How many calories and protein are in a 16 oz grass-fed ribeye?

A 16 oz (1 lb) raw grass-fed ribeye provides approximately 95.2g of protein and 76.8g of fat for approximately 1,072 total calories.

Why is grass-fed ribeye fat considered healthy?

Grass-fed beef fat contains high amounts of stearic acid (which does not raise LDL cholesterol) and Conjugated Linoleic Acid (CLA), which supports metabolic health.

How much does a bone-in ribeye lose to bone weight?

The rib bone typically accounts for 16% to 20% of total scale weight. A 20 oz bone-in ribeye yields approximately 16.4 oz of edible meat.

Why is the Spinalis Dorsi (Ribeye Cap) higher in fat than the center eye?

The Spinalis Dorsi muscle experiences less continuous mechanical strain during locomotion than the central Longissimus Dorsi, naturally accumulating higher concentrations of intramuscular triglycerides and monounsaturated oleic acid.

How much protein is in a 16 oz bone-in cowboy ribeye steak?

After subtracting the 18% bone tare (approx. 2.9 oz), a 16 oz bone-in cowboy ribeye contains approximately 13.1 oz of edible meat, delivering 78.0g of pure protein and 62.9g of fat.

Does grass-fed ribeye have fewer calories than grain-fed ribeye?

Yes. Pasture-raised cattle have ~25%–35% less overall intramuscular fat mass than grain-fed feedlot cattle, reducing total calories per 12 oz steak from ~1,000+ kcal down to ~804 kcal while increasing omega-3 and CLA density.

Grass-Fed Ribeye Steak Protein & Fat Macro Calculator

Protein & Nutrition Engines

Precision Protein, Intrinsic Fat & Leucine Calculator for Ribeye Steaks

Calculate the exact bioavailable protein grams, intramuscular lipid content, and cooked plate yield of 100% grass-fed ribeye steaks based on raw cut weight (8oz–24oz), bone-in vs boneless cuts, and fat cap trimming options.

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⚙️ Variables & Parameters

Raw Ribeye Weight 14 oz raw

Bone Inclusion

Fat Cap Trimming

Target Doneness

⚡ Live Biophysical Calculations

Total Bioavailable Protein

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Net Pure Protein

Total Intrinsic Fat

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Grass-Fed Lipids

Cooked Plated Weight

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Edible Steak Mass

Total Meal Calories

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Protein + Fat Energy

Fat-to-Protein Mass Ratio

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Grams Fat / Grams Pro

The King of Steaks

Grass-Fed Ribeye Steak Protein & Fat Macro Calculator

A raw 100% grass-fed ribeye steak delivers 5.95 grams of pure protein and ~4.8 grams of intrinsic natural fat per ounce. A standard 14 oz raw boneless cut yields approximately 83.3g of bioavailable protein and 7.0g+ of pure L-leucine, cooking down to ~10.6 oz of richly marbled, juicy plated meat.

Ribeye features the prized spinalis dorsi (ribeye cap) and longissimus dorsi (ribeye eye), delivering the optimal 1:1 fat-to-protein caloric balance demanded by ketogenic and carnivore high-performance athletes.

🥩 Artisan Bone-In Ribeye

100% Grass-Fed Bone-In Ribeye: Rich Marbling, Zero Grain

Our signature Bone-In Ribeyes are hand-cut from pasture-raised cattle finished exclusively on nutrient-dense forage. Expect deep beefy richness, golden beta-carotene fat caps, and sublime tenderness without artificial grain feeding.

83g+ Protein per 14 oz Cut

Massive anabolic amino acid bolus with 7.0g+ bioavailable leucine.

Rich in Stearic Acid (C18:0)

Healthy saturated fatty acids that support mitochondrial energy uncoupling.

Dry-Aged for 21 Days

Concentrates deep primal flavor while naturally tenderizing the muscle matrix.

100% Grass-Fed & Pasture-Raised • Flash-Frozen at Peak Freshness • Zero Added Hormones Order Bone-In Ribeye

Stearic Acid & Mitochondrial Activation

Grass-fed ribeye fat is rich in stearic acid (C18:0), a unique long-chain saturated fat that promotes mitochondrial fusion, increases fatty acid oxidation, and supports clean cellular energy without insulin spikes.

The Spinalis Dorsi Advantage

The spinalis dorsi cap muscle contains high concentrations of slow-twitch oxidative fibers with dense myoglobin content, delivering superior heme iron absorption and intense flavor compared to any other steak cut.

Ribeye Portion Sizing & Macro Reference Table

Raw Ribeye Weight	Cooked Plated Mass	Total Protein	Natural Fat	Total Calories	Leucine Yield
10 oz Boneless	7.6 oz (215g)	59.5 g	48 g	670 kcal	5.06 g
12 oz Boneless	9.1 oz (258g)	71.4 g	58 g	806 kcal	6.07 g
14 oz Boneless (Standard)	10.6 oz (300g)	83.3 g	67 g	940 kcal	7.08 g
16 oz Cowboy Cut (Bone-In)	9.8 oz Edible	77.3 g	62 g	872 kcal	6.57 g

Master Ribeye Pan Sear & Rendering Protocol

1. Edge-Render the Fat Cap: Before laying flat, hold the steak vertically with tongs in a hot cast iron skillet for 60 seconds to render the outer fat cap into natural cooking oil.
2. Target 132°F Equilibrium: Ribeye fat renders into luscious silkiness between 130°F and 135°F. Aim for a target plate equilibrium of 132°F for maximum juiciness.
3. Drizzle Rendered Pan Juices: Never discard the skillet drippings; spoon the nutrient-rich rendered grass-fed tallow directly over your sliced steak.

Chef & Nutritionist Troubleshooting Protocol

Issue: The thick fat cap remains white and chewy

Cause: Cooked too fast without direct heat on the fat strip. Fix: Sear the fat edge directly against the skillet wall for 90 seconds.

Issue: Bone-in ribeye cooking unevenly near the rib bone

Cause: Bone acts as a thermal insulator. Fix: Use a reverse sear at 225°F to ensure uniform core temperature before flash searing.

Frequently Asked Questions

How much protein is in a 16 oz ribeye steak?

A 16 oz boneless raw ribeye contains approximately 95.2g of protein. If bone-in, it nets ~77g of protein after deducting ~20% bone tare.

Why is grass-fed ribeye fat yellow instead of white?

The golden hue comes from natural beta-carotene and lutein absorbed from green pastures, indicating superior nutrient density and high antioxidant content.

What is the difference between bone-in and boneless ribeye protein?

Bone-in ribeye contains the same muscle protein density, but ~18%–22% of the scale weight is non-edible bone. You need a slightly larger raw bone-in cut to yield equal edible protein.

Is ribeye fat healthy on a carnivore or keto diet?

Yes. 100% grass-fed ribeye fat is predominantly stearic and oleic acid with an optimal omega-6 to omega-3 ratio of nearly 1.5:1, supporting hormonal health and deep satiety.

Experience the Ultimate Grass-Fed Bone-In Ribeye

Indulge in thick-cut, 21-day dry-aged Bone-In Ribeyes raised on regenerative pastures and delivered directly to your kitchen.

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100% Grass-Fed & Finished Zero Hormones or Grain Feed Rancher-Direct Flash Frozen Delivery