Grains and snacks

Hamburger bun calories and nutrition

One white hamburger bun (52 g) has 139 calories, with 4.9 g of protein, 25.6 g of carbs and 1.9 g of fat. That is 267 calories per 100 g.

White hamburger bun. Data: USDA FoodData Central, “Roll, white, hamburger bun”. The bun alone is counted here, without a patty, cheese, sauce or other fillings. The USDA small bun is a separate 28 g measure, not half of the 52 g regular bun. Brand sizes and recipes vary.

1 hamburger bun · 52 g

139 calories

Protein
4.9 g14% of calories · 10% DV
Carbs
25.6 g74% of calories · 9% DV
Fat
1.9 g12% of calories · 2% DV
Fiber
1.2 g
Sugars
2.8 g
Saturated fat
0.4 g
Sodium
234 mg

Calories in hamburger bun by serving

ServingCaloriesProteinCarbsFat
1 hamburger bun52 g1394.9 g25.6 g1.9 g
1 small bun28 g752.6 g13.8 g1 g
100 g100 g2679.4 g49.2 g3.6 g

Serving weights are USDA’s household measures for this food.

Hamburger bun nutrition facts

Per 100 g, 267 calories: 14% from protein, 74% from carbs and 12% from fat.

NutrientPer 100 gPer serving1 hamburger bun · 52 g% Daily Value
Calories267139–
Total fat3.6 g1.9 g2%
Saturated fat0.8 g0.4 g2%
Cholesterol0 mg0 mg0%
Sodium450 mg234 mg10%
Total carbohydrate49.2 g25.6 g9%
Dietary fiber2.3 g1.2 g4%
Total sugars5.3 g2.8 g–
Protein9.4 g4.9 g10%
Vitamin D0 µg0 µg0%
Calcium211 mg109.7 mg8%
Iron3.4 mg1.7 mg10%
Potassium117 mg60.8 mg1%
Vitamin A0 µg0 µg0%
Vitamin C0 mg0 mg0%

% Daily Value is per serving (1 hamburger bun), using the FDA’s Daily Values. Calorie shares use 4 calories per gram of protein and carbs and 9 per gram of fat.

How long to walk it off

Walking at 3 mph, a 150-lb adult burns about 3.2 calories a minute on top of what they would burn at rest. So one white hamburger bun (139 calories) takes about 44 minutes of walking, roughly 5,000 steps.

Work it out for your weight and pace →

Compare calories by serving

One white hamburger bun has 139 calories, 16 more calories than one plain hot dog bun (123 calories). The portions weigh 52 g and 44 g, respectively.

Related foods to explore

  • Hot dog bun123 calories in one plain hot dog bun279 per 100 g
  • Bread roll78 calories in a small plain dinner roll310 per 100 g
  • Toast64 calories in a slice of plain toasted white bread290 per 100 g
  • Whole-wheat bread77 calories in a slice of plain whole-wheat toast306 per 100 g

All foods →

Hamburger bun questions

How many calories are in a small hamburger bun?

One small white hamburger bun (28 g) has 75 calories: 1 g fat, 13.8 g carbs (0.6 g of it fiber) and 2.6 g protein.

How much protein is in one white hamburger bun?

One white hamburger bun (52 g) has 4.9 g of protein, 10% of the 50 g Daily Value. That is 9.4 g per 100 g.

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Sources

  1. USDA FoodData Central, Survey (FNDDS 2021–2023): Roll, white, hamburger bun (FDC ID 2707657, Survey (FNDDS), published 2024-10-31).
  2. U.S. Food and Drug Administration. Daily Value on the Nutrition and Supplement Facts Labels.
  3. Walking time: the method of our walking calorie calculator (2024 Adult Compendium of Physical Activities; CADENCE-Adults for steps).

USDA original dataset records verified October 29, 2026. Nutrients are scaled from per 100 g; calories round to whole numbers and other amounts to one decimal, with trailing zeros removed.

Prepared by the KaloCam team · Updated