What does 100 calories of chicken breast (roasted) look like?

100 calories =61 g61 g · 2.1 oz
Medium calorie density1.65 kcal/g
61 g is about 2.1 oz, roughly the size of a deck of cards.
Food volume for 100 kcal

Skinless roasted chicken breast is one of the most protein-dense foods per calorie: about 19 g of protein in 100 calories.

Chicken breast (roasted): 50 to 500 calories

CaloriesGramsOunces
50 kcal30 g1.1 oz
100 kcal61 g2.2 oz
200 kcal121 g4.3 oz
300 kcal182 g6.4 oz
500 kcal303 g10.7 oz

What's in 100 calories of chicken breast (roasted)

18.8 gprotein
0.0 gcarbs
2.2 gfat
0.0 gfiber

Protein 79% Carbs 0% Fat 21% of calories

Want more food for the same 100 calories?

These give you at least 2½ times more volume than chicken breast (roasted):

Compare with other protein foods

Food100 kcal isGrams
🍗 Chicken breast (roasted)61 g61 g
🥚 Egg whites5¾ large egg whites192 g
⬜ Tofu (firm)1½ quarter blocks128 g
🦞 Lobster (cooked)¾ cup112 g
🫘 Refried beans½ cup111 g
🫘 Baked beans½ cup106 g
🦀 Crab (cooked)3⅔ oz103 g
🐟 Cod (cooked)½ fillet95 g
🦃 Turkey breast (deli)6 slices94 g
🐟 Canned tuna (in water)½ can86 g
🫘 Lentils (cooked)½ cup86 g
🍤 Shrimp (cooked)15 large shrimp84 g
🫛 Edamame (shelled)½ cup83 g

See all protein foods →

Questions

How much is 100 calories of chicken breast (roasted)?

100 calories of chicken breast (roasted) is about 61 g (2.1 oz).

How many calories are in 100 g of chicken breast (roasted)?

165 calories per 100 g, according to USDA FoodData Central.

Is chicken breast good for weight loss?

Medium calorie density (1.65 kcal per gram). Fine in sensible portions; easy to overeat if you don't measure. 100 calories also gives you 18.8 g of protein and 0.0 g of fiber.

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Source: USDA FoodData Central, "Chicken, broilers or fryers, breast, meat only, cooked, roasted" (FDC ID 171477). Grams for 100 kcal = 100 ÷ calories per gram. Real portions vary by size, variety and preparation. Updated 2026-10-23.