Ground beef is the most purchased beef product in America and the one with the most confusing labeling. The lean-to-fat ratio is printed on every package, but most people have no idea what it means for their specific recipe. Here is the complete guide.
Direct Answer
80/20 is the best for burgers, meatloaf, and anything where you want juicy, flavorful results — the 20% fat provides moisture and beefy flavor. 90/10 is the best all-purpose grind for tacos, pasta sauce, casseroles, and stir-fries where you will drain the fat anyway. 93/7 is the leanest widely available option, best for health-conscious recipes where you want minimal fat and do not mind a drier texture. 73/27 exists at some stores and is the best for smash burgers specifically — the extra fat renders into a crispy crust. Do not use 93/7 for burgers (dry, crumbly pucks) and do not use 80/20 for tacos (greasy pool in the bottom of the pan).
What the Numbers Actually Mean
The first number is the lean meat percentage. The second is the fat percentage. 80/20 means 80% lean meat and 20% fat by weight. In a 1-pound package of 80/20, you have 12.8 ounces of lean and 3.2 ounces of fat.
Fat content directly affects three things: flavor (fat carries flavor compounds — more fat = more beefy taste), moisture (fat melts during cooking and keeps the meat juicy — less fat = drier result), and shrinkage (fat renders out during cooking — higher fat ground beef loses more volume). An 80/20 burger patty will shrink about 25% during cooking. A 90/10 patty shrinks about 10-15%.
The price difference is real but not as dramatic as it seems. 80/20 is typically $4.50-6.00/lb. 90/10 is $5.50-7.50/lb. 93/7 is $6.50-9.00/lb. But because 80/20 loses more fat during cooking (rendering + shrinkage), the cost per ounce of cooked lean meat is closer than the raw price suggests. A $5.00 pound of 80/20 yields about 12 ounces of cooked meat. A $7.00 pound of 90/10 yields about 13.5 ounces. The effective price per cooked ounce: 80/20 = $0.42, 90/10 = $0.52. The 90/10 is still more expensive per serving, but the gap narrows from 40% to about 24%.
ButcherIQ compares ground beef options at the store and helps you pick the right ratio for your recipe — snap a photo of the packaging and it tells you what that lean percentage is best suited for.
When to Use Each Ratio
**80/20 — The Burger King.** This is the fat content that makes restaurant burgers taste so good. The 20% fat bastes the patty from the inside as it cooks, creating a juicy, flavorful result that leaner grinds cannot match. 80/20 is the correct choice for: traditional grilled burgers, smash burgers (though 73/27 is even better), meatloaf (the fat keeps it moist through the long bake), and meatballs (holds shape and stays tender). Do NOT drain 80/20 — the rendered fat is flavor. If your recipe says "brown the beef and drain," it assumes you are using 90/10 or leaner.
**90/10 — The All-Purpose Grind.** This is the Goldilocks ratio for most cooked-and-drained applications. Enough fat to provide flavor and browning, but not so much that you are pouring off a quarter cup of grease. Best for: taco meat, Bolognese and meat sauces, chili, casseroles, stuffed peppers, and any recipe where the beef is cooked, drained, and mixed with other ingredients. The slight leanness is unnoticeable when the beef is combined with sauce, seasoning, and other components.
**93/7 — The Health-Conscious Choice.** Very lean, very little shrinkage, and noticeably drier than 80/20 or 90/10. The flavor is milder and the texture is firmer. Best for: recipes where you want beef protein without significant fat — lettuce wraps, grain bowls, health-focused stir-fries, and any application where the beef is a protein component rather than the star. Works in chili if you add extra liquid to compensate for the missing fat. Not recommended for burgers, meatloaf, or meatballs — the results are consistently dry and crumbly.
**73/27 — The Smash Burger Secret.** Not available everywhere, but some stores carry it (or you can ask the butcher to grind chuck for you). The high fat content is specifically designed for smash burgers where you press a ball of meat flat on a screaming hot griddle — the fat renders aggressively into the cooking surface, creating a lacey, crispy crust that is impossible with leaner grinds. If you have never tried a smash burger with 73/27 or ground chuck, you are missing one of the best things a home cook can make.
The USDA Grade Question: Does It Matter for Ground Beef?
Short answer: not much. USDA grades (Prime, Choice, Select) are based on marbling in intact cuts. When meat is ground, the marbling is homogenized into the overall fat percentage. A pound of 80/20 ground beef from Select-grade trim tastes almost identical to 80/20 from Choice-grade trim because the fat is evenly distributed through grinding.
What matters more: the cut the beef was ground from. Ground chuck (from the shoulder) has the best flavor for burgers — rich, beefy, with a texture that holds together. Ground round (from the rear leg) is leaner and blander. Ground sirloin is lean with good flavor but poor binding (falls apart easily). If the package just says ground beef without specifying the cut, it is a mix of trim from multiple primal cuts — perfectly fine for cooking, but ground chuck specifically is worth seeking out for burgers.
*ButcherIQ identifies ground beef lean percentages, compares options in the case, and recommends the best choice for whatever you are making — so you never bring home 93/7 for burger night again.*