# How Many Calories Are in Chicken Breast?

URL: https://kibora.app/calories-in/chicken-breast/
Language: en
Page type: food calorie reference
Last Updated: 2026-08-04
Description: Cooked skinless chicken breast has about 165 calories per 100 g. See calories by serving and weight, and calculate nutrition for your exact portion.
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## How Many Calories Are in Chicken Breast?

A cooked, skinless chicken breast weighing around 172 g contains approximately 284 calories.

Per 100 g, cooked roasted chicken breast without skin contains approximately 165 calories.

## Calories in chicken breast by serving

Chicken breast portions vary in size, so calories depend on the cooked edible weight after removing skin and bone.

| Serving | Weight | Calories |
| --- | --- | --- |
| 1/2 breast | 86 g | 142 kcal |
| 1 cup, chopped or diced | 140 g | 231 kcal |
| 1 breast | 172 g | 284 kcal |
| Per 100 g | 100 g | 165 kcal |

## Calculate calories for your chicken breast

Weigh the cooked chicken breast without skin or bone, then enter the edible weight below.

Calculated from average cooked, roasted, skinless chicken-breast values per 100 g. Cooking method and water loss can change the result.

## One chicken breast is easy. A whole day gets harder.

Kibora helps you log meals quickly by photo, voice, barcode, text, or favorites, then puts calories and nutrition into the context of your whole day.

## How many calories should you eat per day?

Knowing that 100 g of cooked chicken breast has about 165 calories is useful. Knowing how that fits into your own day is more useful.

## Nutrition data and methodology

Nutrition values and common serving weights are based on the USDA FoodData Central record for chicken breast meat only, cooked and roasted.

Chicken breast varies in size and loses different amounts of water during cooking. Added oil, marinades, breading, skin, and sauces are not included in these estimates.

### Sources

[USDA FoodData Central: Chicken breast, meat only, cooked, roasted](https://fdc.nal.usda.gov/food-details/171477/nutrients)

## Common questions about chicken breast calories

### How many calories are in 100 g of chicken breast?

Cooked, roasted chicken breast without skin contains approximately 165 calories per 100 g.

### How many calories are in half a chicken breast?

Half a cooked chicken breast weighing around 86 g contains approximately 142 calories.

### How many calories are in a whole chicken breast?

A cooked, skinless chicken breast weighing around 172 g contains approximately 284 calories.

### How many calories are in one cup of chicken breast?

One cup of chopped or diced cooked chicken breast weighs around 140 g and contains approximately 231 calories.

### Are raw and cooked chicken breast calories the same?

Not by weight. Cooking reduces water, so 100 g of cooked chicken is usually more calorie-dense than 100 g of raw chicken. Use values that match whether you weighed it raw or cooked.