Carbs in Butter Croissant Costco

How many carbs are in butter croissant costco?

Butter Croissant Costco has 40.6g net carbs per 100g — 40.6g total carbs minus 0g fiber — plus 9.7g protein, 26.1g fat, and 440 calories. That makes butter croissant costco high in net carbs and higher than the typical fast-food item, which averages about 26.5g net carbs per 100g. At this carb count, butter croissant costco 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.

Keeping an eye on carbs in butter croissant costco?

Butter Croissant Costco 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

Butter Croissant Costco
40.6g
Net carbs
40.6g
Total carbs
0g
Fiber
9.7g
Protein
26.1g
Fat
440
Calories

Values per 100 g.

Is butter croissant costco keto-friendly?

Not really

Butter Croissant Costco is generally not keto-friendly. It has 40.6g net carbs per 100g (40.6g total carbs − 0g 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)40.6g40.6g440
1 oz (28 g)11.4g11.4g123

How many calories are in butter croissant costco?

Butter Croissant Costco has 440 calories per 100g. That's alongside 9.7g protein, 26.1g fat, and 40.6g net carbs per 100g.

Nutrition facts

NutrientAmount (per 100 g)
Calories440
Total carbs40.6g
Net carbs40.6g
Fiber0g
Sugar6.1g
Sugar alcohols0g
Protein9.7g
Fat26.1g
Sodium348mg
Potassium0mg

Source: Open Food Facts (Taste the differenceSainsbury's). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in butter croissant costco?
Butter Croissant Costco has 40.6g of total carbs and 40.6g of net carbs per 100 grams.
How many net carbs are in butter croissant costco?
Butter Croissant Costco has 40.6g of net carbs per 100 grams (total carbs 40.6g minus 0g fiber).
Is butter croissant costco keto-friendly?
Butter Croissant Costco is generally not keto-friendly. It has 40.6g net carbs per 100g (40.6g total carbs − 0g 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 butter croissant costco?
Butter Croissant Costco has 440 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.