<P> Days in inventory ( also known as ' Inventory Days of Supply ( DoS ) ' , ' Days Inventory Outstanding ' or ' the Inventory Period ' ) is an efficiency ratio that measures the average number of days the company holds its inventory before selling it . The ratio measures the number of days funds are tied up in inventory . Inventory levels ( measured at cost ) are divided by sales per day ( also measured at cost rather than selling price . ) </P>
what is the average days to sell inventory
an efficiency ratio that measures the average number of days the company holds its inventory before selling it