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Chicken Breast vs Prawns: Calories Compared
Prawns is lower in calories (71 vs 165 per 100g). Chicken Breast has 31g protein per 100g versus 13.6g in Prawns.
Per typical serving, Chicken Breast provides 231 kcal (based on a 140g portion) versus Prawns at 71 kcal (100g). The average adult needs around 2,000 calories per day, so chicken breast contributes 11.6% and prawns contributes 3.5% of that daily target per serving. Getting these numbers right for your own portions starts with a digital kitchen scale.
Full nutrition comparison (per 100g)
| Nutrient | Chicken Breast | Prawns |
|---|---|---|
| Calories | 165 kcal | 71 kcal |
| Protein | 31g | 13.6g |
| Carbohydrates | 0g | 0.9g |
| of which Sugars | 0g | 0g |
| Fat | 3.6g | 1g |
| of which Saturates | 1g | 0.3g |
| Fibre | 0g | 0g |
| Sodium | 74mg | 566mg |
| Potassium | 256mg | 113mg |
| Calcium | 15mg | 54mg |
| Iron | 1mg | 0.2mg |
| Vitamin C | 0mg | 0mg |
| Vitamin A | 6µg | 54µg |
| Selenium | 28µg | 30µg |
| Riboflavin (B2) | 0.1mg | 0mg |
Nutrient-by-nutrient breakdown
- Calories: Chicken Breast has more (165kcal vs 71kcal per 100g) — a difference of 94kcal. Prawns is the lower-calories option if that is your priority.
- Protein: Chicken Breast has more (31g vs 13.6g per 100g) — a difference of 17.4g. Chicken Breast is the stronger source of protein here.
- Carbohydrates: Prawns has more (0.9g vs 0g per 100g) — a difference of 0.9g.
- Sugars: both foods contain the same amount (0g per 100g).
- Fat: Chicken Breast has more (3.6g vs 1g per 100g) — a difference of 2.6g. Prawns is the lower-fat option if that is your priority.
- Saturated fat: Chicken Breast has more (1g vs 0.3g per 100g) — a difference of 0.7g. Prawns is the lower-saturated fat option if that is your priority.
- Fibre: both foods contain the same amount (0g per 100g).
- Sodium: Prawns has more (566mg vs 74mg per 100g) — a difference of 492mg. Chicken Breast is the lower-sodium option if that is your priority.
- Potassium: Chicken Breast has more (256mg vs 113mg per 100g) — a difference of 143mg. Chicken Breast is the stronger source of potassium here.
- Calcium: Prawns has more (54mg vs 15mg per 100g) — a difference of 39mg. Prawns is the stronger source of calcium here.
- Iron: Chicken Breast has more (1mg vs 0mg per 100g) — a difference of 1mg. Chicken Breast is the stronger source of iron here.
- Vitamin c: both foods contain the same amount (0mg per 100g).
- Vitamin a: Prawns has more (54µg vs 6µg per 100g) — a difference of 48µg. Prawns is the stronger source of vitamin A here.
- Selenium: Prawns has more (30µg vs 28µg per 100g) — a difference of 2µg. Prawns is the stronger source of selenium here.
- Riboflavin (b2): Chicken Breast has more (0mg vs 0mg per 100g) — a difference of 0mg. Chicken Breast is the stronger source of riboflavin (B2) here.
Live serving-size calculator
Enter any amount for each food — every figure below recalculates instantly, with % of daily value shown for each nutrient (based on a standard 2,000-calorie reference diet).
| Nutrient | Chicken Breast | % DV | Prawns | % DV |
|---|
* % Daily Value based on a 2,000-calorie reference diet, the same basis used on nutrition labels in the US and UK. Figures update live as you change the amounts above — no page reload.
Substituting one for the other
When substituting one protein source for another, cooking time and method may need adjusting — leaner cuts cook faster and can dry out more easily than fattier ones.
Useful for comparing these foods
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Which should you choose?
If your priority is fewer calories, Prawns is the lower-calorie option at 71 kcal per 100g. If you need more protein, Chicken Breast provides more at 31g per 100g. For lower carbohydrates, Chicken Breast has fewer carbs at 0g per 100g.
Both chicken breast and prawns can form part of a healthy, balanced diet. The best choice depends on your individual goals — whether that is weight management, muscle building, or simply hitting your daily nutritional targets. A meal prep container set makes it easy to portion whichever you choose.
Frequently Asked Questions
Which has more calories, Chicken Breast or Prawns?
Chicken Breast has 165 calories per 100g while Prawns has 71 calories per 100g. Chicken Breast is higher in calories by 94 kcal per 100g.
Which has more protein, Chicken Breast or Prawns?
Chicken Breast contains 31g of protein per 100g. Prawns contains 13.6g of protein per 100g. Chicken Breast has more protein.
Is Chicken Breast healthier than Prawns?
Chicken Breast has 165 kcal, 31g protein, 0g carbs and 3.6g fat per 100g. Prawns has 71 kcal, 13.6g protein, 0.9g carbs and 1g fat per 100g. Which is healthier depends on your goals — higher protein, lower calorie and lower fat foods are generally preferred for weight management.
Which has more fibre, Chicken Breast or Prawns?
Chicken Breast contains 0g of fibre per 100g, and Prawns contains 0g per 100g. Chicken Breast has more fibre. Fibre supports digestion and helps with feeling fuller for longer.
How many calories per serving — Chicken Breast vs Prawns?
A typical 1 breast of chicken breast (140g) is around 231 calories. A typical 100g serving of prawns (100g) is around 71 calories — a difference of 160 kcal per serving in favour of prawns.
Can I substitute Chicken Breast for Prawns in recipes?
When substituting one protein source for another, cooking time and method may need adjusting — leaner cuts cook faster and can dry out more easily than fattier ones.
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Figures per 100g from the USDA FoodData Central database (CC0 1.0).