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Research and methodology by Jitendra Kumar Kumawat, Researcher & Tool CreatorLast updated: May 18, 2026

Chicken, Turkey & Lean Meats

Protein in Sirloin Steak: Protein, Calories, and Meal Ideas

Sirloin steak is a leaner steak cut that combines complete protein with iron, zinc, B12, and more calories than poultry.

Protein per serving

37g

150 g cooked sirloin steak / about 5.3 oz

Calories per serving

309

150 g serving

Protein per 100g

25g

206 calories per 100 g

Protein density

12.1g

protein per 100 calories

Sirloin Steak Nutrition Snapshot

MeasureAmountProteinCalories
Typical serving150 g cooked sirloin steak / about 5.3 oz37g309
Per 100 g100 g25g206
Protein density100 calories12.1g100

Representative source entry: Beef, top sirloin, steak, separable lean only, trimmed to 0 inch fat, all grades, cooked, broiled. Trim visible fat and track butter, oil, and steak sauces separately. Different steak cuts vary widely in calories.

Good for weight loss? Good

Sirloin can fit weight loss when portions are controlled, but it has more calories than very lean poultry or white fish.

Good for muscle gain? Excellent

Sirloin steak is a strong muscle-gain food because it provides complete protein, calories, and micronutrients common in red meat.

Meal Ideas with Sirloin Steak

Sirloin with potatoes and salad

Steak rice bowl with peppers

Steak tacos with Greek yogurt crema

Sirloin and eggs breakfast plate

Tracking Tips

  • Use the specific steak cut when tracking.
  • Trimmed lean-only values are lower calorie than untrimmed steak.
  • Track cooking fat separately.

Compare Similar Protein Foods

Common Questions

How much protein is in sirloin steak?

Sirloin Steak has about 25 g of protein per 100 g. A typical 150 g cooked sirloin steak / about 5.3 oz serving has about 37 g of protein.

Is sirloin steak good for weight loss?

Sirloin can fit weight loss when portions are controlled, but it has more calories than very lean poultry or white fish.

Is sirloin steak good for muscle gain?

Sirloin steak is a strong muscle-gain food because it provides complete protein, calories, and micronutrients common in red meat.

Sources reviewed

Disclaimer: Nutrition values are representative estimates based on USDA FoodData Central entries and common serving sizes. Actual values vary by brand, cut, cooking method, draining, and added ingredients.