Carbs in Beef Fajita

How many carbs are in beef fajita?

Beef Fajita has 16.5g net carbs per 100g — 18g total carbs minus 1.5g fiber — plus 12.1g protein, 12.2g fat, and 231 calories. That makes beef fajita moderate in net carbs and higher than the typical protein food, which averages about 9.2g net carbs per 100g. At this carb count, beef fajita 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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Beef Fajita runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.

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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

Beef Fajita
16.5g
Net carbs
18g
Total carbs
1.5g
Fiber
12.1g
Protein
12.2g
Fat
231
Calories

Values per 100 g.

Is beef fajita keto-friendly?

Limit it

Beef Fajita is borderline for keto — it works only in small portions. It has 16.5g net carbs per 100g (18g total carbs − 1.5g 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

ServingNet carbsTotal carbsCalories
100 g (3.5 oz)16.5g18g231
1 oz (28 g)4.6g5g65

How many calories are in beef fajita?

Beef Fajita has 231 calories per 100g. That's alongside 12.1g protein, 12.2g fat, and 16.5g net carbs per 100g.

Nutrition facts

NutrientAmount (per 100 g)
Calories231
Total carbs18g
Net carbs16.5g
Fiber1.5g
Sugar2.4g
Sugar alcohols0g
Protein12.1g
Fat12.2g
Sodium459mg
Potassium193mg

Source: USDA FoodData Central (Survey (FNDDS)). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in beef fajita?
Beef Fajita has 18g of total carbs and 16.5g of net carbs per 100 grams.
How many net carbs are in beef fajita?
Beef Fajita has 16.5g of net carbs per 100 grams (total carbs 18g minus 1.5g fiber).
Is beef fajita keto-friendly?
Beef Fajita is borderline for keto — it works only in small portions. It has 16.5g net carbs per 100g (18g total carbs − 1.5g 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 beef fajita?
Beef Fajita has 231 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.