Accounting Economic Order Quantity (Annual) Calculator FAQ

It estimates an order quantity that minimizes the combined annual cost of ordering inventory and holding cycle stock.

EOQ can provide a starting point for setting replenishment quantities for items with reasonably stable demand and costs.

No. EOQ estimates how much to order, while a reorder point estimates when to order.

Use the expected total units sold, used, or consumed over one year for the specific stock item.

It may include order administration, supplier communication, receiving, inspection, invoice processing, and similar per-order activity costs.

It may include storage, handling, insurance, shrinkage, deterioration, and the cost of capital tied up in one unit of stock.

The basic model assumes inventory falls evenly from the full order quantity to zero, making average cycle stock half the order quantity.

It is annual ordering cost plus annual cycle-stock holding cost. It excludes inventory purchase cost under the standard model.

Yes. Supplier pack sizes, minimum orders, delivery timing, storage capacity, and uncertain demand can require a different workable quantity.

Use EOQ as a reference, then compare total costs at each supplier price break because purchase price may change the preferred quantity.

It can be a starting estimate, but seasonal forecasts and changing replenishment needs should be considered separately.

No. Standard EOQ calculates cycle stock only; safety stock is an additional inventory component.