How many calories in
mackerel?
Atlantic mackerel is calorie-dense for fish — 305 calories per 100g, with 25g of fat that's largely omega-3. It's one of the highest-omega fish you can buy, well above salmon. The strong flavor means portion sizes are usually smaller, which keeps calories reasonable.
Common serving sizes.
Calories scale with portion. Here's how a typical mackerel serving translates in your tracker:
What 305 calories means.
Calorie-dense and fatty — 25 g of fat per 100g (Atlantic) means small portions add up fast, so weigh it rather than eyeballing.
Skip the lookup. Snap the plate.
Point your iPhone camera at mackerel 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 mackerel?
Mackerel has approximately 305 calories per 100g (Atlantic). A typical serving — 1 fillet (88g) — comes in at 268 calories.
How much protein is in mackerel?
19g of protein per 100g (Atlantic). That puts mackerel at roughly 6.2g of protein per 100 calories — a useful lens when comparing to other protein sources.
How do I log mackerel 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 mackerel good for weight loss?
It depends on your overall calorie target. Mackerel sits in a moderate calorie range. It can fit any goal — weight loss, maintenance, or muscle gain — when portioned to your daily target.