how many calories in chicken breast
A typical plain, cooked, boneless, skinless chicken breast has around 165 calories per 100 g and about 280–290 calories for a medium (170 g) breast.
Quick Scoop
- 100 g cooked, skinless chicken breast: ~165 calories.
- Medium breast (about 170 g cooked): ~280 calories.
- Small (140 g) breast: ~230 calories; large (200 g): ~330 calories.
- Almost all calories come from protein and a small amount of fat; carbs are essentially zero.
By common serving size
| Serving size | Approx. calories (cooked, skinless) |
|---|---|
| 100 g | 165 kcal | [5][3][1]
| 3 oz (about 85 g) | ~140 kcal (scaled from 165 kcal/100 g) | [3][5]
| 4 oz (about 113 g) | ~180–190 kcal | [5]
| Medium whole breast (~170 g) | ~280 kcal | [3][7]
| Large breast (~200 g) | ~330 kcal | [7]
What changes the calories?
- Cooking method: grilling/baking with little oil stays close to 165 kcal per 100 g, while pan‑frying or deep‑frying can push it above 220–300 kcal per 100 g because of added fat.
- Skin on vs off: keeping the skin raises both calories and fat compared with skinless breast.
- Sauces and marinades: creamy or sugary sauces add extra calories on top of the chicken itself.
A plain, grilled or baked skinless chicken breast is one of the leanest, highest‑protein options if you are tracking calories for weight loss or muscle gain.
TL;DR: Count on about 165 kcal per 100 g of cooked, skinless chicken breast, then scale up or down based on the weight of your piece. Information gathered from public forums or data available on the internet and portrayed here.
