Calorie data · Sweets← All foods

How many calories in
m&m's?

M&M's runs 492 calories per 100g, with 71g of carbs (mostly sugar) and 21g of fat. Calorie-dense — most desserts in this range fit best as planned treats rather than impulse picks.

492
kcal · 100g
4.3g
Protein
71g
Carbs
21g
Fat
Servings

Common serving sizes.

Calories scale with portion. Here's how a typical m&m's serving translates in your tracker:

Serving
Calories
Protein
3 oz (85g)
418 kcal
3.7g
4 oz (113g)
556 kcal
4.9g
1 cup (~150g)
738 kcal
6.4g
In your day

What 492 calories means.

Carb-forward — most of its 492 kcal come from carbohydrate, so it's best placed around training when your body uses carbs most readily.

Share of a 2,000-kcal day
25%
per 100g · 0.9g protein per 100 kcal
Time to burn it off
🚶 Walking93 min
🏃 Running48 min
🚴 Cycling54 min
Estimated for a 70 kg / 154 lb adult
Comparison

M&M's vs. similar foods.

How m&m's stacks up on calories and protein against foods people commonly compare it to:

Food
Calories
Protein / 100 kcal
M&M's
492 kcal / 100g
0.9g
488 kcal / 100g
1g
488 kcal / 100g
1.8g
488 kcal / 100g
1.6g
Track this food

Skip the lookup. Snap the plate.

Point your iPhone camera at m&m's and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.

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FAQ

Quick answers.

How many calories in m&m's?

M&M's has approximately 492 calories per 100g. A typical serving — 3 oz (85g) — comes in at 418 calories.

How much protein is in m&m's?

4.3g of protein per 100g. That puts m&m's at roughly 0.9g of protein per 100 calories — a useful lens when comparing to other sweets sources.

How do I log m&m's accurately?

The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With Spotwell, you can skip the scale — point the camera at the plate and the AI estimates the portion in under a second. Adjust the value if it looks off.

Is m&m's good for weight loss?

It depends on your overall calorie target. M&M's is calorie-dense at 492 kcal per 100g, so portion control matters more than with low-cal foods.