Per 100g, marshmallow delivers 318 calories and 81g of carbs. Per-piece numbers depend heavily on size — log accurately by reading the package.
Calories scale with portion. Here's how a typical marshmallow serving translates in your tracker:
Carb-forward — most of its 318 kcal come from carbohydrate, so it's best placed around training when your body uses carbs most readily.
How marshmallow stacks up on calories and protein against foods people commonly compare it to:
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 StoreMarshmallow has approximately 318 calories per 100g. A typical serving — 3 oz (85g) — comes in at 270 calories.
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.
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.
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.