Add a shelf life to a production or opening date to get the expiry date and the days remaining.
Runs in your browser — nothing is uploaded
Shelf life is the period a product stays safe and at its best under stated storage conditions. The printed date on a package is the final authority, but when you need to plan stock, or track an item after opening, calculating the date from a start date and a shelf life is useful.
Enter the date the product was made or opened, then the shelf life value and unit. The expiry date appears with the days left from today, or the number of days it has been expired.
Use by is a safety date for perishable foods, and the food should not be eaten after it. Best before indicates quality, and the product is often still safe after it, though it may taste or look different.
It depends on the product. Many opened sauces and condiments last weeks in the fridge, while cooked leftovers usually last three to four days. Follow the label, which often gives a 'once opened' period.
Yes. Adding one month to 31 January gives 28 or 29 February, not 3 March. This avoids skipping over the end of a short month.
No. Use the calculated date only when the label is missing or unreadable, or when you are tracking an opened item. The manufacturer's storage advice always takes priority.
Shelf life is measured from production, so the start date should be the production or packing date printed on the product, if it is shown. For opened items, use the date you opened it.
No. The dates are calculated in your browser and nothing is saved.