How long does Half & Half last?
Half & Half lasts 3–4 days in the fridge, 3 months in the freezer. Spoilage signs to check, storage tips, and cited food-safety sources.
Quick answer
Can I still eat it?
Use this as a conservative screen before you rely on the storage window. If anything seems unsafe, discard it.
Half & Half is within the fridge window if it stayed cold/dry as required and shows no discard signs.
Sealed / unopened: Check date
Signs Half & Half has gone bad
- Sour smell, off-yellow color.
- Lumpy or curdled when poured, watery separation.
Discard immediately if
- Visible mold on the lid or rim
- Smells distinctly sour even without warming
- Texture has separated into solids and liquid that won’t mix back
Why guidance varies
Half & half is perishable dairy. Its short opened window depends on refrigerator temperature and avoiding contamination around the cap and rim.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Half & Half last?
In the fridge: 3–4 days. In the freezer: 3 months. Sealed / unopened: Check date. Keep half & half refrigerated and use it within 3–4 days after opening. Keep the carton closed and follow a shorter package instruction if provided.
How can you tell if Half & Half has gone bad?
Signs that Half & Half has gone bad: Sour smell, off-yellow color; Lumpy or curdled when poured, watery separation.
What does the date label on Half & Half mean?
Half & Half 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 FSIS FoodKeeper data — Half & half: 3–4 days refrigerated after opening.