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How long does margarine last?

The estimated quality window for margarine is about 6 months in the fridge.

Refrigerated6 months
Frozen12 months

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The average American family of four throws away about $1,500 of food a year, per the EPA, and most of it is opened items nobody remembered.

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Storage tips

  • Keep margarine refrigerated and sealed to hit the window above.
  • Frozen, margarine keeps about 12 months, well past the window above.
  • Keep dairy on the coldest shelf, sealed, and never on the door.

How can you tell if margarine has gone bad?

  • In butter, margarine and other dairy fats: a rancid, cheesy or crayon-like smell, or a darkened, greasy-looking surface where it met the air.

Common questions

How long does margarine last in the fridge?

The estimated quality window for margarine is about 6 months in the fridge. The USDA FoodKeeper lists no separate after-opening window for it, so treat this as the storage life and follow the label and official guidance.

Does margarine need to be refrigerated?

Yes. The USDA FoodKeeper gives margarine a refrigerated life of about 6 months and no pantry life, so keep it in the fridge.

How else can you store margarine?

Estimated quality windows are about 6 months refrigerated, about 12 months frozen. Storage and handling can shorten them, so follow the label and official guidance.

See how freshness tracking works, read the guide to tracking once-opened food, or see what a shared grocery list does for a household. There are also more household guides and a page for each kind of list, from chores to home maintenance.

Shelf-life windows come from the USDA FoodKeeper, published by the USDA Food Safety and Inspection Service (public domain); we vendor the FSIS FoodKeeper dataset and refresh it in place. These are quality estimates, not food-safety determinations or guarantees: actual condition depends on storage and handling, and harmful bacteria may not have obvious signs. Follow package and official guidance; when in doubt, throw it out. See our food safety notice and terms.