How Long Does Tofu (Opened) Last?
Opened block tofu, firm or silken varieties.
The Short Answer
Tofu (Opened) lasts 3–5 days in the refrigerator when stored properly at 40°F or below. For longer storage, tofu (opened) can be frozen for 3–5 months while maintaining good quality. 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
Freezing tofu changes its texture, making it chewier and more sponge-like. This is actually desirable for stir-fries since frozen-then-thawed tofu absorbs sauces much better.
How to Store Tofu (Opened)
Submerge opened tofu in fresh water in a covered container. Change the water daily.
How to Tell if Tofu (Opened) Has Gone Bad
Look for these signs that tofu (opened) has spoiled: sour smell, slimy surface, discoloration, bloated packaging.
The Professor's rule: When in doubt, throw it out. No meal is worth food poisoning.
The Bottom Line
Properly stored tofu (opened) stays safe for 3–5 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
Unopened, refrigerated tofu lasts until the use-by date, typically 2-3 weeks from purchase.