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Foods · Comparisons

Bagel vs Glazed donut: calories and nutrition compared

The short answer

Gram for gram, there are about 59% more calories in glazed donut than in bagel. Per 100 g: bagel ≈264 calories, glazed donut ≈421. In a typical portion, 1 medium bagel of bagel is about 277 calories and 1 oz of glazed donut about 120.

Side by side, per 100 g

Per 100 gBagelGlazed donut
Calories264 kcal421 kcal
Protein10.6 g6.1 g
Carbohydrate52.4 g47.9 g
of which sugars8.4 g22.8 g
Fibre1.6 g2.1 g
Fat1.3 g22.7 g

Per typical portion

PortionGramsCaloriesProtein
Bagel1 medium bagel105 g27711.1 g
Glazed donut1 oz28 g1201.7 g

Protein per 100 calories

Per 100 calories: about 4 g of protein in bagel, about 1.5 g in glazed donut.

Which one to pick

  • Fewer calories per bite: Bagel.
  • More protein per calorie: Bagel.
  • More fiber: Glazed donut.

Both can fit your day. How much you eat changes the total more than which one you pick, so weigh or measure the portion when it matters.

Source

Nutrient values from USDA FoodData Central: Bagel (FDC 174899), Glazed donut (FDC 172758).

Full nutrition pages: Bagel · Glazed donut

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© 2026 CaloLiftFood data: USDA FoodData Central