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Valuing inventory: method and write-downs


In this article

Inventory is money sitting on the shelf. How you value it determines both what appears on your balance sheet and how much profit you report in a year — with the same sales and the same purchases.

The three methods you see most

MethodWhen it fits
Individual purchase priceWith few, easily distinguishable items (for example a car dealer or an art dealer).
Fifo (first in, first out)With inventory that changes per batch, for example food products.
Average costWith large numbers of similar items; dampens fluctuations in purchase prices.

Choose one method and stick to it

The method is a valuation principle. Changing it is only allowed as a change of accounting policy: disclose it in the notes and adjust the comparative figures.

Why the choice affects your result

If purchase prices rise, then under fifo the inventory on the balance sheet is higher and this year's cost of purchases is lower — so more profit. Under the average method that difference is smoothed. Over the entire life of your inventory it comes to the same thing, but per year it can differ considerably.

The glossary briefly explains cost of purchases, gross margin and book value so that you can follow the effect on your balance sheet and profit and loss account.

Obsolete and slow-moving inventory

Inventory that you no longer sell at the normal price is written down to the expected realisable value. That may be done per item or per group. Record how you did it: a write-down of ten thousand euros without substantiation is the first thing asked about in an audit.

The inventory count

  • Count on the balance sheet date and record the outcome in writing.
  • Watch for inventory in transit or held by a third party (for example an e-commerce fulfilment company).
  • Do not include inventory that has already been invoiced and delivered: that is already turnover.
  • Record the quantities and the price used for each line.

What you put in the notes

State the valuation method, whether any inventory has been written down, and how the inventory is composed if it consists of different types (raw materials, semi-finished goods, finished goods). When preparing the annual accounts these notes belong there just as much as the figures themselves.

Frequently asked questions

Which inventory valuation method is mandatory?

There is no method prescribed by law. You choose one that best reflects reality and apply it consistently; you state the method in the notes.

Can I use lifo?

Lifo (last in, first out) is permitted for tax purposes under conditions, but it is rare in annual accounts because the inventory then no longer reflects a realistic current value. If you choose it, substantiate it well.

How do I value inventory I no longer sell?

You write it down to the expected realisable value, or you write it off entirely if nothing can be obtained for it. Substantiate the write-down and disclose it in the notes.

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