How is inventory turnover calculated?

How is inventory turnover calculated?

• A. Average inventory value / COGS
• B. Gross profit / Average inventory
• C. Sales / Ending inventory
• D. COGS / Average inventory value

Answer: (D)

Inventory turnover measures how many times stock is sold and replaced over a period. The way to compute it is by dividing the cost of goods sold (COGS) by the average inventory value. COGS reflects the actual cost of the items that were sold, tying directly to the activity that creates sales. Using average inventory (often calculated as (beginning inventory + ending inventory) / 2) helps smooth out seasonal fluctuations so the measure isn’t distorted by just one high or low period. So, turnover = COGS ÷ Average Inventory. A higher result means inventory is moving quickly, indicating strong sales or efficient stock management; a lower result signals slower movement or excess stock. Wrong approaches mix in elements that don’t align with turnover. For example, placing average inventory over COGS reverses the ratio and gives a number that resembles a period metric rather than a turnover rate. Using gross profit instead of COGS measures margin, not how fast inventory turns. Using sales divided by ending inventory uses revenue and a single-period ending stock, not the cost-based flow that turnover analyzes.

Inventory turnover measures how many times stock is sold and replaced over a period. The way to compute it is by dividing the cost of goods sold (COGS) by the average inventory value. COGS reflects the actual cost of the items that were sold, tying directly to the activity that creates sales. Using average inventory (often calculated as (beginning inventory + ending inventory) / 2) helps smooth out seasonal fluctuations so the measure isn’t distorted by just one high or low period.

So, turnover = COGS ÷ Average Inventory. A higher result means inventory is moving quickly, indicating strong sales or efficient stock management; a lower result signals slower movement or excess stock.

Wrong approaches mix in elements that don’t align with turnover. For example, placing average inventory over COGS reverses the ratio and gives a number that resembles a period metric rather than a turnover rate. Using gross profit instead of COGS measures margin, not how fast inventory turns. Using sales divided by ending inventory uses revenue and a single-period ending stock, not the cost-based flow that turnover analyzes.