Chicken Breast Nutrition Facts: Calories, Protein, Carbs & Macros

Nutrition Facts & Macros

Serving size

Amount Per Serving

Calories 165

Calories from Fat 32

% Daily Value*

Total Fat 3.6g5%

Total Carbohydrate 0g0%

Dietary Fiber 0g0%

Sugars 0g0%

Protein 31g62%

Sodium 74mg3%

* Percent Daily Values are based on a 2,000 calorie diet.
Calories per gram: Fat 9 · Carbohydrate 4 · Protein 4

Macronutrient Profile

Protein 31g

Carbs 0g

Fat 3.6g

Source: USDA FoodData Central.

100 g

165 kcal 31g protein 0g carbs 3.6g fat

1 oz (28 g)

46 kcal 8.7g protein 0g carbs 1g fat

1 cooked breast (172 g)

284 kcal 53.3g protein 0g carbs 6.2g fat

1 cup chopped (140 g)

231 kcal 43.4g protein 0g carbs 5g fat

Chicken Breast FAQ

Is chicken breast good for weight loss?

Yes — chicken breast is one of the best foods for weight loss. With only 165 calories and 31 g of protein per 100 g, it keeps you full for hours. Its high thermic effect means your body burns more calories digesting it.

Is chicken breast high in protein?

Absolutely. Chicken breast contains 31 g of protein per 100 g, making it one of the highest-protein whole foods available. It delivers complete protein with all essential amino acids needed for muscle repair and growth.

How many calories are in chicken breast?

A 100 g serving of cooked skinless chicken breast contains about 165 calories. A typical medium breast (170 g) has roughly 280 calories.

Is chicken breast good for building muscle?

Yes. Chicken breast is the go-to muscle-building food. Its 31 g of protein per 100 g provides the amino acids leucine, isoleucine, and valine critical for muscle protein synthesis.

How much protein is in one chicken breast?

One medium cooked chicken breast (about 170 g) contains approximately 53 g of protein, covering over 100% of most people's per-meal protein needs.

Is chicken breast keto-friendly?

Yes. Chicken breast has zero carbs and is perfect for keto. Pair it with healthy fats like avocado or olive oil since it's very lean on its own.

What's healthier: chicken breast or thigh?

Chicken breast is leaner with fewer calories and more protein per gram. Chicken thighs have more fat and flavor. For weight loss, breast is better; for keto, thighs work well too.

How should I cook chicken breast for weight loss?

Grilling, baking, poaching, or air-frying are the best methods. Avoid deep-frying or breading. Season with herbs and spices instead of heavy sauces to keep calories low.

Can I eat chicken breast every day?

Yes, chicken breast is safe to eat daily as part of a balanced diet. Vary your preparation methods and pair with different vegetables to ensure nutritional variety.

Is chicken breast a complete protein?

Yes. Chicken breast contains all 9 essential amino acids in excellent proportions, making it a complete, high-quality protein source.

How does chicken breast compare to salmon?

Chicken breast has more protein and fewer calories per 100 g, while salmon provides healthy omega-3 fats. Both are excellent protein sources — ideally, include both in your diet.

How much chicken breast should I eat per day?

Most adults benefit from 150-250 g of cooked chicken breast per day (about 1-1.5 breasts), depending on their total protein needs and activity level.

Does chicken breast have any carbs?

No. Plain cooked chicken breast contains 0 g of carbohydrates, making it ideal for low-carb, keto, and carb-cycling diets.

What vitamins are in chicken breast?

Chicken breast is rich in B3 (niacin), B6, and B12 vitamins, plus selenium and phosphorus. These support energy metabolism, brain function, and immune health.