HomeBusiness & ManagementOperationsWhat is Economic Order Quantity (EOQ)?
Business & Management·2 min·Updated Mar 15, 2026

What is Economic Order Quantity (EOQ)?

Economic Order Quantity

Quick Answer

It is a formula used to determine the optimal order quantity a company should purchase to minimize inventory costs. This includes costs related to ordering and holding stock. By calculating EOQ, businesses can improve their inventory management and reduce waste.

Overview

Economic Order Quantity (EOQ) is a key concept in inventory management that helps businesses decide how much stock to order at one time. The goal is to find a balance between ordering costs and holding costs, ensuring that a company has enough inventory to meet demand without overstocking. By using the EOQ formula, businesses can determine the most cost-effective quantity to order, leading to better cash flow and reduced waste. The EOQ formula takes into account factors such as demand rate, ordering costs, and holding costs. For example, a retailer selling shoes may calculate their EOQ based on how many pairs they sell each month, the cost of placing an order, and the costs of storing the shoes. By ordering the EOQ amount, the retailer can minimize the total costs associated with inventory, ensuring they have enough stock available for customers while not tying up too much capital in excess inventory. Understanding EOQ is crucial in operations management as it directly impacts how efficiently a business can run. When companies use EOQ, they can streamline their supply chain, reduce the risk of stockouts, and maintain customer satisfaction. This approach not only saves money but also helps businesses respond more quickly to market changes.


Frequently Asked Questions

EOQ is calculated using the formula: EOQ = sqrt((2DS)/H), where D is the demand rate, S is the ordering cost per order, and H is the holding cost per unit. This calculation helps businesses find the ideal order quantity that minimizes total inventory costs.
Using EOQ helps businesses reduce inventory costs, avoid stockouts, and improve cash flow. It allows companies to maintain an optimal level of inventory, ensuring they can meet customer demand without overspending on storage or ordering.
While EOQ is a useful tool, it may not be suitable for all products, especially those with unpredictable demand or perishable items. Businesses should consider their specific circumstances and may need to adjust their inventory strategies accordingly.