McDonald's Mega McMuffin
- 366 kcal
- As published by McDonald's, read 15 Oct 2026
- Not forNight before
- Not forAfter training
- Good forLighter day
- Not forRide stop
The short answer
A McDonald's Mega McMuffin has 366 kcal, with 29.4 g carbs, 26.2 g protein and 16 g fat.
Calories366kcal
Carbs29.4g
Protein26.2g
Fat16g
Where the 366 kcal come from
32%carbs29%protein39%fat
On a training day
How it fits a heavy day
An example day of 545 g carbs and 110 g protein. In the app, the targets are yours, set by the training in front of you.
Similar at McDonald'skcalCarbsProtein
Questions about this dish
How many calories are in a McDonald's Mega McMuffin?
366 kcal, with 29.4 g carbs, 26.2 g protein and 16 g fat, as McDonald's publishes it.
How much protein is in a McDonald's Mega McMuffin?
26.2 g, with 29.4 g carbs and 16 g fat.
In the app
Eating this today? Log it in one tap.
Say "McDonald's Mega McMuffin" and it lands in your diary, counted against today's carbs and protein.
