How Many Calories Are in a Costco Baguette? Your Complete Nutritional Guide

November 4, 2025 •

4 min read

According to nutritional data, a single two-ounce serving (approximately two slices) of a Kirkland Signature baguette from Costco contains about 150 calories. This guide explores the total calories in a full baguette, its key nutritional components, and how to enjoy it while maintaining your dietary goals.

Quick Summary

A Kirkland Signature baguette from Costco contains approximately 150 calories per two-ounce serving. The total calorie count for a full baguette can exceed 1000 calories due to its large size. Understanding the serving size and overall nutritional profile is crucial for managing your intake.

Key Points

Serving Size: A standard two-ounce serving of a Costco baguette contains approximately 150 calories.
Total Baguette Calories: A full Costco baguette can easily contain over 1000 calories due to its large size, so portion control is crucial.
Carbohydrate Content: The majority of the baguette's calories come from carbohydrates, with about 31 grams per two-ounce serving.
Low Fat: The baguette has a low fat content, typically listed as 0 grams per standard serving.
High Sodium: Be mindful of the sodium, which can be high in each serving, around 360-370mg.
Pairing for Health: To make it healthier, pair it with low-calorie, high-protein, or high-fiber toppings instead of butter.
Take-and-Bake Nutrition: The calories in take-and-bake baguettes are comparable to the freshly baked ones, as baking only removes moisture.

Demystifying the Costco Baguette’s Calorie Count

Costco is known for its large-format products, and the bakery's baguette is no exception. While its crusty exterior and soft interior are irresistible, understanding its nutritional impact requires looking beyond the single-serving numbers. The total number of calories in a Costco baguette is much higher than a standard portion might suggest, making portion control key for any dietary plan.

The Calories by Serving

Official Costco and nutritional tracker data provide clear figures for a standard portion. A two-ounce serving, which is roughly two slices, contains 150 calories. This caloric content is primarily derived from carbohydrates, with minimal fat. The Kirkland Signature baguette is made from simple ingredients—wheat flour, natural starter, buckwheat flour, and sea salt—which accounts for its high-carb profile.

Total Calories in a Full Costco Baguette

Calculating the total calories for a whole baguette is less straightforward because the sizes can vary. However, based on the per-serving data, an educated estimate is possible. A full French baguette can weigh anywhere from 250 to 500 grams, with some sources estimating a whole baguette can contain close to 1000 calories or more. Given the generous size of Costco's bakery products, it's reasonable to assume the total calorie count for one of their baguettes is significant. If a 150-calorie serving is two ounces (56.7 grams), a baguette weighing 1.2 pounds (approximately 544 grams) could contain over 1400 calories in total.

Nutritional Breakdown of a Costco Baguette

Beyond just calories, the baguette offers other nutritional components. Here is a typical breakdown per standard 2-ounce serving based on reported nutritional information:

Carbohydrates: Roughly 31 grams, with about 28 grams being net carbs.
Protein: Approximately 5 grams.
Fat: Minimal, often listed as 0 grams per serving.
Sodium: Can be a consideration, with a standard serving containing 360-370mg.
Fiber: Low, typically around 0.5 to 1 gram.

How Costco's Baguette Compares to Other Breads

To put the Kirkland Signature baguette in perspective, here is a comparison with other common bread types per standard serving size (approx. 2 oz):


Bread Type	Calories (approx.)	Carbohydrates (approx.)	Fiber (approx.)	Fat (approx.)
Costco Baguette	150	31g	1g	0g
White Sliced Bread	150	28g	1g	2g
Whole Wheat Bread	130	24g	4g	2g
Sourdough Bread	160	30g	2g	1g
Ciabatta	180	35g	1g	1g

This comparison highlights that the Costco baguette is comparable in calories and carbs to other enriched or white breads. However, it is lower in fiber than whole wheat options, which can affect feelings of fullness.

Making Smart Choices with Your Costco Baguette

Enjoying a Costco baguette doesn't have to derail your diet. It's all about making conscious choices.

Portion Control is Paramount: A single two-ounce serving is a reasonable portion. Cutting the baguette into small, managed sections right away can help prevent overeating. Pair with Nutritious Toppings: Instead of butter, which adds significant calories and saturated fat, consider pairing your baguette with healthier options like:

Smashed avocado for healthy fats and fiber.
A thin layer of hummus for added protein.
Sliced tomatoes and a drizzle of olive oil for vitamins and healthy fats.
Lean protein like smoked salmon or chicken breast. Make it a Meal: Use the baguette as a component of a larger, balanced meal with plenty of vegetables and lean protein. For example, serve a slice of baguette alongside a large salad or bowl of soup to add texture and flavor without making it the main event.

The Take-and-Bake Factor

Costco also offers take-and-bake baguettes, which may have slightly different nutritional profiles due to variations in processing. However, the raw ingredient profile is likely similar, meaning the baked product will have a very similar calorie count to the in-store bakery version. The act of baking itself primarily removes moisture and does not significantly alter the total calorie content.

The Final Bite: The Full Picture on Calories

When considering how many calories are in a Costco baguette, it's essential to think in terms of realistic portion sizes rather than the formidable total of the entire loaf. While the overall calorie count of a full baguette is high, a single, modest serving fits well within a balanced diet. The key is mindful consumption and pairing it with healthy, low-calorie accompaniments. For specific, up-to-date nutritional information, it's always best to check the product label directly at your local Costco, as recipes and sizing can change over time.

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Conclusion

For those wondering how many calories are in a Costco baguette, a single two-ounce serving contains about 150 calories, primarily from carbohydrates. The total calorie count for an entire loaf can be substantial, potentially exceeding 1000 calories, emphasizing the importance of portion control. By understanding the nutritional breakdown and incorporating the baguette wisely into meals with healthier pairings, it can be enjoyed as a treat without sacrificing dietary goals. The simple ingredients make it a classic choice, but its dense calorie profile requires a mindful approach to eating.

Frequently Asked Questions

A full-sized Costco baguette can contain over 1000 calories, depending on its exact weight. The high total comes from its dense carbohydrate content and generous loaf size.

The standard serving size for a Kirkland Signature baguette is two ounces (approximately two slices), which contains about 150 calories.

No, toasting a baguette does not change its calorie count. Toasting only removes moisture; the calories remain nearly identical.

Yes, the Costco baguette is relatively high in carbohydrates. A standard two-ounce serving provides approximately 31 grams of carbohydrates.

Whether it's healthy depends on portion size and what you eat it with. While it provides energy from carbs, it is low in fiber. For a balanced meal, it should be paired with healthier toppings and other nutritious foods.

According to the product information, the primary ingredients in a Kirkland Signature baguette are wheat flour, natural starter, buckwheat flour, and sea salt.

To reduce calories, practice portion control by limiting yourself to a small portion, and choose low-calorie toppings like hummus or avocado instead of high-fat butter.