1 steak (227 g / 8 oz) has about 460 calories.
Sirloin looks lean, but restaurant portions are often 10-12 oz and finished with a pat of butter that quietly adds 100+ calories.
| Calories | 460 kcal |
| Protein | 65 g |
| Carbs | 0 g |
| Fat | 20 g |
About 59% of the calories come from protein, 0% from carbs and 41% from fat. That works out to about 203 calories per 100 g.
Based on the Atwater factors: 4 calories per gram of protein and carbohydrate, and 9 calories per gram of fat.
| Portion | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 steak (227 g / 8 oz) | 460 kcal | 65 g | 0 g | 20 g |
| 100 g | 203 kcal | 28.6 g | 0 g | 8.8 g |
| 200 g | 405 kcal | 57.3 g | 0 g | 17.6 g |
| Half serving | 230 kcal | 32.5 g | 0 g | 10 g |
Values are estimates for a typical serving and vary by preparation. Not medical or dietary advice.
Measure it from a photo — get CalDesk AI