Carbs in Hot Dog Bun

How many carbs are in hot dog bun?

Hot Dog Bun has 48.9g net carbs per 100g — 51.2g total carbs minus 2.3g fiber — plus 9.3g protein, 4.7g fat, and 279 calories. 1 bun (43g) works out to about 21g net carbs and 120 calories. That makes hot dog bun high in net carbs and higher than the typical fast-food item, which averages about 27.6g net carbs per 100g. At this carb count, hot dog bun is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.

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

Hot Dog Bun
48.9g
Net carbs
51.2g
Total carbs
2.3g
Fiber
9.3g
Protein
4.7g
Fat
279
Calories

Values per 100 g.

Carbs by serving size

ServingNet carbsTotal carbsCalories
1 bun21g22g120
100 g (3.5 oz)48.9g51.2g279
1 oz (28 g)13.7g14.3g78

How many calories are in hot dog bun?

Hot Dog Bun has 279 calories per 100g. 1 bun (43g) has about 120 calories. That's alongside 9.3g protein, 4.7g fat, and 48.9g net carbs per 100g.

Nutrition facts

NutrientAmount (per 100 g)
Calories279
Total carbs51.2g
Net carbs48.9g
Fiber2.3g
Sugar7g
Sugar alcohols0g
Protein9.3g
Fat4.7g
Sodium512mg
Potassium93mg

Source: Manufacturer-reported values (bread-grains). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in hot dog bun?
Hot Dog Bun has 51.2g of total carbs and 48.9g of net carbs per 100 grams.
How many net carbs are in hot dog bun?
Hot Dog Bun has 48.9g of net carbs per 100 grams (total carbs 51.2g minus 2.3g fiber).
Is hot dog bun keto-friendly?
Hot Dog Bun has 48.9g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
How many calories are in hot dog bun?
Hot Dog Bun has 279 calories per 100 grams.
How many carbs are in 1 bun of hot dog bun?
1 bun of hot dog bun (43g) has about 21g net carbs, 22g total carbs, and 120 calories.

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