Beef leg protein typically lands between 24–31 g per 100 g cooked, depending on the round or shank cut and trim.
Looking for lean protein that still tastes like beef? The leg section—mainly the round cuts and the shank—delivers a high protein-to-calorie ratio with minimal fat when trimmed well. This guide breaks down protein by cut and serving size, shows how cooking changes yield, and gives you simple ways to estimate grams without a calculator.
Beef Leg Protein Basics
The “leg” in butcher terms points to the round (top, bottom, and eye), the sirloin tip (round tip), and the shank. These muscles work hard, so the meat is lean and dense. That means more protein per gram once cooked and trimmed. You’ll see slight swings based on grade, trim level, and doneness, yet the range stays steady across most round cuts.
Beef Leg Protein Per 100 Grams: Round Cuts Compared
The table below shows typical cooked values from standard database entries for common leg cuts. Numbers represent a practical range you’ll see across USDA-linked datasets for trimmed, cooked meat. Exact figures vary with grade, moisture loss, and surface fat removal.
| Leg Cut (Cooked, Trimmed) | Protein (g) Per 100 g | Notes |
|---|---|---|
| Top Round Roast | 24–26 | Very lean; steady yield across roasts. |
| Eye Of Round Roast | 27–29 | Among the highest per 100 g when cooked lean. |
| Bottom Round Roast | 22–25 | Lean, slightly lower than eye/top round. |
| Sirloin Tip (Round Tip) Roast | 26–28 | Dense texture; strong protein concentration. |
| Rump Roast (Round) | 24–26 | Commonly listed near top round values. |
| Round Steak (Pan-Broiled) | 25–27 | Trim visible fat; cook to medium for moisture. |
| Beef Shank (Braised, Lean) | 27–30 | Collagen softens with time; meat stays lean. |
How Cooking And Trimming Change The Numbers
Moisture Loss Concentrates Protein
Raw round steaks often show ~22–23 g protein per 100 g in lab tables. During cooking, water leaves the muscle. Weight drops, so protein per 100 g of the cooked portion climbs even if total protein in the piece stays similar. That’s why cooked eye of round often posts 27–29 g per 100 g.
Trim Level Matters
“Separable lean only” entries in nutrient databases strip off external fat. If you cook with a fat cap and then carve it away, your plate will look close to “lean only.” Leave more surface fat, and grams per 100 g will slide a bit since fat displaces lean.
Doneness And Cutting Style
Roasts lose moisture more slowly than thin pan-seared steaks. Gentle roasting and braising help retain juiciness without much fat gain. Slice across the grain to keep bites tender without extra sauces or butter.
Quick Estimation Rules You Can Trust
Per Ounce And Per Forkful
Lean cooked beef from the leg averages about 7–8 g protein per ounce. A deck-of-cards piece (3–4 oz cooked) gives ~22–28 g protein. For round cuts, stay near the high end; for bottom round, use the low end of that band.
Per 100 Grams
Use a simple rule: eye of round and sirloin tip sit near 28 g per 100 g; top round and rump sit near 25 g; bottom round near 23 g; shank near 28–30 g if trimmed.
How Much Protein Do You Need?
Most adults can plan with the 0.8 g per kilogram body-weight baseline from the Dietary Reference Intakes. That’s a starting point, not a ceiling. Athletes, pregnant or lactating people, and older adults often target higher intakes under clinician guidance. You can place one rounded serving of round steak at lunch and another at dinner to cover a large share without overdoing calories.
For background on the 0.8 g/kg baseline, see the DRI chapter for protein. It outlines the reference method and life-stage adjustments.
Where The Numbers Come From
Nutrient databases pool lab data for many retail cuts. Round roasts and steaks show consistent protein density once cooked and trimmed. Top round cooked entries often cluster around 24–26 g/100 g, eye of round around 27–29 g/100 g, and bottom round around 22–25 g/100 g. Minor shifts track with grade, water loss, and fat removal.
Label Reading Tips For Round Cuts
Identify The Cut
Packages may read “top round,” “eye of round,” “bottom round,” “sirloin tip,” or “round steak.” All live on the leg. If the label lists “stew beef,” you’ll need to check the fine print or ask the butcher, as stew packs can mix cuts.
Trim And Netting
Roasts often ship in a net. After cooking, remove netting, trim surface fat, and weigh the sliced lean if you want precise protein math. Trimming is the easiest way to lift protein density without changing the cut.
Sodium, Marinades, And Added Solutions
Some packs include added brine. That adds water and sodium, which can nudge protein per 100 g down because the extra water dilutes the lean. If you aim for a higher concentration, choose unenhanced roasts.
Amino Acids And Quality
Beef leg protein supplies all essential amino acids. Round cuts post strong lysine and leucine values per serving, which helps support muscle maintenance when paired with balanced energy intake. If you prefer thinner slices, stack them into a sandwich or grain bowl to spread intake across meals. That spacing can make it easier to meet targets without very large plates at one sitting.
Cooking Methods That Preserve Yield
Roast Low And Slice Thin
Roasting at a moderate oven temperature helps keep moisture in. Rest the roast before carving so juices redistribute. Slice across the grain to avoid toughness.
Braise The Shank
Shank benefits from long, gentle heat. As collagen softens, the meat stays lean while the protein per 100 g remains high. Chill the braising liquid and lift the fat cap if you plan to use the sauce later.
Pan-Sear, Then Finish In The Oven
For round steak, sear in a hot pan to color the surface, then finish in the oven. This keeps the center tender and reduces moisture loss compared with hard searing from start to finish.
Portion Planning For Meals And Prep
Cook a 1.0–1.3 kg top round roast for the week. After trimming and slicing, you’ll net several 100-g portions at ~24–26 g protein each. A larger eye of round roast can deliver even higher numbers per 100 g, which helps if you track protein closely.
Quick Protein By Serving For Popular Round Cuts
Use these cooked estimates for meal math. Pick the band that matches your cut and trim level. Keep in mind: sauces, marinades, and visible fat will change totals slightly.
| Leg Cut (Cooked, Trimmed) | Protein (g) Per 3 oz | Protein (g) Per 4 oz |
|---|---|---|
| Top Round Roast | 21–23 | 28–31 |
| Eye Of Round Roast | 23–25 | 30–33 |
| Bottom Round Roast | 19–21 | 25–28 |
| Sirloin Tip (Round Tip) Roast | 22–24 | 29–32 |
| Rump Roast (Round) | 21–23 | 28–31 |
| Round Steak (Pan-Broiled) | 22–24 | 29–32 |
| Beef Shank (Braised, Lean) | 23–25 | 31–34 |
Cost, Value, And Storage
Pick The Right Cut For Your Budget
Bottom round often prices lower than eye of round and sirloin tip. If you’ll shred or slice thin, the budget cut lands close on protein while saving money. For deli-style slices, eye of round brings the best texture and the highest grams per 100 g.
Batch Cook And Chill Safely
Cool sliced roasts fast in shallow containers. Store in sealed bags with as much air removed as possible. Reheat gently to avoid squeezing out juice.
How Database Values Map To Your Plate
Food databases publish standard entries for “separable lean only” and “with fat trimmed to 0–1/8 inch.” If you weigh your cooked slices without visible fat, your numbers should match the “lean only” entries closely. If you see surface fat on the slices, use the lower end of each band.
Trusted Source Check
When you want specific figures for a label or a macro tracker, check a government table. The USDA’s retail beef cut tables list protein for many round cuts by 100 g, with clear notes on trim level. You can keep a bookmark to the retail beef cuts dataset and cross-reference your cut and cooking style.
Final Notes On Beef Leg Protein
Beef leg protein stays lean, dense, and predictable once you learn the cuts. Top round and rump sit near the mid-20s per 100 g, while eye of round and shank climb closer to the high-20s. Trim carefully, cook gently, and slice thin. Two 3–4 oz servings of cooked round can cover a large share of a day’s target while keeping calories in check.