run-out time run-out time The time that will elapse before an item in stock runs out. The concept is essential for scheduling the reordering of a range of goods. The run-out time for a product i is defined as: 
where ri is run-out time in weeks, li is units in stock, and di is demand in units per week. The accompanying table gives a number of examples.  Run-out time. The run-out times of four products as calculated from current stock levels and demand rates. |