Affiliate links on this page — disclosure. As an Amazon Associate, CJ Affiliate, and AWIN publisher we earn from qualifying purchases.
How Many Calories in Prawns?
Circle DNA Nutrition & Diet Report
Find out how your genes affect the way your body processes nutrients, carbs and fat. DNA-personalised diet plan based on 500+ genetic markers.
Get Your DNA Nutrition Report →Affiliate links:
Quick reference — common serving sizes
| Amount | Calories | Protein |
|---|---|---|
| 1 oz (28g) | 20 kcal | 3.9g |
| 100g | 71 kcal | 13.6g |
A prawns contains 71 calories per 100g. A typical 100g serving (100g) provides about 71 calories. Prawns is low in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.
Prawns Nutrition Facts
| Nutrient | Per 100g | Per serving (100g) |
|---|---|---|
| Calories | 71 kcal | 71 kcal |
| Protein | 13.6g | 13.6g |
| Carbohydrates | 0.9g | 0.9g |
| of which Sugars | 0.0g | 0.0g |
| Fat | 1.0g | 1.0g |
| of which Saturates | 0.3g | 0.3g |
| Fibre | 0.0g | 0.0g |
| Sodium | 566.0mg | 566mg |
| Potassium | 113.0mg | 113mg |
| Calcium | 54.0mg | 54mg |
| Iron | 0.2mg | 0.2mg |
| Vitamin C | 0.0mg | 0.0mg |
| Vitamin A | 54.0µg | 54µg |
| Selenium | 29.6µg | 30µg |
| Riboflavin (B2) | 0.0mg | 0.0mg |
% of Daily Value (per 100g)
Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.
- High in protein (27% DV) — an excellent source
- Low in saturated fat (2% DV)
- High in selenium (54% DV) — an excellent source
- High in sodium (25% DV) — worth weighing against your daily intake if you're watching this specifically
- Calories: 4% DV
- Protein: 27% DV
- Carbohydrates: 0% DV
- Fibre: 0% DV
- Fat: 1% DV
- Saturated fat: 2% DV
- Sodium: 25% DV
- Potassium: 2% DV
- Calcium: 4% DV
- Iron: 1% DV
- Vitamin C: 0% DV
- Vitamin A: 6% DV
- Selenium: 54% DV
- Riboflavin (B2): 0% DV
Useful for tracking prawns
Affiliate links — we earn a commission at no extra cost to you. Disclosure ›
MORiSH Pork Chicharrónes
79% protein, zero carbs. Air-fried, not baked. One of the cleanest macros of any snack.
Shop MORiSH →Have a cat or dog? Check whether prawns is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. Use a meal prep container set to portion out prawns for the week. Tracking supplements too? Check drug and supplement interactions before combining anything new.
Good to know
Cooking method changes the final calorie and fat count more than the cut itself — grilling, baking or steaming typically adds nothing, while frying can add a meaningful amount of fat per serving.
Does prawns fit your diet?
Low-carb / keto
Prawns contains 0.9g of carbohydrate per 100g, low enough to fit comfortably within most low-carb or ketogenic daily carb allowances — check the fat and protein split above against your specific macro targets.
Frequently Asked Questions
How many calories in prawns per 100g?
Prawns (known as shrimp in the US) contains 71 calories per 100g, based on USDA reference data.
Is prawns high in calories?
A 100g serving of prawns (100g) has around 71 calories — roughly 4% of a 2,000-calorie daily intake.
Is prawns good for weight loss?
At 71 calories per 100g, prawns is relatively low in calories and can fit well into a weight-loss diet. A 100g serving provides about 71 calories.
How much protein is in prawns?
Prawns contains 13.6g of protein per 100g.
Is prawns a good source of fibre?
Prawns is relatively low in fibre at 0.0g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.
How does prawns compare to fish, flatfish (flounder and sole species), raw?
Prawns has 71 calories per 100g, close to fish, flatfish (flounder and sole species), raw at 70 — 1 calories more per 100g. See the full macro breakdown above.
Is prawns keto-friendly?
Prawns contains 0.9g of carbohydrate per 100g, which fits comfortably within most ketogenic daily carb allowances — check it against your specific daily carb target.
How many servings of prawns for 20g of protein?
With 13.6g of protein per 100g, you'd need roughly 147g of prawns to reach 20g of protein
Foods with a similar calorie count
Other meat & fish closest to prawns by calories per 100g:
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Prawns (this page) | 71 kcal | 13.6g | 0.9g | 1.0g |
| Fish, Flatfish (flounder and Sole Species), Raw | 70 kcal | 12.4g | 0.0g | 1.9g |
| Crustaceans, Crayfish, Mixed Species, Farmed, Raw | 72 kcal | 14.8g | 0.0g | 1.0g |
| Fish, Pollock, Alaska, Raw (not Previously Frozen) | 70 kcal | 17.2g | 0.0g | 0.2g |
| Fish, Cod, Pacific, Raw (not Previously Frozen) | 72 kcal | 17.5g | 0.0g | 0.2g |
| Lamb, New Zealand, Imported, Sweetbread, Raw | 72 kcal | 11.0g | 0.0g | 3.2g |
| Fish, Cod, Pacific, Raw (may Have Been Previously Frozen) | 69 kcal | 15.3g | 0.0g | 0.4g |
More kit for prawns tracking
Affiliate links — we earn a commission at no extra cost to you. Disclosure ›
Build Your Own Supplement Blend
Choose exactly what's in it — a personalised daily supplement mixed to order in the UK from 200+ ingredients, no fillers or proprietary blends.
Build Your Blend →Last updated:
Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.