Calories in Prawns (Ireland)

Use these numbers

Find the food here, then set a daily calorie target or log it in the tracker.

Prawns ranked by protein density

Showing the top 50 of the 129 prawns products that carry a comparable calorie figure, ranked by protein per 100 calories. Figures per label, sourced from Open Food Facts and tracker user logs, last checked 2026-09-18.

What the prawns numbers show

Median across all 129 of them is 8.6g of protein per 100 calories. 61 clear 10g of protein per 100 calories — about one in two, and 10g is the line Keith uses for a food that pays for its calories.

Calories run from 48 to 566 per 100g inside this one group, a 12-fold spread, so “prawns” on its own tells you almost nothing about what a portion costs you.

Own-brand is not the compromise here. The supermarket own-label median is 11.2g of protein per 100 calories across 63 products, against 6.1g for the 66 name-brand ones.

What to actually pick

On the numbers the pick is Lidl Lighthouse Bay King Prawns 150g: 24.1g of protein per 100 calories, 2.8 times the 8.6g median for the group.

8 of the 129 carry 400 calories or more per 100g — the ones worth weighing rather than eyeballing.

Where this fits

A protein-per-calorie number is only useful once you know the target, and that is how much protein a day actually works out to.

For one specific product rather than the whole group, the 20,000-product database is searchable on Calories in Ireland, and the same figures are built into the calorie app.

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