Sirloin Steak calories & macros
201 calories per 100 g · 342 calories per 6 oz (170 g). Sirloin Steak (top sirloin, lean only, broiled).
Trimmed top sirloin gives you 30.5 g of protein per 100 g for 201 calories — a genuinely lean steak, and considerably lighter than ribeye, which runs closer to 290. A restaurant 6 oz portion is about 342 calories before anything is added to it. What usually moves that number is the finish: butter basting or a sauce can add 100–200 calories without changing what is on the plate visually.
Full nutrition facts
| Nutrient | Per 100 g | Per 6 oz (170 g) |
|---|---|---|
| Calories | 201 | 342 |
| Protein | 30.5 g | 51.9 g |
| Carbohydrate | 0 g | 0 g |
| Fat | 7.6 g | 12.9 g |
Source: USDA FoodData Central (Beef, top sirloin, steak, separable lean only, trimmed to 1/8" fat, broiled). Values are for the edible portion and vary with variety, ripeness, and preparation.
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Frequently asked
How many calories in a 6 oz sirloin steak?
About 342 calories for lean, trimmed top sirloin, with roughly 52 g of protein. Untrimmed cuts and fattier steaks like ribeye run substantially higher.
Is steak good for weight loss?
Lean cuts are excellent — very high protein for a moderate calorie cost, and highly satiating. The cut matters more than the food: sirloin, flank, and eye of round are lean; ribeye and short rib are not.