EOQ, reorder point and safety stock calculator

How much to order each time, when to reorder, and the safety stock for a service level.

EOQ and reorder pointHow much should I order, and when?

Order quantity (EOQ)671

Reorder when stock falls to350

Safety stock120

Orders per year17.9

Days between orders20

Ordering and holding cost per year$1,898.22

EOQ assumes steady demand; seasonal goods should be sized season by season.

Annual demand (units)

Cost per order placedUSD

Cost per unitUSD

Holding cost per year (% of unit cost)%

Daily demand standard deviation

Lead time (days)

Lead time standard deviation (days)

Service level

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Run it on your own figures

Upload your orders or report to DataMimi and ask in plain English — this calculator opens prefilled with the prices, volumes and costs from your own file, and every figure shows which rows it came from.

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