grams.
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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.