Calories in chicken breast (roasted, with skin)
Calories, protein, carbohydrate and fat per 100 g and per serving, from the USDA reference database — plus what actually changes the number on your plate.
Short answer
100 g of chicken breast (roasted, with skin) contains 197 kcal, with 29.8 g of protein, 0 g of carbohydrate and 7.8 g of fat.
A typical serving — 1 breast, about 170 g — is roughly 335 kcal.
That is a moderate calorie density, in the same range as cooked grains and lean meat.
Nutrition facts
| Nutrient | Per 100 g | 1 breast (170 g) |
|---|---|---|
| Calories | 197 kcal | 335 kcal |
| Protein | 29.8 g | 50.7 g |
| Carbohydrates | 0 g | 0 g |
| Sugars | 0 g | 0 g |
| Fibre | 0 g | 0 g |
| Fat | 7.8 g | 13.2 g |
| Saturated fat | 2.2 g | 3.7 g |
| Cholesterol | 84 mg | 143 mg |
| Sodium | 71 mg | 121 mg |
| Potassium | 245 mg | 417 mg |
| Calcium | 14 mg | 24 mg |
| Iron | 1.1 mg | 1.8 mg |
| Vitamin C | 0 mg | 0 mg |
| Water | 62 g | 106 g |
Calories per serving
| Serving | Weight | Calories | Protein | Carbohydrates | Fat |
|---|---|---|---|---|---|
| 1 breast | 170 g | 335 | 50.7 g | 0 g | 13.2 g |
Photograph it instead of looking it up
Wellix identifies chicken breast on your plate, estimates the portion and logs calories, protein, carbs and fat in seconds. Free to start on iPhone and Android.
Calories by weight
Use this table when you know the weight but not the serving:
| Amount | Calories | Protein | Carbohydrates | Fat |
|---|---|---|---|---|
| 25 g | 49 | 7.5 g | 0 g | 1.9 g |
| 50 g | 99 | 14.9 g | 0 g | 3.9 g |
| 100 g | 197 | 29.8 g | 0 g | 7.8 g |
| 150 g | 296 | 44.7 g | 0 g | 11.7 g |
| 200 g | 394 | 59.6 g | 0 g | 15.6 g |
| 250 g | 493 | 74.5 g | 0 g | 19.5 g |
| 300 g | 591 | 89.4 g | 0 g | 23.3 g |
Where the calories come from
Calories come from three macronutrients: protein and carbohydrate at 4 kcal per gram, fat at 9 kcal per gram. For chicken breast (roasted, with skin) the split is:
- Protein: 29.8 g × 4 = 119 kcal — 63% of calories
- Carbohydrates: 0 g × 4 = 0 kcal — 0% of calories
- Fat: 7.8 g × 9 = 70 kcal — 37% of calories
- Most of the energy in chicken breast (roasted, with skin) comes from protein (63% of calories).
- With 29.8 g of protein per 100 g it counts as a high-protein food.
- That is 15.1 g of protein per 100 kcal — a useful number when protein is your target.
- For 200 kcal you can eat about 100 g.
Compare preparations
The same food, prepared differently. Cooking removes water (so calories per 100 g rise), adds fat (so they rise further), or both.
| Preparation | Calories | Protein | Carbohydrates | Fat |
|---|---|---|---|---|
| Chicken breast (roasted, skinless) | 165 | 31 g | 0 g | 3.6 g |
| Chicken breast (raw) | 120 | 22.5 g | 0 g | 2.6 g |
| Chicken breast (roasted, with skin)this page | 197 | 29.8 g | 0 g | 7.8 g |
| Chicken breast (pan-fried, skinless, no batter) | 187 | 33.4 g | 0.5 g | 4.7 g |
What actually changes the number
Leaving the skin on adds about 20% to the calories of a roast chicken breast: 197 versus 165 kcal per 100 g. That is a smaller penalty than most people assume, and far smaller than the batter on fried chicken.
How accurate are these numbers?
The values on this page are reference averages from the USDA FoodData Central database (SR Legacy release), measured on samples of chicken breast as sold and prepared in the United States. Your portion will differ: produce varies by variety and ripeness, meat by cut and trim, and anything cooked by the fat and water it gained or lost.
For most foods the per-100 g figure is reliable to within about 10%. The larger uncertainty is almost always the weight of what is on your plate and the cooking fat you cannot see — the two things worth checking before you worry about the database.
How accurate are AI calorie counting apps? →
Related foods
Frequently asked questions
How many calories are in 100 g of chicken breast?
100 g of chicken breast (roasted, with skin) contains 197 kcal (29.8 g protein, 0 g carbohydrate, 7.8 g fat), according to USDA reference data.
How many calories are in a serving of chicken breast?
A typical serving of chicken breast — 1 breast, about 170 g — has roughly 335 kcal. Weigh your own portion once to see how it compares; serving sizes vary more than the food does.
How much protein is in chicken breast?
Chicken breast (roasted, with skin): 29.8 g of protein per 100 g, which is high. Foods above about 15–20 g per 100 g, or where protein supplies a third or more of the calories, are usually considered high-protein.
What amount of chicken breast equals 200 kcal?
At 197 kcal per 100 g, about 100 g of chicken breast equals 200 kcal.
Can I track chicken breast by taking a photo?
Yes. A photo calorie app like Wellix identifies chicken breast on the plate and estimates the portion from the image. The estimate is most accurate when you confirm the weight or the count, and tell the app about anything the camera cannot see — cooking oil, butter, dressings and sauces.
Source
Nutrition data: U.S. Department of Agriculture, FoodData Central — SR Legacy, FDC ID 171075: "Chicken, broilers or fryers, breast, meat and skin, cooked, roasted". Values are per 100 g of edible portion. Serving weights are USDA household measures or typical retail sizes; check the label where one exists. View the USDA record.
Wellix provides general nutrition information and is not medical advice. Nutrition values are reference averages and individual foods vary. Consult a qualified healthcare professional before making significant dietary changes.
Photograph it instead of looking it up
Wellix identifies chicken breast on your plate, estimates the portion and logs calories, protein, carbs and fat in seconds. Free to start on iPhone and Android.
