What does 100 calories of hamburger bun look like?

100 calories =¾ bun36 g · 1.3 oz
Medium calorie density2.79 kcal/g
Each 🍔 = one bun (~44.0 g). The last icon shows a part of one.
Food volume for 100 kcal

Hamburger bun has 279 calories per 100 g, so 100 calories is ¾ bun of hamburger bun (36 g).

Hamburger bun: 50 to 500 calories

CaloriesGramsOuncesBuns
50 kcal18 g0.6 oz⅓
100 kcal36 g1.3 oz¾
200 kcal72 g2.5 oz1⅔
300 kcal107 g3.8 oz2½
500 kcal179 g6.3 oz4

What's in 100 calories of hamburger bun

3.5 gprotein
17.9 gcarbs
1.4 gfat
0.6 gfiber

Protein 14% Carbs 73% Fat 13% of calories

Want more food for the same 100 calories?

These give you at least 2½ times more volume than hamburger bun:

Compare with other bread, rice & grains

Food100 kcal isGrams
🍔 Hamburger bun¾ bun36 g
🥣 Oatmeal (cooked with water)⅔ cup141 g
🍚 Brown rice (cooked)½ cup89 g
🍚 Couscous (cooked)½ cup89 g
🍚 Quinoa (cooked)½ cup83 g
🍚 White rice (cooked)⅓ cup77 g
🍜 Egg noodles (cooked)½ cup72 g
🍝 Whole wheat pasta (cooked)½ cup67 g
🍝 Pasta (cooked)½ cup (spaghetti)63 g
🌮 Corn tortilla2 tortillas46 g
🍞 English muffin¾ muffin44 g
🥞 Pancakes1¼ 4-inch pancakes44 g
🍞 Whole wheat bread1¼ slices40 g

See all bread, rice & grains →

Questions

How much is 100 calories of hamburger bun?

100 calories of hamburger bun is about 36 g (1.3 oz), or roughly ¾ bun.

How many calories are in 100 g of hamburger bun?

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

Is hamburger bun good for weight loss?

Medium calorie density (2.79 kcal per gram). Fine in sensible portions; easy to overeat if you don't measure. 100 calories also gives you 3.5 g of protein and 0.6 g of fiber.

How many calories are in one bun?

About 123 calories.

How many buns is 200 calories?

About 1⅔ (72 g).

Free printable

The 100-calorie cheat sheet

One page with 300+ foods and their exact 100-calorie portions. Stick it on the fridge.

Source: USDA FoodData Central, "Rolls, hamburger or hotdog, plain" (FDC ID 172796). Grams for 100 kcal = 100 ÷ calories per gram. Unit weight: USDA: 1 roll 1 serving = 44.0 g. Real portions vary by size, variety and preparation. Updated 2026-10-23.