How Much Does a Large Oatmeal Muffin Weigh?

A large oatmeal muffin weighs about 180 grams (6.3 oz).

That is the USDA average for one large oatmeal muffin, which has 666 calories and 12 g of protein. Sizes vary, so weigh yours if you track closely.

Oatmeal Muffin Calorie Calculator

AmountUnit

666cal

in 1 large oatmeal muffin (180 g)

Protein12 g7% of calories

Fat34 g46% of calories

Carbs79 g47% of calories

33% of a 2,000 calorie day

Add portions from any food page to build a meal total. It stays in this browser.

Measure	Grams	Ounces	Calories
1 medium oatmeal muffin	130 g	4.6 oz	481
1 small oatmeal muffin	70 g	2.5 oz	259
1 large oatmeal muffin	180 g	6.3 oz	666

Common amounts of oatmeal muffin with calories and macros. Tap a row for its full nutrition page.

Serving	Weight	Calories	Protein	Fat	Carbs
50g	50 g	185	3.2 g	9.5 g	22 g
1 small oatmeal muffin	70 g	259	4.5 g	13 g	31 g
100g	100 g	370	6.4 g	19 g	44 g
4 oz	113 g	420	7.3 g	21 g	50 g
1 medium oatmeal muffin	130 g	481	8.4 g	25 g	57 g
2 small oatmeal muffins	140 g	518	9 g	26 g	62 g
1 large oatmeal muffin	180 g	666	12 g	34 g	79 g
200g	200 g	740	13 g	38 g	88 g
2 medium oatmeal muffins	260 g	962	17 g	49 g	114 g
2 large oatmeal muffins	360 g	1332	23 g	68 g	158 g

Calories per 100 g compared with other breads and baked goods.

Oatmeal Muffin370

About 180 g, or 6.3 oz.

A large oatmeal muffin has 666 calories.

Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2707839. Original description: Muffin, oatmeal. Portion weights are USDA household measures.