What is the difference between 70/30 and 80/20 ground beef?

Short answer: 80/20 ground beef is 80 percent lean and 20 percent fat by weight before cooking. 70/30 is 70 percent lean and 30 percent fat, which is the most fat federal standards allow in ground beef. The difference is ten points of fat, and that changes price, flavor, and how much a patty shrinks. Here is how to compare them, and how to check a label yourself.

80/20 70/30
Lean 80 percent 70 percent
Fat 20 percent 30 percent (the federal maximum)
Cooked yield Often higher Often lower

What does 80/20 ground beef mean?

It means the mix is 80 percent lean and 20 percent fat by weight before cooking. That ratio tells you what is in the package; it does not promise an exact cooked yield.

What does 70/30 ground beef mean?

It means 70 percent lean and 30 percent fat by weight before cooking. Thirty percent is the federal maximum for products sold under the ground-beef or hamburger standards.

What is the difference between 70/30 and 80/20?

The plain difference is ten percentage points of fat: 70/30 has more fat and less lean meat before cooking. Compare the label, price, intended use and cooked result instead of assuming every package performs the same.

Is 70/30 ground beef legal?

Yes. Federal standards allow ground beef and hamburger to contain up to 30 percent fat. Legal does not automatically mean it is the value, flavor or cooked yield you want.

Does 70/30 ground beef shrink more than 80/20?

Usually a higher-fat patty can lose more fat during cooking, so cooked yield may be lower, but heat, time, shape and cooking method matter too.

Am I paying for fat that cooks away?

Some fat can render out during cooking, and some moisture is lost too. The useful number is cooked yield from a fair test, not a blanket claim that every ounce of fat disappears.

How can I tell whether my store changed its ground-beef blend?

Keep the old and new label, or photograph them, and compare the stated lean and fat percentages, net weight, price per pound, ingredients and product name. Memory is not proof; two dated labels are.

Are ground beef and hamburger the same thing?

They are close, but the federal standards are not identical. Hamburger may have beef fat added; ground beef may not have added beef fat, and both are limited to 30 percent fat.

Can a processor add water or fillers to plain ground beef?

A product sold as plain ground beef has to meet the federal ground-beef standard, and added water is not part of that basic standard. A seasoned patty or another formulated meat product can be different, which is why the exact name and ingredient list matter.

Do I need to read the ingredient list on burger patties?

Yes. A package can be plain ground beef, or it can be a formulated patty with seasonings or other permitted ingredients. The product name and ingredient statement settle that question better than the picture on the front.

Does more fat always mean better flavor?

No. Fat affects juiciness and flavor, but breed, aging, seasoning and cooking matter too. 'Better' is a preference, not a fact a label can settle.

Which ground-beef ratio is best for burgers?

There is no one right answer, but 80/20 is a common middle ground for flavor and handling. Whatever ratio you choose, cook ground beef to 160°F and judge value by the cooked result you actually like.

Which ground-beef ratio is best for tacos or sauces?

A leaner blend may leave less rendered fat to drain, while a fattier blend can bring a richer result. Choose for the recipe, then cook it to 160°F.

Should I drain cooked ground beef?

That is a recipe and preference decision, not a safety requirement. The safety requirement is reaching 160°F; draining changes the finished fat and moisture but does not replace temperature control.

Why must ground beef be cooked more than a steak?

Grinding can move bacteria from the surface throughout the meat. That is why USDA guidance is 160°F for ground beef, while intact beef steaks and roasts have a different minimum with a rest time.

How we do it at Serenity Valley Farms

We specify an 80/20 grind to our processor. That is the blend we ask for, and it is what we mean when we say 80/20. As with any ground beef, real grinds vary a little from batch to batch, so check the label on your package.

Each box of our ground beef comes from one animal, ground one animal at a time and never blended with beef from others.

Questions about a package, or something not right? Email svf@serenityvalleyfarms.us and we will make it right. Our guarantee is on our refund policy page.

Sources

Sources last checked September 14, 2026.