Marks and Spencer

King prawns — Calories, Nutrition & Ingredients

UPC 94207 Shrimps Updated 16 Oct 2026

Photo: Open Food Facts contributors, CC BY-SA 3.0

Calories: 80per 100 g
Protein: 18.4 gper 100 g
Carbs: 0.1 gper 100 g
Fat: 0.6 gper 100 g

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Per 100 g, King prawns has 80 calories, 18.4 g protein and 0.6 g fat.

Label highlights: Fat: low Saturates: low Sugars: low Salt: medium

Nutrition

Typical values	Per 100 g
Energy	335 kJ / 80 kcal
Fat	0.6 g
of which saturates	0.5 g
Carbohydrate	0.1 g
of which sugars	0.1 g
Fibre	0.1 g
Protein	18.4 g
Salt	0.83 g

Calculated from Open Food Facts per-100 g data for the stated serving; values may differ slightly from the package label because of rounding.

Per 100 g and custom amounts

Nutrition per amount

80 calories in 100 g

Protein18.4 g

Carbohydrates0.1 g

Sugars0.1 g

Fibre0.1 g

Fat0.6 g

Saturated fat0.5 g

Sodium332 mg

Ingredient flags

Ingredient list not available — flags cannot be shown.

Data: Open Food Facts (ODbL) · Photo: Open Food Facts contributors (CC BY-SA)

Where to buy King prawns

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Healthier swaps

Same category, better nutrition per 100 g (see methodology).

Tesco Organic King Prawns Protein 19.1 g · 78.7 kcal per 100 g

−0.4 g sat. fat−331 mg sodium−1.3 calories

We compare per-100 g values from Open Food Facts. A swap must be at least as good on sugars, saturates, salt, calories, protein and fibre (where listed) and strictly better on at least one of those nutrients. Check the label for your portion size.

Frequently asked questions

How many calories are in King prawns?

Per 100 g of King prawns there are 80 calories.

How much protein is in King prawns?

Per 100 g of King prawns there are 18.4 g protein.

How many carbohydrates are in King prawns?

Per 100 g of King prawns there are 0.1 g carbohydrates. Of which 0.1 g sugars.

How much sugar is in King prawns?

Per 100 g of King prawns there are 0.1 g sugars.

How much sodium (salt) is in King prawns?

Per 100 g of King prawns there are 332.0 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.

How much fibre is in King prawns?

Per 100 g of King prawns there are 0.1 g fibre. Fibre is important for digestive health.

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Nutrition breakdown

Macronutrients

Types of fat

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