Inventory turnover is a measure that will give you a sense of how quickly a company's products are flying off the shelves. Here's how you'd crunch this number:
From the company's income statement, find the "cost of goods sold" (or COGS), which is usually listed near the top, below "sales" (which are sometimes called "revenues"). You'll want the last 12 months' worth. If the fiscal year has just ended, you can use the figures in the annual report or 10-K report. If it's mid-year, just re-create the last year's results by adding together the numbers from the last four quarters' reports. Once you have this number, jot it down.
Next, you need to calculate the average value of inventory for the 12-month period you're looking at. If, for example, you're using the cost of goods sold for the 2002 fiscal year, you'd want to take the inventory value from the end of fiscal 2001 and average it with the inventory value from the end of 2002. This way, your numbers address the same time period -- the duration of fiscal 2002.
Once you have the cost of goods sold, divide it by the average inventory, and you'll get the inventory turnover rate. A company with high and growing inventory turnover rates would appear to be well managed, freeing up its working capital for other uses.
As an example, consider Wal-Mart
To make more sense of that number, compare it with a competitor. Target's
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