Calories in Chicken breast
140 calories in 3 oz cooked (85 g) (165 kcal per 100 g)
Chicken breast has 140 calories per 3 oz cooked (85 g). Use this quick USDA-sourced reference for calories and macros, then log the real meal in TrueCal when portions change.
Nutrition facts
| Nutrient | Per serving | Per 100 g |
|---|---|---|
| Calories | 140 kcal | 165 kcal |
| Protein | 26.4 g | 31 g |
| Carbs | 0 g | 0 g |
| Fat | 3.1 g | 3.6 g |
| Fiber | 0 g | 0 g |
| Sodium | 63 mg | 74 mg |
Macro calorie breakdown
Using the common 4 kcal per gram for protein, 4 kcal per gram for carbs, and 9 kcal per gram for fat convention, the 3 oz cooked (85 g) serving breaks into these macro-derived calorie shares.
- Protein: 26.4 g, about 105.6 kcal, or 79.1% of macro-derived calories.
- Carbs: 0 g, about 0 kcal, or 0% of macro-derived calories.
- Fat: 3.1 g, about 27.9 kcal, or 20.9% of macro-derived calories.
That equals 18.9 g protein per 100 calories for this serving.
Serving and 100 g context
The labeled serving is 85 g, which is 0.85 times the 100 g reference amount. That serving lists 140 calories, while the 100 g reference lists 165 kcal.
For macros, the same serving shows 26.4 g protein, 0 g carbs, and 3.1 g fat. The 100 g reference shows 31 g protein, 0 g carbs, and 3.6 g fat.
Other measured nutrients
Fiber is 0 g per 3 oz cooked (85 g) and 0 g per 100 g in the USDA data.
Sodium is 63 mg per 3 oz cooked (85 g) and 74 mg per 100 g in the USDA data.
Tracking calories in Chicken breast
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Data: USDA FoodData Central — Chicken, broilers or fryers, breast, meat only, cooked, roasted