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Protein in Sirloin Steak: How Much per 100g and per Portion

A 100g portion of lean, grilled rare sirloin steak provides 26.4g of protein. It is a very protein-dense food, with protein accounting for 64% of its total energy. This means for every 100 kcal, you get about 16g of protein.

26.4gprotein per 100g
166kcal per 100g
15.9gprotein per 100 kcal
64%of energy from protein

CoFID 18-068 · Beef, sirloin steak, grilled rare, lean

What the numbers say

  • Protein per calorie. Sirloin steak provides 15.9g of protein for every 100 kcal consumed. Protein makes up 64% of the total energy in this cut, with the remainder coming from fat.
  • UK nutritional colours. Based on UK front-of-pack guidance, 100g of this steak is rated ‘medium’ for fat and saturated fat content. It is rated ‘low’ for both sugars and salt.
  • Fat and carbohydrate. This cut of steak contains 6.7g of fat and 3.0g of saturated fat per 100g. It contains no carbohydrate or sugars.
  • Fibre information. The official UK food composition data does not provide a value for the fibre content of grilled sirloin steak.

Sirloin Steak macros per 100g

Per 100g Amount % RI Colour
Energy 166 kcal
697 kJ
8% –
Protein 26.4g 53% –
Fat 6.7g 10% medium
of which saturates 3g 15% medium
Carbohydrate 0g 0% –
of which sugars 0g 0% low
Fibre n/a – –
Salt 0.16g 3% low

% RI is the share of the adult reference intake used on UK food labels (protein 50g, energy 2,000 kcal). Label colour applies the FSA front-of-pack bands for fat, saturates, sugars and salt per 100g. “Trace” means CoFID reports only a trace amount.

Protein in sirloin steak by amount

Amount Protein kcal Carbs Fat
100g 26.4g 166 0g 6.7g
150g 39.6g 249 0g 10.1g
200g 52.8g 332 0g 13.4g

Example amounts for comparison, not recommended portions. Weigh your own serving.

Amount of sirloin steak for 20g or 30g of protein

20g protein76gabout 126 kcal
30g protein114gabout 189 kcal
  • To hit a 30g protein target, you would need a 114g portion of this steak, which would provide 189 kcal and 7.6g of fat.
  • A smaller 76g amount supplies a 20g protein portion for 126 kcal.
  • These nutritional values are for lean sirloin steak that has been grilled rare. The protein and fat content will differ for raw steak or steak cooked differently.

How it compares with other meats

Among 137 different foods, lean grilled sirloin steak ranks 13th for protein content per 100g. Within the meats category, it places 10th out of 28. Its protein content of 26.4g per 100g is slightly less than that of Fillet Steak (29.1g) and Turkey Mince (28.6g). It has almost the same amount of protein as Chicken Drumsticks (26.6g) and slightly more than Chicken Thigh (25.6g). For protein density per calorie, it ranks 30th overall, as some poultry like chicken drumsticks offer more protein for fewer calories.

Per 100g Protein kcal Protein per 100 kcal
Sirloin Steak 26.4g 166 15.9g
Turkey Mince 28.6g 176 16.2g
Fillet Steak 29.1g 188 15.5g
Chicken Drumsticks 26.6g 152 17.5g
Chicken Thigh 25.6g 180 14.2g

Quick answers

Is sirloin steak a high-protein food?

Yes, with 26.4g of protein per 100g, it is a high-protein food. It ranks among the top 10% of foods on this site for protein content.

How much fat is in a lean sirloin steak?

A 100g portion of lean, grilled rare sirloin steak contains 6.7g of fat and 3.0g of saturated fat. This is classified as a ‘medium’ fat and ‘medium’ saturated fat food.

How much salt is in grilled sirloin steak?

Grilled sirloin steak is naturally low in salt, containing just 0.16g per 100g. This is well within the ‘low’ threshold for the UK’s front-of-pack colour-coded system.

When to speak to a GP or dietitian

  • If you have chronic kidney disease, you may have been given a protein target. Check with your renal team or GP before raising your protein intake.
  • If tracking protein or calories starts to feel stressful or takes over your day, talk to your GP. Our safety note lists support services.