How long does butter last?
Churned milk fat.
Butter shelf life chart
All times are best-quality guidelines based on USDA FoodKeeper and FDA storage data. Actual shelf life depends on temperature stability, packaging, and how the food was handled.
| Storage | Time |
|---|---|
| Refrigerator (40°F / 4°C) | 2 months |
| Freezer (0°F / -18°C) | 1 year |
Can you freeze butter?
Yes — butter freezes well for up to 1 year at 0°F (-18°C). Freezes great
Tips for freezing:
- Use airtight, freezer-safe containers or bags — squeeze out as much air as possible to prevent freezer burn.
- Label and date everything. Frozen food all looks the same after a few weeks.
- Freeze in portion sizes you'll actually use — refreezing thawed food is generally not recommended.
- Thaw in the fridge overnight, never on the counter — bacterial growth restarts above 40°F.
What to do if…
What if my butter is past the printed date?
What if it smells weird but looks fine?
Is butter still safe after the recommended freezer time?
Can expired butter make you sick?
Yes — but the printed date isn't the trigger. Foodborne illness comes from bacterial growth (Salmonella, E. coli, Listeria, Staphylococcus) or fungal toxins, which depend on storage temperature and time, not the calendar date on the package.
Symptoms of food poisoning typically appear within 6–48 hours and include nausea, vomiting, diarrhea, stomach cramps, and fever. Severe cases — especially in young children, elderly, pregnant, or immunocompromised people — warrant medical attention. The safest practice: when in doubt, throw it out.
Frequently asked questions
How long does butter last in the fridge?
How can I tell if butter has gone bad?
Can I eat butter past the "best by" date?
Related shelf-life guides
Signs butter has gone bad
- •Rancid smell (plastic-y, off)
- •Mold on surface
- •Hard yellow rind on edges (cut off, rest fine)
Storage tips
- ✓Wrap tightly — butter absorbs fridge odors
- ✓Buying salted? Lasts 30% longer than unsalted
- ✓Counter butter: 1–2 days max for raw, salted version
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Disclaimer: Times shown are USDA/FDA-recommended best quality periods, not absolute safety guarantees. Storage conditions, packaging, and food handling all affect actual shelf life. When in doubt, throw it out.