8 oz (227 g) has about 770 calories.
Heavily marbled and served au jus with fatty drippings, a standard prime rib cut is one of the most calorie-dense steakhouse orders.
| Calories | 770 kcal |
| Protein | 54 g |
| Carbs | 0 g |
| Fat | 61 g |
About 28% of the calories come from protein, 0% from carbs and 72% from fat. That works out to about 339 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 |
|---|---|---|---|---|
| 8 oz (227 g) | 770 kcal | 54 g | 0 g | 61 g |
| 100 g | 339 kcal | 23.8 g | 0 g | 26.9 g |
| 200 g | 678 kcal | 47.6 g | 0 g | 53.7 g |
| Half serving | 385 kcal | 27 g | 0 g | 30.5 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