How long does Butter last?
How long does Butter last? fridge 3 months, pantry 1–2 weeks, freezer 1 year. Plus spoilage signs, sources, and an unopened-vs-opened note.
Quick answer
Sealed / unopened: Same
Signs Butter has gone bad
- Yellow-orange surface darkening.
- Rancid crayon-like smell, oily separation.
- Mold spots (rare).
Discard immediately if
- Sharp rancid smell
- Visible mold
- Significant color change beyond normal yellowing
Why guidance varies
Dairy spoilage depends on initial pasteurization, fridge temperature, and how often the container is opened; manufacturer-printed dates assume continuous storage at 40°F (4°C) or below.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Butter last?
In the fridge: 3 months. In the pantry: 1–2 weeks. In the freezer: 1 year. Sealed / unopened: Same. Keep covered. Butter left at room temp is fine short-term in a butter dish.
How can you tell if Butter has gone bad?
Signs that Butter has gone bad: Yellow-orange surface darkening; Rancid crayon-like smell, oily separation; Mold spots (rare).
What does the date label on Butter mean?
Butter usually carries a "Use By" date. The last date the manufacturer recommends for peak quality — for most foods this is still quality-based, not a safety cutoff (infant formula is the one exception). See our date-labels guide for the full breakdown.
Sources for this answer
- A USDA FoodKeeper — Storage windows and refrigeration guidance for this category.
- A USDA FSIS — Food Product Dating — Date-label interpretation and food-safety baseline.