Can You Eat Eggs After the Sell-By Date?
Published
Yes, in most cases. The sell-by date on a carton of eggs is not a safety deadline, it is a stocking instruction for the store telling them how long to display the carton for sale. Properly refrigerated eggs are typically fine for three to five weeks after that date, sometimes longer. The date on the carton tells you almost nothing about whether an individual egg has actually gone bad.
Why eggs last so much longer than the date suggests
An egg has natural defenses built in. The shell is porous but coated in a thin protective layer called the bloom, and the inside of the egg is naturally acidic enough to slow bacterial growth. As long as that shell stays intact and the egg is kept cold, it stays safe far past the printed date. USDA guidance puts properly refrigerated eggs at three to five weeks past the pack date for best quality, and many people safely go longer than that. The main thing changing over time is not safety but quality, the white gets thinner and the yolk flattens out, which matters for baking or poaching but not for whether it is safe to eat.
The float test
If you are not sure how old an egg is or just want to double check one, fill a bowl with water and drop the egg in.
- If it sinks and lies flat on the bottom, it is fresh.
- If it sinks but stands upright, it is older but still fine to eat.
- If it floats, it has lost enough moisture through the shell that it is best thrown out.
This works because eggs lose moisture through the shell over time and gain an air pocket, which is what makes an old egg float. It is not a perfect science, but it is a fast, reliable gut check when you cannot remember when you bought a carton.
Not sure how long an egg carton has been in your fridge? Our food expiration calculator gives you a safe-until estimate based on your purchase date.
Better signs than the date on the box
Smell is the single best test. Crack the egg into a separate bowl before adding it to whatever you are cooking, a bad egg has an unmistakable sulfur smell that is easy to recognize. Also look at the egg itself: an unusual pink, green, or iridescent tint, or a slimy texture on the shell, means it should be thrown out regardless of the date. A slightly runny or flat yolk is normal for an older but perfectly fine egg, that is a quality change, not a spoilage sign.
Does how you store them matter?
Yes. Keep eggs in the main body of the fridge, not the door. The door is the warmest part of the fridge from repeated opening, and the temperature swings there speed up spoilage. Keep them in their original carton too, since the carton blocks light and protects the shell from absorbing strong fridge odors, both of which shorten how long an egg stays good.
When to actually toss them
Trust the float test and your nose over the date on the carton. If an egg floats, smells off when cracked, or shows any unusual color or texture, throw it out. Otherwise, an egg that sinks and smells normal is safe to cook, no matter what the sell-by date says. If you want a general estimate for how long eggs and other common foods last based on your specific purchase date, our food expiration calculator will give you a safe-until estimate in a few seconds.