"How long does Peanut butter last in the fridge?"

"Peanut butter lasts 360 to 360 days in the refrigerator according to USDA FoodKeeper data."

"How long does Peanut butter last at room temperature?"

"Peanut butter lasts 180 to 270 days at room temperature (pantry storage) according to USDA data."

How Long Does Peanut butter Last?

Storage Method	Duration
🍳 Pantry	180–270 days
❄️ Refrigerator	360 days

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Data source: USDA FSIS FoodKeeper Dataset (data.gov).

Note: These are guidelines for quality, not safety. Food stored continuously frozen at 0°F is safe indefinitely, though quality deteriorates over time.

Last verified: 2026-03-28