How Many Calories Are In Prawns? | Lean Protein Facts

Calories In Prawns: Sizes, Styles, And Add-Ins

Prawns pack plenty of protein for few calories. Plain cooked pieces average about 100 calories per 3 ounces, based on the U.S. Food and Drug Administration’s cooked seafood table. That same serving on MyFoodData can read around 84 calories, which reflects lean, no-oil cooking.

If your plate includes breading, extra oil, or rich sauces, the number climbs. A breaded and fried 3-ounce portion reaches about 206 calories.

Prawn Calories By Portion And Cooking Style

Portion / Style	Calories	Source
3 oz (84–85 g), cooked, plain	~84–100	FDA; MyFoodData
100 g, cooked, plain	~119	FDA conversion per 100 g
1 large prawn (≈22 g), cooked	~22–26	FDA/MFD per-piece estimate
3 oz, breaded & fried	~206	MyFoodData
6 large prawns + 2 tbsp cocktail sauce	~180–230	FDA + typical sauce

Shellfish such as prawns are low in fat and deliver minerals like selenium, zinc, iodine, and copper, a point echoed by the NHS overview on fish and shellfish. NHS fish & shellfish nutrition.

How Many Calories Are In Prawns Per 100 G, 3 Oz, And Per Piece?

Per 3 oz (84–85 g): plan on roughly 80–100 calories for plain cooked prawns. The FDA table lists 100 calories per 3 ounces. MyFoodData’s cooked entry shows 84 calories for the same weight when no oil is involved.

Per 100 g: the same data translate to about 119 calories. That conversion aligns with the FDA’s 100 calories per 84 g serving.

Per piece: a large cooked prawn weighs around 20–22 g, so one piece lands near 22–26 calories, depending on moisture and add-ins. This estimate stems from the same datasets above.

Raw Vs Cooked Prawns

Raw prawns hold more water. Cooking reduces water and concentrates nutrients, so calories per 100 g rise a little after cooking. That is why you’ll see about 119 calories per 100 g cooked in the FDA table.

Cooking Method Changes The Count

Poached or boiled: lean and steady. Expect values near the low end of the range per serving.

Grilled or sautéed: a teaspoon of oil adds about 40 calories. Olive oil (1 tsp).

Breaded and fried: the batter and oil push the total higher; 3 ounces lands near 206 calories.

Calories In Prawns By Size And Style: Smart Swaps

Want the lightest plate? Pick plain cooked prawns and keep sauces modest. A classic shrimp cocktail offers an easy target: six large pieces come in around 130–160 calories, then sauce adds 35–70 calories per 2 tablespoons depending on brand.

Garlic butter brings flavor and a fast calorie bump. One tablespoon of butter adds about 102 calories. Butter (1 tbsp).

Prawn Dish Math

Everyday Plates And Estimated Calories

Dish	Typical Serving	Calories
Shrimp cocktail	6 large prawns + 2 tbsp cocktail sauce	~165–230
Garlic butter prawns	5 large prawns + 1 tbsp butter	~210–235
Grilled prawns, brushed	6 large prawns + 1 tsp oil	~190–220
Breaded fried prawns	3 oz cooked	~206
Tempura prawns	4 pieces	~300–520

Nutrition Benefits You Still Get With Prawns

Prawns supply complete protein and helpful micronutrients. Selenium, vitamin B12, iodine, zinc, and copper show up in useful amounts. The NHS notes shellfish are low in fat and include these minerals. NHS shellfish facts.

Plain cooked servings also keep sodium modest at the table if you skip heavy brines and sauces. Choose boiling, steaming, or grilling with minimal oil, then season with lemon, herbs, chili, or black pepper.

Simple Ways To Keep Prawn Calories Low

Cook Light

• Poach in salted water, then chill for salads.
• Steam with aromatics for clean flavor.
• Grill hot and fast; brush lightly, not generously.

Choose Lean Sauces

• Pick tomato-based cocktail sauce over heavy mayo blends.
• Swap creamy dips for yogurt-lime with herbs.
• Finish with lemon and fresh chili instead of butter.

Portion With A Plan

• Weigh 3 ounces cooked for a tidy 80–100 calories.
• Count pieces: five to six large prawns usually land near that mark.
• Keep breaded sides small or occasional.