How Much Protein Is in Chicken breast — and What It Costs in Ireland

Chicken breast at a glance

There's around 23g of protein per 100g of chicken breast (raw fillet), so a typical 150g serving gives you roughly 34.5g. At its cheapest that works out at 23.0g of protein per euro (Aldi), which makes chicken breast the #9 best-value of the 12 staples we track across Irish supermarkets. See the full protein-per-euro ranking.

Full nutrition, per 100 calories

Chicken breast carries roughly 110 kcal per 100g (about 165 kcal in a 150g serving). The most useful way to judge a food for fat loss isn't per 100g — it's what you get for every 100 calories you eat. Here's how chicken breast stacks up per 100 calories:

The higher the protein figure here, the more filling chicken breast is for the calories — which is exactly what you want when you're eating in a deficit. A high protein-per-calorie food keeps you full on fewer calories.

Source values per 100g: 110 kcal · 23g protein · 0g carbs · 2.5g fat. Standard reference nutrition figures for chicken breast (raw fillet).

Price across Irish supermarkets

Prices checked Jul 2026, RoI. Prices are indicative own-brand figures and vary by store, pack size and season — a starting point, not a live quote.

How much to hit your protein target

At 34.5g of protein per 150g serving, hitting a 150g daily protein target from chicken breast alone would take about 4.3 servings (roughly €6.51 at Aldi prices). In practice you'd spread that across two or three protein sources — use the macro calculator to set your own number first.

2 cheap high-protein recipe ideas

• Batch-grill 1kg on a Sunday, slice over rice and frozen veg for five lunches at roughly €1.60 a portion.
• Dice into a chicken-and-chickpea curry with a tin of tomatoes for about 45g protein a bowl.

More poultry protein value

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