How many calories in
marshmallow?
Per 100g, marshmallow delivers 318 calories and 81g of carbs. Per-piece numbers depend heavily on size — log accurately by reading the package.
Common serving sizes.
Calories scale with portion. Here's how a typical marshmallow serving translates in your tracker:
What 318 calories means.
Carb-forward — most of its 318 kcal come from carbohydrate, so it's best placed around training when your body uses carbs most readily.
Marshmallow vs. similar foods.
How marshmallow stacks up on calories and protein against foods people commonly compare it to:
Skip the lookup. Snap the plate.
Point your iPhone camera at marshmallow and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
Download on theApp StoreQuick answers.
How many calories in marshmallow?
Marshmallow has approximately 318 calories per 100g. A typical serving — 3 oz (85g) — comes in at 270 calories.
How much protein is in marshmallow?
1.8g of protein per 100g. That puts marshmallow at roughly 0.6g of protein per 100 calories — a useful lens when comparing to other sweets sources.
How do I log marshmallow 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 marshmallow good for weight loss?
It depends on your overall calorie target. Marshmallow sits in a moderate calorie range. It can fit any goal — weight loss, maintenance, or muscle gain — when portioned to your daily target.