How Much Protein in Chicken Breast? Raw vs Cooked, per 100 g
Per 100 g, roasted chicken breast has 31.0 g of protein and raw chicken breast has 22.5 g. Half a roasted breast (86 g) has 26.7 g of protein. Per 100 g, roasted chicken breast also provides 165 kcal, 3.6 g of fat and 0.0 g of carbohydrate.
Ranked #5 of 46 high protein foods by protein per 100 g.
Protein per 100 g and per serving
| Food | State | Per 100 g | Per 100 g | Per serving | Per serving | ||||
|---|---|---|---|---|---|---|---|---|---|
| Protein | kcal | Fat | Carbs | Serving | Protein | kcal | |||
| Chicken breast, roasted FDC 171477 | Cooked | 31.0 g | 165 | 3.6 g | 0.0 g | ½ breast (86 g) | 26.7 g ½ breast (86 g) | 142 | |
| Chicken breast, raw FDC 171077 | Raw | 22.5 g | 120 | 2.6 g | 0.0 g | 4 oz (113 g) | 25.4 g 4 oz (113 g) | 136 | |
Protein by amount: roasted chicken breast
| Weight | Protein | kcal | Fat | Carbs |
|---|---|---|---|---|
| 100 g | 31.0 g | 165 | 3.6 g | 0.0 g |
| 150 g | 46.5 g | 248 | 5.4 g | 0.0 g |
| 200 g | 62.0 g | 330 | 7.1 g | 0.0 g |
| 250 g | 77.6 g | 413 | 8.9 g | 0.0 g |
| 300 g | 93.1 g | 495 | 10.7 g | 0.0 g |
| 400 g | 124.1 g | 660 | 14.3 g | 0.0 g |
Raw vs cooked
Protein per 100 g differs between the raw and cooked weight of the same food, so use the row that matches how you weigh it.
USDA lists 22.5 g of protein per 100 g for raw chicken breast and 31.02 g for roasted. The roasted figure is higher per 100 g because cooked meat weighs less than the raw meat it came from. Use the raw row if you weigh chicken before cooking and the roasted row if you weigh it after.
How it compares
Similar foods sorted by protein per 100 kcal (main entry for each food).
| Food | Protein per 100 kcalProtein / 100 kcal | Protein (Per 100 g)Protein / 100 g | kcal (Per 100 g)kcal / 100 g |
|---|---|---|---|
| Cod, cooked | 21.7 g | 22.8 g | 105 |
| Turkey breast, roasted | 21.7 g | 29.5 g | 136 |
| Tilapia, cooked | 20.4 g | 26.2 g | 128 |
| Chicken breast, roasted | 18.8 g | 31.0 g | 165 |
| Greek yogurt, plain, nonfat | 17.3 g | 10.2 g | 59 |
| Beef top sirloin, broiled | 16.7 g | 30.6 g | 183 |
To find your own daily protein target, use the Protein Intake Calculator.
Frequently asked questions
How much protein is in 100 g of chicken breast?
Roasted chicken breast (meat only) has 31.0 g of protein per 100 g. Raw skinless, boneless chicken breast has 22.5 g per 100 g (USDA FDC 171477 and 171077).
How much protein is in a chicken breast?
USDA lists half a roasted breast, bone and skin removed, at 86 g, with 26.7 g of protein and 142 kcal. A 4 oz (113 g) portion of raw chicken breast has 25.4 g of protein.
How much protein is in 200 g of cooked chicken breast?
200 g of roasted chicken breast has 62.0 g of protein and 330 kcal. 150 g has 46.5 g of protein and 300 g has 93.1 g.
Should I weigh chicken breast raw or cooked?
Either works if you use the matching values: 22.5 g of protein per 100 g for raw weight and 31.0 g per 100 g for roasted weight. Using roasted values with a raw weight overstates protein.
How many calories are in chicken breast?
Roasted chicken breast has 165 kcal per 100 g, with 3.6 g of fat and 0 g of carbohydrate. Raw chicken breast has 120 kcal per 100 g.
How much protein per calorie does chicken breast have?
Both raw and roasted chicken breast have 18.8 g of protein per 100 kcal in USDA data.
Related foods
All values come from USDA FoodData Central, SR Legacy (April 2018), per 100 g. Per-serving and scaled values are calculated from them.