Calories in Chicken breast

100 g of chicken breast has 176 kcal, and 1 cup of chicken breast (135 g) has about 238 kcal.

176 kcalper 100 g

238 kcal in 1 cup (135 g)

Medium density · 1.8 kcal per g

Protein 29.6g 71% of the calories
Carbs 0g 0% of the calories
Fat 5.4g 29% of the calories
Fiber 0g

Per 100 g. Figures from USDA FoodData Central. Averages across measured samples; a few percent either way is normal. Updated 2026-10-04.

100 g is about 43 minutes of walking, or 15 minutes of running, for a 70 kg body - context, not a debt to work off.

Chicken breast nutrition facts

A dash means nobody measured it - not that there is none of it.

Per serving: 1 cup (135 g)
Nutrient	Per 100 g	Per serving
Energy	176kcal	238kcal
Fat	5.4g	7.4g
Saturated Fat	1g	1.4g
Unsaturated Fat	4.4g	6g
Carbs	0g	0g
Sugars	0g	0g
Fiber	0g	0g
Protein	29.6g	40g
Salt	0.88g	1.2g
Water	62.9g	84.8g

Alcohol	0g	0g
Caffeine	0mg	0mg

Monounsaturated	1.8g	2.4g
Polyunsaturated	1.3g	1.8g
Omega-3	0.11g	0.15g
ALA	0.1g	0.14g
DHA	0.005g	0.007g
EPA	0.004g	0.005g
Omega-6	1.2g	1.6g
AA	0.063g	0.085g
LA	1.1g	1.5g
Cholesterol	96mg	130mg

Vitamin B1 (Thiamine)	0.086mg	0.12mg
Vitamin B2 (Riboflavin)	0.21mg	0.28mg
Vitamin B3 (Niacin)	10.1mg	13.6mg
Vitamin B6 (Pyridoxine)	0.85mg	1.2mg
Vitamin B12 (Cobalamin)	0.18µg	0.24µg
Folate (Vitamin B9)	7µg	9.5µg
Vitamin A	9µg	12.2µg
Vitamin C	0mg	0mg
Vitamin D	0IU	0IU
Vitamin E	1.1mg	1.5mg
Vitamin K	2µg	2.7µg
Choline	75.7mg	102mg

Calcium	7mg	9.5mg
Copper	0.046mg	0.062mg
Iron	0.44mg	0.59mg
Magnesium	28mg	37.8mg
Phosphorus	224mg	302mg
Potassium	352mg	475mg
Selenium	30µg	40.5µg
Zinc	0.9mg	1.2mg

Beta-carotene	0µg	0µg
Lycopene	0µg	0µg
Lutein + zeaxanthin	0µg	0µg

Read it as an averageIt is what a laboratory measured, averaged over samples - variety, ripeness and cut all move it, and a few percent either way is normal.

What stands out in chicken breast

1 cup (135 g) is 238 kcal, about 12% of a 2,000 kcal day.

High in vitamin B310.1 mg per 100 g (63% of the daily reference)
High in vitamin B60.85 mg per 100 g (61% of the daily reference)
High in protein29.6 g per 100 g, 71% of the calories
Low in saturated fat1 g per 100 g
Low in sugars0 g per 100 g

Claims follow the EU nutrition claims rules and the "high" warnings the UK/EU front-of-pack labels; the 2,000 kcal day is the reference intake for an average adult.

Calories in different amounts of chicken breast

50 g	88 kcal
100 g	176 kcal
135 g1 cup	238 kcal
200 g	352 kcal
270 g2 servings	475 kcal

Any amount g 238 kcal

Foods with similar calories

Other published foods within reach of 176 kcal per 100 g, so the number has something to sit against.

Pork chop 7 kcal more 183kcal / 100 g

Ham 59 kcal less 117kcal / 100 g

Sardines 32 kcal more 208kcal / 100 g

Turkey 37 kcal less 139kcal / 100 g

Salmon 38 kcal more 214kcal / 100 g

Beef mince 80 kcal more 256kcal / 100 g

Questions about chicken breast

1 cup of chicken breast (135 g) has about 238 kcal, and 100 g has 176 kcal.

1 cup of chicken breast (135 g) has 40 g of protein, and 100 g has 29.6 g. The macro calculator works out how much protein you need a day.

It depends on how it is prepared. Per 100 g: grilled, skinless 176 kcal, raw, skinless 112 kcal, roasted, with skin 192 kcal, stewed, with skin 181 kcal, stewed, skinless 149 kcal. This page shows chicken breast (grilled, skinless).

Yes. 100 g of chicken breast has 10.1 mg of vitamin B3, 63% of what an adult needs in a day.

Yes. 100 g of chicken breast has 29.6 g of protein, and protein makes up 67% of the calories.

Yes. Chicken breast has no carbs, so it fits low-carb and keto diets.

It can be part of a diet that loses weight: what counts is the total calories you eat in a day, not any single food. 1 cup of chicken breast (135 g) has about 238 kcal. The calorie calculator works out how many you need.

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