Jack in the Box Taco Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 regular taco (75g), 75g; per 100 g: 22.6g net carbs, 253 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 jack in the box taco?
Jack in the Box Taco — 1 regular taco (75g), 75g — has 17g net carbs: 19g total carbs minus 2g fiber, plus 6g protein, 10g fat, and 190 calories. Per 100g that is 22.6g net carbs (25.3g total carbs, 2.7g fiber) and 253 calories. That makes jack in the box taco high in net carbs and about average for the typical fast-food item, which averages about 26.2g net carbs per 100g. At this carb count, jack in the box taco is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is jack in the box taco keto-friendly?
Jack in the Box Taco is generally not keto-friendly. 1 regular taco (75g), 75g is 17g net carbs (19g total carbs − 2g fiber); per 100g that is 22.6g net carbs. 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.
Keeping an eye on carbs in jack in the box taco?
Jack in the Box Taco runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 regular taco (75g) | 17g | 19g | 6g | 190 |
| 100 g (3.5 oz) | 22.6g | 25.3g | 8g | 253 |
| 1 oz (28 g) | 6.3g | 7.1g | 2.2g | 71 |
How many calories are in jack in the box taco?
Jack in the Box Taco — 1 regular taco (75g), 75g — has 190 calories, with 6g protein, 10g fat, and 17g net carbs. Per 100g: 253 calories and 22.6g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 253 |
| Total carbs | 25.3g |
| Net carbs | 22.6g |
| Fiber | 2.7g |
| Sugar | 1.3g |
| Sugar alcohols | 0g |
| Protein | 8g |
| Fat | 13.3g |
| Sodium | 453mg |
| Potassium | 147mg |
Source: Manufacturer-reported values (fast-food). 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 taco?
- Jack in the Box Taco (1 regular taco (75g), 75g) has 19g of total carbs and 17g of net carbs. Per 100 grams: 25.3g total, 22.6g net.
- How many net carbs are in jack in the box taco?
- Jack in the Box Taco has 17g of net carbs per 1 regular taco (75g), 75g — 19g total carbs minus 2g fiber.
- Is jack in the box taco keto-friendly?
- Jack in the Box Taco is generally not keto-friendly. 1 regular taco (75g), 75g is 17g net carbs (19g total carbs − 2g fiber); per 100g that is 22.6g net carbs. 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 taco?
- Jack in the Box Taco (1 regular taco (75g), 75g) has 190 calories; that is 253 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.