How many calories in
portobello mushroom?
Portobello Mushroom is 22 calories per 100g — very low for vegetables. Essentially free volume on any plate; barely registers in macro accounting. 2.1g of protein per 100g makes it a small but meaningful contributor.
Common serving sizes.
Calories scale with portion. Here's how a typical portobello mushroom serving translates in your tracker:
What 22 calories means.
Very low calorie — at 22 kcal per 100g, portobello mushroom adds volume to a meal without meaningfully denting a calorie deficit.
Portobello Mushroom vs. similar foods.
How portobello mushroom stacks up on calories and protein against foods people commonly compare it to:
Skip the lookup. Snap the plate.
Point your iPhone camera at portobello mushroom and Spotwell's AI estimates the portion and macros in a few seconds. Check it, adjust anything that looks off, and log it.
Download on theApp StoreQuick answers.
How many calories in portobello mushroom?
Portobello Mushroom has approximately 22 calories per 100g. A typical serving — 3 oz (85g) — comes in at 19 calories.
How much protein is in portobello mushroom?
2.1g of protein per 100g. That puts portobello mushroom at roughly 9.5g of protein per 100 calories — a useful lens when comparing to other vegetables sources.
How do I log portobello mushroom 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 a few seconds. Adjust the value if it looks off.
Is portobello mushroom good for weight loss?
It depends on your overall calorie target. Portobello Mushroom is naturally low-calorie at 22 kcal per 100g, so it's easy to fit into a deficit.