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How many calories are in 155 grams of raw chicken breast?

3 min read

According to nutrition data, a 155-gram portion of raw, skinless chicken breast contains approximately 186 calories. This makes it an excellent source of lean protein for anyone focusing on fitness or weight management, as it is very low in fat and carbohydrates. Understanding the nutritional value of raw chicken is the first step toward accurately tracking your intake for your health goals.

Quick Summary

This article details the caloric content of 155 grams of raw chicken breast. It provides a complete nutritional breakdown, including protein and fat content. It also explains how cooking affects the caloric density of the meat due to moisture loss.

Key Points

  • 155g Raw Chicken Breast Calories: A 155-gram portion of raw, skinless chicken breast contains approximately 186 calories.

  • High Protein, Low Fat: This serving provides about 35 grams of protein and only 4 grams of fat, making it a very lean protein source.

  • Cooking Affects Density: Cooking causes moisture loss, concentrating the calories into a smaller final weight. The total calories, however, remain the same.

  • Weight Raw for Accuracy: To ensure the most accurate calorie tracking, it's best practice to weigh chicken in its raw state.

  • Rich in Nutrients: In addition to protein, chicken breast is a good source of essential vitamins and minerals like niacin, B6, and selenium.

  • Excellent for Fitness: Its high protein content supports muscle growth and helps increase satiety, aiding in weight management.

In This Article

The Caloric and Macronutrient Profile of 155g of Raw Chicken Breast

For those tracking their nutritional intake, precise data is crucial. A 155-gram serving of raw, boneless, and skinless chicken breast is a potent source of high-quality protein with a minimal fat content. The caloric value is relatively low, making it a staple for many diet plans.

Breaking Down the Macros

To better understand the nutritional impact of this food item, let's look at the specific macronutrients provided by a 155g portion of raw chicken breast:

  • Calories: 186 calories
  • Protein: 35 grams
  • Fat: 4 grams
  • Carbohydrates: 0 grams

This breakdown reveals that nearly 79% of the calories come from protein, with the remaining 21% from fat, confirming its status as a lean protein source.

The Impact of Cooking: Raw vs. Cooked Calories

An important distinction to make is the difference in nutritional values between raw and cooked chicken. The total calories of a piece of chicken do not change during cooking, but the moisture content does. This affects the weight and, consequently, the caloric density per gram of the final product. As chicken cooks, it loses water, which reduces its overall weight. A 100-gram portion of raw chicken breast, for instance, might become 75-80 grams after cooking. However, all the original calories and protein remain concentrated in the smaller piece of meat.

Example: If you start with a 155g raw chicken breast, it will have 186 calories. After cooking, it will weigh less, perhaps around 120-130g, but it will still contain the same 186 calories. Therefore, the cooked chicken will have a higher caloric density (more calories per gram) than its raw counterpart.

This is why many fitness professionals and nutritionists recommend weighing meat in its raw state for the most accurate calorie counting. You can learn more about food data and composition from reliable sources like the USDA National Nutrient Database.

Comparison Table: Raw vs. Cooked (Approximate) Nutritional Values

Nutrient 155g Raw Chicken Breast Approx. 125g Cooked Chicken Breast (from 155g raw) Notes
Calories 186 kcal 186 kcal Total calories remain the same.
Protein 35g 35g Protein content is unchanged.
Fat 4g 4g Fat content is unchanged.
Weight 155g ~125g (water loss) Cooked weight is lower due to moisture evaporation.

Versatility and Health Benefits

Beyond its low-calorie and high-protein content, raw chicken breast offers several other health benefits once cooked properly:

  • Rich in Micronutrients: It provides important nutrients like B vitamins (especially Niacin and Vitamin B6), phosphorus, and selenium.
  • Supports Muscle Growth: The high protein content is essential for muscle repair and growth, making it a favorite among athletes and bodybuilders.
  • Boosts Satiety: Protein helps you feel full longer, which can aid in weight loss and appetite control.
  • Easy to Incorporate: Its mild flavor and versatility make it a great addition to a wide range of recipes, from salads and stir-fries to grilled entrées.

Preparation and Cooking Tips

Cooking chicken breast properly ensures it is safe to eat and retains its flavor. Here are a few tips:

  1. Preparation: Pat the raw chicken breast dry with a paper towel before seasoning to help create a better crust and ensure even cooking.
  2. Avoid Overcooking: Chicken breast can become dry and tough if overcooked. A meat thermometer is your best friend; cook until it reaches an internal temperature of 165°F (74°C).
  3. Use Healthy Fats: When cooking on a stovetop, use a minimal amount of healthy oils like olive or avocado oil to keep the calorie count low while adding flavor.
  4. Cooking Methods: Options like grilling, baking, poaching, or air-frying are all great for maintaining the lean nature of the meat. Frying in excessive oil will, of course, add significant calories.

Conclusion

In summary, 155 grams of raw chicken breast is an excellent, low-calorie, high-protein food choice, containing approximately 186 calories, 35 grams of protein, and only 4 grams of fat. It provides a clean, nutrient-dense base for countless healthy meals. Remember to track your portion based on its raw weight to ensure the highest degree of accuracy in your dietary calculations, as cooking will reduce its mass but not its total calories. By understanding its nutritional profile and preparing it correctly, you can easily incorporate this versatile protein into a balanced diet to support your health and fitness goals.

USDA FoodData Central offers comprehensive nutritional information for thousands of food items, providing a reliable reference for your dietary research.

Frequently Asked Questions

No, cooking chicken breast does not add calories on its own. The apparent increase in calories per gram in cooked chicken is because it loses water, not because new calories are created. The total caloric content of the piece of meat stays the same, but is more concentrated due to the weight loss.

It is generally more accurate to weigh your chicken when it is raw. Raw weight provides a consistent baseline for calorie calculations, as the moisture loss during cooking can vary based on the method and duration.

A 155-gram portion of raw, skinless chicken breast contains approximately 35 grams of protein, making it an excellent source of this vital macronutrient.

Chicken breast is considered a lean protein because it has a very low fat-to-protein ratio. In 155 grams of raw chicken breast, the fat content is only 4 grams, while the protein is 35 grams.

The weight of a chicken breast can vary significantly, but a typical store-bought boneless, skinless breast often ranges from 150 to 200 grams or more.

No, raw chicken breast contains zero carbohydrates. It is a pure source of protein and fat, making it suitable for low-carb and ketogenic diets.

No, you should never eat raw or undercooked chicken breast. Raw chicken can contain harmful bacteria like salmonella and campylobacter, which can cause food poisoning. Always cook chicken thoroughly to an internal temperature of 165°F (74°C) to ensure it is safe to eat.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.