A typical serving of blueberry muffin (1 small muffin, 66 g) has about 248 calories. Per 100 g: 375 kcal, 4.5 g protein, 53 g carbs, 16.1 g fat. The same 100 g carries 1.1 g of fiber and 31.5 g of sugar. The energy comes from a mix of carbs, fat, and protein.
| Serving | Weight | Calories |
|---|---|---|
| 1 small muffin | 66 g | 248 kcal |
| 1 large muffin | 139 g | 521 kcal |
| 1 extra-large muffin | 168 g | 630 kcal |
| 100 g | 100 g | 375 kcal |
Bakery muffins are cake in a breakfast costume; a large one can clear 400 calories. On the energy-density scale, 375 kcal per 100 g puts blueberry muffin at the high end.
A typical serving (1 small muffin, 66 g) has about 248 calories, and 100 g has 375 kcal. Calories scale with weight, so double the portion means double the number.
There are 4.5 g of protein in 100 g of blueberry muffin, which works out to about 3 g per serving (1 small muffin). Treat it as an energy source rather than a protein source.
Sugar comes to 31.5 g per 100 g, so 1 small muffin (66 g) delivers roughly 21 g. That sugar is already counted inside the calorie figures on this page.
Every value on this page comes from USDA FoodData Central, entry 172765 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
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Get JoulesA note on accuracy: calculators like this one provide estimates based on population-level formulas — your real needs vary with genetics, muscle mass, medical conditions, and more. Results are for information only and are not medical advice, a diagnosis, or a prescription. Talk to a doctor or registered dietitian before making significant changes to your diet or exercise, especially if you have a health condition, are pregnant, or are under 18.
Nutrition data: USDA FoodData Central, FDC ID 172765 (SR Legacy). Serving calories are computed from the per-100-g values.
