How many calories in
octopus?
Octopus comes in around 82 calories per 100g, with 15g of protein and 1g of fat. The protein-to-calorie ratio is excellent — most of the calories are protein, not fat. Cooks fast and works in any preparation.
Common serving sizes.
Calories scale with portion. Here's how a typical octopus serving translates in your tracker:
What 82 calories means.
Protein-dense — 18.3 g of protein per 100 kcal makes octopus an efficient choice for hitting a protein target while managing calories.
Skip the lookup. Snap the plate.
Point your iPhone camera at octopus 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 octopus?
Octopus has approximately 82 calories per 100g. A typical serving — 3 oz (85g) — comes in at 70 calories.
How much protein is in octopus?
15g of protein per 100g. That puts octopus at roughly 18.3g of protein per 100 calories — a useful lens when comparing to other protein sources.
How do I log octopus 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 octopus good for weight loss?
It depends on your overall calorie target. Octopus is naturally low-calorie at 82 kcal per 100g, so it's easy to fit into a deficit.