How Long Does Butter Last?
Salted and unsalted butter, including sticks and tubs.
The Short Answer
Butter lasts 30–90 days in the refrigerator when stored properly at 40°F or below. For longer storage, butter can be frozen for 6–9 months while maintaining good quality. At room temperature in the pantry, expect 1–2 days under normal conditions. These times are based on USDA food safety guidelines and assume proper storage conditions.
Storage Times at a Glance
Source: USDA FoodKeeper | Last verified: March 19, 2026 | Our methodology
Salted butter can safely sit on the counter in a covered butter dish for 1-2 days. Unsalted butter should stay in the fridge since salt acts as a preservative.
How to Store Butter
Keep in original wrapper or airtight container. Store away from strong-smelling foods as butter absorbs odors. Salted butter lasts longer than unsalted.
How to Tell if Butter Has Gone Bad
Look for these signs that butter has spoiled: sour taste, darker yellow or discolored patches, unpleasant or cheesy smell.
The Professor's rule: When in doubt, throw it out. No meal is worth food poisoning.
The Bottom Line
Properly stored butter stays safe for 30–90 days in the fridge. Always store in airtight containers, refrigerate within 2 hours of purchase or preparation, and trust your senses. If something looks, smells, or feels off, discard it regardless of how many days it has been. Freezing is always an option if you will not use it within the refrigerator window.
Frequently Asked Questions
Salted butter can safely sit on the counter in a covered dish for 1-2 days. In warm kitchens (above 70 degrees F), keep counter butter to a small amount you will use quickly.