Fulfillment · Ben Buzz · Jan 3, 2026

Understanding Ecommerce Fulfillment Cost Per Order

The cost per order (CPO) in ecommerce fulfillment is a crucial metric that includes warehousing and shipping expenses, with labor accounting for about 50% of the total CPO. A significant portion of this cost involves labor, which may constitute only about 50% of the total CPO. Additionally, employee benefits can add between 15% and 30% to labor costs, further impacting the overall fulfillment expenses.

As ecommerce continues to grow, understanding fulfillment costs is crucial for businesses aiming to maintain profitability. The cost per order (CPO) is a critical metric that encompasses various components, including warehousing and shipping expenses. This article delves into the intricacies of ecommerce fulfillment costs, examining the different elements that contribute to the overall cost per order and how businesses can manage these expenses effectively.

Components of Fulfillment Cost Per Order

When calculating the total fulfillment cost per order, several factors come into play. A significant portion of this cost involves labor, which may constitute only about 50% of the total CPO. This includes the direct labor necessary to fill orders, such as packing and shipping. Additionally, employee benefits can add between 15% and 30% to labor costs, further impacting the overall fulfillment expenses.

Another critical component is the total occupancy cost, which encompasses facility costs and utilities. These fixed costs per order include expenses related to maintaining the warehouse space needed for storing and processing products. Such costs are essential for understanding the baseline expenses that do not fluctuate directly with the volume of orders.

Outbound shipping costs are another major factor and often exceed other fulfillment expenses. These costs can vary widely depending on the shipping method used, the destination, and the size and weight of the package. Consequently, transportation costs per package significantly affect customer decisions, making it imperative for ecommerce businesses to monitor these metrics closely to improve the customer experience.

The Role of Technology in Fulfillment Efficiency

In today's competitive ecommerce landscape, brands increasingly rely on technology to measure and enhance performance. Ecommerce fulfillment metrics are crucial for businesses to forecast operational capacity and make informed decisions. For instance, Units Per Hour is a metric that measures productivity, while Units Per Order impacts order volume and fulfillment efficiency.

A higher number of units per order generally requires more resources, such as additional staffing and space, to manage the increased complexity in order processing. Similarly, lines per order measure fulfillment efficiency, with more lines per order necessitating more space and labor.

During holiday surges, ecommerce operations can face a tenfold increase in order capacity. Therefore, facilities and labor become critical inputs for managing such peaks efficiently. Monitoring these metrics enables businesses to adapt quickly and maintain a high level of service during busy periods.

Amazon's Fulfillment by Amazon (FBA) Program

Amazon's Fulfillment by Amazon (FBA) program has become a popular choice for many businesses seeking to outsource their order fulfillment processes. Approximately half of all Amazon sales are from third-party sellers, with two-thirds of these sellers utilizing FBA. This program allows businesses to send their products to Amazon fulfillment centers, where Amazon handles picking, packing, and shipping orders.

In addition to logistics, FBA provides access to customer service and returns processing, making it an attractive option for many sellers. However, the variety of fees associated with storage and fulfillment can be numerous and confusing. For instance, excessive returns can increase operational costs, and Amazon discourages long-term inventory storage through its fee structure and strict product preparation requirements.

While FBA offers significant advantages, it may not suit every business. The initial learning curve can be steep for new sellers, and not all products or business models align well with Amazon's fulfillment approach.

Comparing Fulfillment Costs Across Businesses

When evaluating fulfillment costs, it's useful to consider fulfillment costs as a percentage of net sales. This metric provides a basis for comparison between different businesses, as the average order value can vary significantly across industries. For instance, businesses with a higher average order value might be more resilient to high fulfillment costs, while those with lower values might need to optimize their operations more aggressively.

Ecommerce brands often use performance measurement technologies to track these metrics and assess their fulfillment strategies. As fulfillment efficiency directly impacts the bottom line, businesses must continuously evaluate their processes to ensure they remain competitive in a rapidly evolving market.

In conclusion, understanding the various components of ecommerce fulfillment cost per order is essential for businesses looking to optimize their operations. By closely monitoring labor, occupancy, shipping, and other relevant metrics, companies can enhance their fulfillment efficiency and improve customer satisfaction.