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Reorder point

The reorder point is the stock level at which a new purchase order is placed, set at expected demand during the supplier's lead time plus any safety stock held as a buffer.

ByHoang TruongUpdated

FrameworkEOQ model

See it move

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A component used at 40 units a day faces a 7-day supplier lead time, so expected usage during that gap is 40 × 7, or 280 units. Adding a 60-unit safety stock for demand above average gives a reorder point of 280 + 60, or 340 units — the level that triggers the next order.

Where it fits
SubjectCost AccountingCoreTopicStrategic & Lean Cost ManagementCore

The formula

LaTeX
ROP=(d×L)+SSROP = (d \times L) + SS

Variables

Reorder point (units)
Average usage per period (units/period)
Lead time (periods)
Safety stock (units)

Sets the stock level at which a new order should be placed so it arrives before stock runs out.

Check yourself

PracticeCORE

A retailer sells an average of 25 units of a product per day. The supplier's lead time is 8 days, and the retailer holds a safety stock of 50 units. What is the reorder point?

Select an answer to check your understanding.