📅 Expiry Date Calculator

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Consumption Progress

Best Before Date — Expiry Date —

💡 Storage Tips

Keep refrigerated food at 0-5°C and frozen food below -18°C.
Store in airtight containers to prevent oxidation and bacterial growth.
Follow first-in-first-out: use older food first.

GUIDE

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What is an Expiry Date Calculator?

An expiry date calculator determines a product's expiry and best-before dates from its manufacture date and shelf life. You can set the shelf life precisely in years, months and days, and see the days remaining and freshness status relative to today. For food safety it provides not only the expiry date but also the recommended best-before date. It is very useful for managing household food inventory or for small food businesses computing product expiry. Accurate date calculation helps reduce food waste and maintain a safe diet.

Expiry Date vs Best-Before Date

The expiry (sell-by) date is the deadline for selling a product at retail. The use-by date is the deadline for safely consuming a product, the period during which quality and safety are maintained under proper storage. The use-by period is generally longer than the sell-by date, so passing the sell-by date does not always mean the food is unsafe. The best-before date guarantees top quality and is typically calculated at about 75% of the total shelf life. Consumers should understand both concepts and judge edibility by checking the product visually and by smell.

Typical Shelf Life by Food Type

Fresh vegetables and fruit have a short shelf life of about 3-14 days and require refrigeration. Milk keeps 7-14 days before opening, and yogurt 2 weeks to a month. Meat keeps 2-5 days refrigerated but 3-6 months frozen. Canned food keeps 1-3 years at room temperature, making it suitable as emergency stock. Instant foods such as ramen keep about 6 months to a year and should be stored cool and out of direct sunlight. Seasonings and spices keep 1-3 years but lose aroma after opening, so use them quickly. The preset buttons on this calculator let you enter common shelf-life periods easily.

Proper Food Storage Methods

A refrigerator temperature of 0-5°C is ideal and should be checked regularly with a thermometer. Store food in airtight containers to prevent oxidation and bacterial growth, and refrigerate cooked food immediately after it cools. Keep raw and cooked foods separate to avoid cross-contamination, and store meat and seafood on the lowest shelf so juices do not drip onto other foods. Transfer opened canned products to another container before refrigerating; do not store them in the metal can. Keep food cool, dry and away from sunlight and moisture, and keep the freezer below -18°C to preserve freshness. Follow the first-in-first-out principle and check expiry dates regularly to reduce waste.

Judging Freshness Status

This calculator displays freshness in five stages. Very Fresh is within 50% of shelf life with top quality. Good is 50-75% consumed and still safe to eat. Consume Soon is 75-90% consumed and should be eaten as soon as possible. Use Immediately is 90-100%, near the expiry date, and should be eaten after checking freshness. Expired is over 100% and must be checked before eating; discard if discolored, smelling off, or moldy. The progress bar shows at a glance which stage of shelf life the food is in, helping with planned consumption.

Food Safety Precautions

Even within the expiry date, food can spoil under poor storage, so always check it visually and by smell. Eggs that float in water are spoiled and should be discarded even within date. Never eat canned food from a bulging or dented can due to the risk of botulism. Refrigerated food left at room temperature for more than 2 hours grows bacteria rapidly and is safer discarded. Children, the elderly, pregnant women and the immunocompromised should be stricter about expiry dates, and as a rule should not eat suspect food. Frozen food can suffer freezer burn or quality loss, so record the freeze date and consume within 6 months. Regularly cleaning the refrigerator and clearing out old food maintains a hygienic storage environment, the basis of food safety.