Ribeye Steak: Calories, Nutrition and Health Benefits

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A cooked 8 oz (227 g) ribeye steak has about 602 calories, 60g of protein and 38g of fat, including about 15g of saturated fat. Per 100 g that is 265 calories, 27g protein and 17g fat. It has no carbs, so the calories come from protein and fat, and the fat depends on the cut and trim.

Quick Nutrition Facts

Per 1 cooked ribeye steak (8 oz, 227 g)

Nutrient	Amount
Calories	602 kcal
Protein	60.4g
Carbohydrates	0g
Fiber	0g
Sugars	0g
Fat	38.1g
Sodium	120 mg

Macronutrient Breakdown

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NUTRITIONIST'S INSIGHT

Ribeye is one of the fattiest everyday steaks, and the calories depend on size and trim more than on the cooking method. A 3 oz portion is about 225 kcal, but a restaurant 12 to 16 oz steak lands between 800 and 1,100 kcal. The protein is excellent at roughly 27g per 100 g, along with iron, zinc and B12. The catch is saturated fat: one 8 oz steak has about 15g, which is more than half of the 13g daily limit the American Heart Association suggests for a 2,000 kcal diet. Eat it as an occasional meal, trim the cap fat if you want to cut calories, and pair it with vegetables or beans for fiber.

Myth Busters

MYTH #1: Ribeye is just protein, so it is a lean muscle food.

TRUTH: Per 100 g it has about 27g protein and 17g fat, so roughly 55% of its calories come from fat. Top sirloin or tenderloin carry about half the fat for a similar amount of protein. USDA FoodData Central: Beef, rib, eye, small end, separable lean and fat, trimmed to 0" fat, choice, cooked, broiled (FDC 169436)

MYTH #2: Steak has carbs that raise blood sugar.

TRUTH: Plain steak has 0g carbohydrate, 0g sugar and 0g fiber. Sauces, glazes, fries and sides are what add carbs. USDA FoodData Central: Beef, rib, eye, small end, separable lean and fat, trimmed to 0" fat, choice, cooked, broiled (FDC 169436)

MYTH #3: Red meat is fine in any amount if it is unprocessed.

TRUTH: Unprocessed red meat is less strongly linked to heart disease than processed meat, but Harvard still advises limiting red meat and favouring fish, poultry, beans and nuts. Portion and frequency matter, and a large ribeye can be over half the daily saturated fat limit. Harvard T.H. Chan School of Public Health: Protein, red meat and health; American Heart Association: Saturated Fat

MYTH #4: Well done steak is the safest and the only safe option.

TRUTH: Whole-cut beef steaks are considered safe at 145 F (63 C) with a 3 minute rest, which is medium rare to medium. Higher temperatures are not required for steaks, though ground beef needs 160 F. FoodSafety.gov: Safe minimum internal temperature chart

NutriScore by Health Goals

Health Goal	NutriScore	Why This Score?
Weight Loss		High protein keeps you full, but 600 kcal for an 8 oz steak is a big share of a day. A 4 to 5 oz portion or a leaner cut fits better. USDA FoodData Central: Beef, rib, eye, small end, separable lean and fat, trimmed to 0" fat, choice, cooked, broiled (FDC 169436)
Muscle Gain		About 60g of complete protein per 8 oz steak, plus iron, zinc and B12 that support training and recovery. USDA FoodData Central: Beef, rib, eye, small end, separable lean and fat, trimmed to 0" fat, choice, cooked, broiled (FDC 169436); NIH Office of Dietary Supplements: Iron fact sheet
Diabetes Management		Zero carbs, so it does not spike glucose on its own. The saturated fat is a long term concern, so keep portions moderate and add fiber. USDA FoodData Central: Beef, rib, eye, small end, separable lean and fat, trimmed to 0" fat, choice, cooked, broiled (FDC 169436); American Heart Association: Saturated Fat
Heart Health		About 15g saturated fat per 8 oz steak is more than half of the AHA suggested 13g daily limit. Fine as an occasional meal, not a daily one. American Heart Association: Saturated Fat; Harvard T.H. Chan School of Public Health: Protein, red meat and health
Keto & Low Carb		0g carbs with high fat and protein, which suits keto and low carb diets. USDA FoodData Central: Beef, rib, eye, small end, separable lean and fat, trimmed to 0" fat, choice, cooked, broiled (FDC 169436)

PERSONALIZED NUTRITION

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Blood Sugar Response to Ribeye Steak

A plain ribeye has no carbohydrate, so it barely moves blood glucose. Protein can cause a small, slow rise, and a high fat meal can delay the glucose from sides such as potatoes or bread. The curve assumes the steak is eaten on its own. USDA FoodData Central: Beef, rib, eye, small end, separable lean and fat, trimmed to 0" fat, choice, cooked, broiled (FDC 169436)

Estimated Blood Sugar Response (1 ribeye, 8 oz)

Modeled estimate for a person without diabetes, not a measured trace. Individual responses vary.

How to flatten the spike

Eat the steak with non-starchy vegetables or a salad before any potatoes or bread.
Keep starchy sides to a small portion, since they drive the real glucose rise.
Skip sugary glazes and BBQ sauce, or use a small amount.
Take a short walk after a large meal to help glucose and digestion.

Cultural Significance

Ribeye is the cut from the rib section of the steer, prized for its marbling, which gives the juicy, rich flavour. It is a centrepiece of American steakhouse and backyard grilling culture, and the bone-in version is sold as a cowboy steak or tomahawk. The name differs by country: it is called Scotch fillet in Australia and New Zealand and entrecôte in France, and the cut is also popular in Argentine parrillas and Korean barbecue. It is often chosen for celebrations and special dinners.

Compare & Substitute

Ribeye Steak vs Similar Foods

Nutrient	Top sirloin steak, broiled (8 oz cooked)	Beef tenderloin / filet mignon, broiled (8 oz cooked)	Chicken breast, cooked (8 oz)	Salmon fillet, cooked (8 oz)
Calories	468 kcal	495 kcal	375 kcal	468 kcal
Protein	68g	66g	70g	50g
Carbohydrates	0g	0g	0g	0g
Fat	21g	25g	8g	27g

Frequently Asked Questions

How many calories are in a ribeye steak?

A cooked 8 oz (227 g) ribeye has about 602 calories. A 3 oz (85 g) portion has about 225 calories, and 100 g has about 265 calories, per USDA data for broiled Choice rib eye with the fat left on.

How much protein is in a ribeye steak?

About 26.6g of protein per 100 g, or roughly 60g in an 8 oz cooked steak.

Does ribeye have carbs?

No. Plain cooked ribeye has 0g carbohydrate, 0g sugar and 0g fiber, which is why it is common on keto and low carb plans.

How much saturated fat is in a ribeye?

About 6.5g per 100 g, or around 15g in an 8 oz steak. The AHA suggests about 13g a day on a 2,000 kcal diet.

Is ribeye healthier than sirloin?

Not on calories or fat. Ribeye has more marbling, so an 8 oz portion has about 130 more calories and roughly twice the fat of top sirloin. Both give plenty of protein.