Carbs in Burger Bun

How many carbs are in burger bun?

Burger Bun has 38.7g net carbs per 100g — 44.2g total carbs minus 5.5g fiber — plus 7.9g protein, 5.7g fat, and 270 calories. That makes burger bun high in net carbs and about average for the typical breads and grain, which averages about 45.2g net carbs per 100g. At this carb count, burger bun 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.

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

Burger Bun
38.7g
Net carbs
44.2g
Total carbs
5.5g
Fiber
7.9g
Protein
5.7g
Fat
270
Calories

Values per 100 g.

Is burger bun keto-friendly?

Not really

Burger Bun is generally not keto-friendly. It has 38.7g net carbs per 100g (44.2g 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

ServingNet carbsTotal carbsCalories
100 g (3.5 oz)38.7g44.2g270
1 oz (28 g)10.8g12.4g76

How many calories are in burger bun?

Burger Bun has 270 calories per 100g. That's alongside 7.9g protein, 5.7g fat, and 38.7g net carbs per 100g.

Nutrition facts

NutrientAmount (per 100 g)
Calories270
Total carbs44.2g
Net carbs38.7g
Fiber5.5g
Sugar5.1g
Sugar alcohols0g
Protein7.9g
Fat5.7g
Sodium319mg
Potassium0mg

Source: Open Food Facts (Tesco). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in burger bun?
Burger Bun has 44.2g of total carbs and 38.7g of net carbs per 100 grams.
How many net carbs are in burger bun?
Burger Bun has 38.7g of net carbs per 100 grams (total carbs 44.2g minus 5.5g fiber).
Is burger bun keto-friendly?
Burger Bun is generally not keto-friendly. It has 38.7g net carbs per 100g (44.2g 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 burger bun?
Burger Bun has 270 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.