How many calories are in chicken breast?
A medium roasted chicken breast (4.2 oz, 120 g) has 193 calories. A small chicken breast has 169 calories and a large one 217 calories. Per 3.5 oz (100 g): 161 calories.
Numbers are for the USDA entry Chicken breast, baked, broiled, or roasted, skin not eaten, from raw. Other forms are compared below.
Calories in chicken breast by size and measure
| Measure | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 cup (cooked, diced) | 4.8 oz (135 g) | 217 calories | 40.8 g | 0 g | 4.8 g |
| 1/2 cup | 2.4 oz (68 g) | 109 calories | 20.4 g | 0 g | 2.4 g |
| 1 large breast | 4.8 oz (135 g) | 217 calories | 40.8 g | 0 g | 4.8 g |
| 1 medium breast | 4.2 oz (120 g) | 193 calories | 36.3 g | 0 g | 4.2 g |
| 1 small breast | 3.7 oz (105 g) | 169 calories | 31.7 g | 0 g | 3.7 g |
| 1 large slice | 3 oz (85 g) | 137 calories | 25.7 g | 0 g | 3 g |
| 1 medium slice | 2.1 oz (60 g) | 97 calories | 18.1 g | 0 g | 2.1 g |
| 1 small slice | 1.1 oz (30 g) | 48 calories | 9.1 g | 0 g | 1.1 g |
| 1 oz | 28 g | 46 calories | 8.6 g | 0 g | 1 g |
| 3 oz | 85 g | 137 calories | 25.7 g | 0 g | 3 g |
| 4 oz | 113 g | 183 calories | 34.3 g | 0 g | 4 g |
| 6 oz | 170 g | 274 calories | 51.4 g | 0 g | 6 g |
| 8 oz | 227 g | 365 calories | 68.5 g | 0 g | 8 g |
| 100 g | 3.5 oz | 161 calories | 30.2 g | 0 g | 3.5 g |
| 1 lb | 454 g | 730 calories | 137.1 g | 0 g | 16 g |
Weights are the household measures USDA lists for this exact food.
Where the calories come from
A medium roasted chicken breast (4.2 oz, 120 g) has:
- Protein: 36.3 g per serving, about 79% of calories
- Fat: 4.2 g per serving, about 21% of calories
Shares use 4 calories per gram of protein and carbs and 9 per gram of fat. USDA calculates total calories with factors specific to each food, so shares are approximate.
Raw, cooked and other forms
Per 100 g, the 9 USDA entries below range from 144 calories in chicken breast, rotisserie, skin not eaten to 204 calories in chicken breast, baked, broiled, or roasted with marinade, skin eaten.
| USDA entry | Per 100 g | Per serving | Water |
|---|---|---|---|
| Chicken breast, baked, broiled, or roasted, skin not eaten | 161 calories | 193 calories per 1 medium breast (120 g) | 64.1% |
| Chicken breast, baked, broiled, or roasted with marinade, skin not eaten | 175 calories | 210 calories per 1 medium breast (120 g) | 62.9% |
| Chicken breast, stewed, skin not eaten | 149 calories | 209 calories per 1 medium breast (140 g) | 66.8% |
| Chicken breast, baked, broiled, or roasted, skin eaten | 192 calories | 250 calories per 1 medium breast (130 g) | 63.2% |
| Chicken breast, sauteed, skin not eaten | 176 calories | 211 calories per 1 medium breast (120 g) | 62.9% |
| Chicken breast, rotisserie, skin not eaten | 144 calories | 86 calories per 1 medium slice (60 g) | 67.8% |
| Chicken breast, baked, broiled, or roasted with marinade, skin eaten | 204 calories | 265 calories per 1 medium breast (130 g) | 62% |
| Chicken breast, stewed, skin eaten | 181 calories | 272 calories per 1 medium breast (150 g) | 65.3% |
| Chicken breast, fried, coated, skin / coating not eaten | 176 calories | 211 calories per 1 medium breast (120 g) | 62.9% |
Each row is a separate USDA entry with its own household measure. A dash means USDA lists no comparable measure for that entry.
Keep exploring
Sources
Nutrients and household measures: USDA FoodData Central, April 2026 release (accessed 2026-10-14)
- Chicken breast, baked, broiled, or roasted, skin not eaten: Chicken breast, baked, broiled, or roasted, skin not eaten, from raw, FDC ID 2705956 (FoodData Central survey (FNDDS) 2024-10-31)
- Chicken breast, baked, broiled, or roasted with marinade, skin not eaten: Chicken breast, baked, broiled, or roasted with marinade, skin not eaten, from raw, FDC ID 2705962 (FoodData Central survey (FNDDS) 2024-10-31)
- Chicken breast, stewed, skin not eaten: Chicken breast, stewed, skin not eaten, FDC ID 2705966 (FoodData Central survey (FNDDS) 2024-10-31)
- Chicken breast, baked, broiled, or roasted, skin eaten: Chicken breast, baked, broiled, or roasted, skin eaten, from raw, FDC ID 2705955 (FoodData Central survey (FNDDS) 2024-10-31)
- Chicken breast, sauteed, skin not eaten: Chicken breast, sauteed, skin not eaten, FDC ID 2705972 (FoodData Central survey (FNDDS) 2024-10-31)
- Chicken breast, rotisserie, skin not eaten: Chicken breast, rotisserie, skin not eaten, FDC ID 2705964 (FoodData Central survey (FNDDS) 2024-10-31)
- Chicken breast, baked, broiled, or roasted with marinade, skin eaten: Chicken breast, baked, broiled, or roasted with marinade, skin eaten, from raw, FDC ID 2705961 (FoodData Central survey (FNDDS) 2024-10-31)
- Chicken breast, stewed, skin eaten: Chicken breast, stewed, skin eaten, FDC ID 2705965 (FoodData Central survey (FNDDS) 2024-10-31)
- Chicken breast, fried, coated, skin / coating not eaten: Chicken breast, fried, coated, skin / coating not eaten, from raw, FDC ID 2705974 (FoodData Central survey (FNDDS) 2024-10-31)
How we calculate: every amount is the USDA value per 3.5 oz (100 g) scaled to the gram weight USDA lists for that measure. 1 oz = 28.35 g and 1 lb = 453.6 g. A dash (—) means USDA reports no value. How we verify.