Calories in Ribeye Steaks: Nutrition Facts & Serving Sizes
Per 1 steak (249g)
Per 100g
Source: USDA FoodData Central, SR Legacy, March 2026.
A ribeye steak (249g) contains about 466 calories, with 48.6g of protein, 28.4g of fat, and 4.5g of carbs. Per 100g the breakdown is 187 calories, 19.5g of protein, and 11.4g of fat. Ribeye is well-known for its fat marbling, which gives it a rich flavor and contributes to its higher fat content compared to leaner cuts like sirloin or chicken breast. It delivers 7.8mg of zinc per 100g, one of the highest zinc values of any common food, along with 3.2mcg of vitamin B12 and 25.5mcg of selenium per 100g. Ribeye is a premium cut for anyone serious about protein intake who wants a satisfying, nutrient-dense meal that supports muscle building and recovery.
Nutrition Highlights
Calories by Serving Size
| Serving | Cal | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| 1 steak (249g) | 465.6 | 48.6g | 4.5g | 28.4g | 0g |
| 4 oz (113g) | 211.3 | 22g | 2g | 12.9g | 0g |
| 100g | 187 | 19.5g | 1.8g | 11.4g | 0g |
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Full Nutrition Facts (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 187 | 9% |
| Protein | 19.5g | 39% |
| Total Fat | 11.4g | 15% |
| Saturated Fat | 4.4g | 22% |
| Trans Fat | 0.5g | |
| Total Carbohydrates | 1.8g | 1% |
| Dietary Fiber | 0g | |
| Sugars | 0g | |
| Sodium | 88mg | 4% |
| Cholesterol | 64mg | 21% |
Vitamins & Minerals (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Saturated Fat | 4.4g | 1% |
| Trans Fat | 0.5g | 0% |
| Cholesterol | 64mg | 21% |
| Calcium | 6mg | 0% |
| Iron | 2.6mg | 14% |
| Potassium | 357mg | 8% |
| Vitamin A | 2mcg | 0% |
| Vitamin D | 0.1mcg | 1% |
| Vitamin B6 | 0.4mg | 24% |
| Vitamin B12 | 3.2mcg | 133% |
| Magnesium | 24mg | 6% |
| Phosphorus | 210mg | 17% |
| Zinc | 7.8mg | 71% |
| Selenium | 25.5mcg | 46% |
| Folate | 3mcg | 1% |
| Thiamin (B1) | 0.1mg | 8% |
| Riboflavin (B2) | 0.2mg | 15% |
| Niacin (B3) | 3.5mg | 22% |
% Daily Values based on a 2,000 calorie diet (FDA reference).
Health Benefits of Ribeye Steaks
Ribeye steak is one of the most nutrient-dense animal protein sources available. The 19.5g of protein per 100g is high-quality complete protein containing all essential amino acids, making it highly effective for muscle protein synthesis and recovery after resistance training.
The zinc content of 7.8mg per 100g is exceptional. Zinc supports testosterone production, immune function, protein synthesis, and wound healing. Those in active training have higher zinc requirements, and ribeye is one of the most efficient ways to meet them.
At 3.2mcg of vitamin B12 per 100g, ribeye provides a substantial portion of the daily recommended intake in a single serving. Vitamin B12 is critical for red blood cell production, neurological function, and DNA synthesis. It is only found naturally in animal products.
The 25.5mcg of selenium per 100g supports antioxidant enzyme function, thyroid health, and helps neutralize oxidative stress from training. Iron at 2.6mg per 100g also contributes to oxygen transport and energy metabolism.
Ribeye is higher in saturated fat than leaner cuts at 4.4g per 100g, so overall dietary fat balance is worth considering. But for total protein and micronutrient density, few foods compete with a quality ribeye.
Dietary Considerations
Ribeye steak is naturally gluten-free, dairy-free, and paleo-friendly. It is not vegan or vegetarian. Keto-friendly given its zero carb content and high fat and protein levels. Excellent for muscle-building diets due to high protein and micronutrient density. Contains 64mg of cholesterol per 100g, relevant for those monitoring dietary cholesterol. Not suitable for plant-based diets. No common allergens beyond the meat itself.
Daily Intake (100g)
100g of ribeye steak provides 9% of a 2,000-calorie diet.
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Frequently Asked Questions
How many calories in a ribeye steak?
A whole ribeye steak (249g) contains about 466 calories. Per 100g, ribeye has 187 calories. A 4 oz portion (113g) has approximately 211 calories.
Is ribeye steak good for weight loss?
Ribeye can fit a weight-loss diet because of its high protein content (19.5g per 100g), which supports satiety and muscle retention during a calorie deficit. The key is portion control, as the fat marbling makes it calorie-dense compared to leaner cuts.
How much protein is in a ribeye steak?
A ribeye steak (249g) provides about 48.6g of protein. Per 100g the protein content is 19.5g. A 4 oz serving (113g) delivers approximately 22g of protein.
Is ribeye steak keto-friendly?
Yes. Ribeye steak is one of the best keto foods. It contains 1.8g of carbs per 100g (essentially zero net carbs) with high fat and protein content that aligns well with ketogenic macro ratios.
How does ribeye compare to sirloin?
Ribeye has more fat and flavor at 11.4g fat per 100g compared to sirloin at roughly 5g per 100g. Both are high in protein. Ribeye is richer and more calorie-dense. Sirloin is the leaner option for cutting phases.
How much zinc is in ribeye steak?
Ribeye steak contains 7.8mg of zinc per 100g, which is one of the highest concentrations found in any commonly eaten food. A full steak (249g) provides about 19.4mg of zinc.
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