Jack in the Box Regular Taco Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 taco (85g), 85g; per 100 g: 16.4g net carbs, 200 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 regular taco?
Jack in the Box Regular Taco — 1 taco (85g), 85g — has 13.9g net carbs: 15g total carbs minus 1g fiber, plus 6g protein, 9g fat, and 170 calories. Per 100g that is 16.4g net carbs (17.6g total carbs, 1.2g fiber) and 200 calories. That makes jack in the box regular taco moderate in net carbs and lower than the typical fast-food item, which averages about 26.2g net carbs per 100g. At this carb count, jack in the box regular 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 regular taco keto-friendly?
Jack in the Box Regular Taco is borderline for keto — it works only in small portions. 1 taco (85g), 85g is 13.9g net carbs (15g total carbs − 1g fiber); per 100g that is 16.4g 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 regular taco?
Jack in the Box Regular 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 taco (85g) | 13.9g | 15g | 6g | 170 |
| 100 g (3.5 oz) | 16.4g | 17.6g | 7.1g | 200 |
| 1 oz (28 g) | 4.6g | 4.9g | 2g | 56 |
How many calories are in jack in the box regular taco?
Jack in the Box Regular Taco — 1 taco (85g), 85g — has 170 calories, with 6g protein, 9g fat, and 13.9g net carbs. Per 100g: 200 calories and 16.4g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 200 |
| Total carbs | 17.6g |
| Net carbs | 16.4g |
| Fiber | 1.2g |
| Sugar | 1.2g |
| Sugar alcohols | 0g |
| Protein | 7.1g |
| Fat | 10.6g |
| Sodium | 353mg |
| Potassium | 118mg |
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 regular taco?
- Jack in the Box Regular Taco (1 taco (85g), 85g) has 15g of total carbs and 13.9g of net carbs. Per 100 grams: 17.6g total, 16.4g net.
- How many net carbs are in jack in the box regular taco?
- Jack in the Box Regular Taco has 13.9g of net carbs per 1 taco (85g), 85g — 15g total carbs minus 1g fiber.
- Is jack in the box regular taco keto-friendly?
- Jack in the Box Regular Taco is borderline for keto — it works only in small portions. 1 taco (85g), 85g is 13.9g net carbs (15g total carbs − 1g fiber); per 100g that is 16.4g 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 regular taco?
- Jack in the Box Regular Taco (1 taco (85g), 85g) has 170 calories; that is 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.