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Inventory Turnover

A ratio measuring how many times a company sells and replenishes its inventory over a period, indicating inventory management efficiency.

Accounting & BookkeepingProcurement

FAQs

What causes low inventory turnover?

Low turnover may indicate: overpurchasing (buying more than demand supports), demand decline (customers not buying expected volumes), poor assortment planning (holding wrong products), pricing issues (items priced too high to move), or long production cycles. Distinguish between intentionally slow-turn products (luxury goods, wine) and problematically slow-moving inventory requiring markdowns or write-offs.

How does inventory turnover affect cash flow?

Inventory requires cash investment — purchasing or producing inventory before it's sold ties up working capital. Faster turnover means less cash is locked in inventory at any time, improving cash flow. Slowing turnover absorbs cash (more inventory purchased but sitting unsold). Supply chain disruptions that force safety stock buildup can significantly increase inventory levels and drain working capital even when sales remain stable.

What is dead stock and how does it affect financial statements?

Dead stock is inventory that hasn't sold and is unlikely to sell at full price — due to obsolescence, seasonal mismatch, or demand failure. Under lower-of-cost-or-market (LCM) or lower-of-cost-or-net-realizable-value (LCNRV) rules, inventory must be written down to recoverable value, creating an inventory write-down charge on the income statement. Aging inventory (often revealed through slow turnover) is a leading indicator of future write-downs.

Related Terms

Days Sales Outstanding

The average number of days a company takes to collect payment after a sale, measuring accounts receivable collection efficiency.

Days Payable Outstanding

The average number of days a company takes to pay its vendors, measuring how efficiently a company manages its accounts payable.

Working Capital

The difference between current assets and current liabilities, measuring a company's short-term liquidity and operational efficiency.

Current Ratio

A liquidity ratio measuring a company's ability to pay short-term obligations using current assets, calculated as current assets divided by current liabilities.

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Inventory turnover measures how efficiently a company manages its inventory by calculating how many times average inventory is sold and replaced during a period. High turnover indicates efficient inventory management and strong sales; low turnover may suggest overstocking, slow-moving inventory, or demand weakness.

Inventory Turnover = Cost of Goods Sold ÷ Average Inventory

For a company with $12M in COGS and average inventory of $2M: Inventory Turnover = $12M ÷ $2M = 6x, meaning the company turns its inventory 6 times per year (approximately every 60 days).

Days Inventory Outstanding (DIO) converts turnover to days: DIO = 365 ÷ Inventory Turnover. At 6x turnover, DIO = 365 ÷ 6 = ~61 days — the company holds inventory for an average of 61 days before selling it.

Inventory turnover benchmarks differ dramatically by industry: Grocery chains aim for 25–30x (inventory turns daily). Fast fashion retailers: 4–6x. Automotive dealers: 8–12x. Manufacturers: 4–8x. Jewelry/furniture: 1–2x. These differences reflect product characteristics (perishability, cost, demand predictability) and business models.

High inventory turnover is generally positive — it signals healthy demand, efficient purchasing, and minimal capital tied up in inventory. But excessively high turnover may indicate insufficient inventory, leading to stockouts that cost sales. The optimal turnover balances sales capture with inventory carrying costs.

Inventory turnover connects to the Cash Conversion Cycle: CCC = DIO + DSO − DPO. Companies like Amazon and Walmart manage CCC aggressively, turning inventory before supplier payments are due, effectively using supplier credit to fund operations.

Inventory turnover analysis must account for seasonality — calculating DIO on year-end balances (often highest or lowest of the year) can be misleading; average or quarterly analysis provides better insight.