First-in-first-out sounds obvious until a busy Saturday means the newest delivery gets grabbed first because it's at the front of the fridge. This calculator lists your stock in batches, purchase date, shelf life and cost, applies your usage oldest-first the way FIFO is supposed to work, and shows what is left over that has already expired.
FIFO wastage value is the leftover quantity in any stock batch past its expiry date, multiplied by that batch's cost per unit.
| Batch | Qty received | Purchase date | Shelf life (days) | Cost / unit (₹) | |
|---|---|---|---|---|---|
A kitchen receives 20kg of paneer on the 1st with a 5-day shelf life, then another 15kg on the 4th. If only 18kg gets used by the 6th, usage is applied to the oldest batch first. The remaining 2kg from the 1st batch is already past its expiry and shows up as wastage, while the second batch still counts as good stock.
Because the alternative, using whatever is easiest to reach, quietly pushes older stock to the back where it expires unused. Over a month that adds up to real rupees written off, even in kitchens that think they run a tight inventory.
Treat it as a signal to buy less of that item, order more frequently in smaller quantities, or negotiate a shorter delivery cycle with the supplier, rather than accepting the wastage as a fixed cost of doing business.
No. It is a planning and awareness tool based on the batches you enter. A physical count will always catch damage, theft and mislabeling that a spreadsheet-style FIFO calculation cannot see.
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