The EFA Blog

Dimensional weight (DIM weight) is a calculation used by carriers to bill based on package volume rather than actual weight, often leading to unexpected and devastating shipping costs for ecommerce brands. This post explores the technical math behind DIM weight, why enterprise 3PLs often fail to optimize for it, and how specialized warehousing and distribution strategies can protect margins. By utilizing a multi-node fulfillment network and right-sized packaging, brands can significantly reduce their ecommerce logistics expenses and avoid the “air tax” that plagues bulky or heavy freight.

Is your ecommerce brand’s profit being swallowed by “Zone 8” shipping costs? For brands doing $2M–$50M in revenue, shipping from a single warehouse often results in an average shipping zone of 5 or 6, leading to unsustainable freight costs and squeezed margins. This article explores how transitioning to a multi-node fulfillment strategy can drop average zones down to 2 or 3, enabling 2-day ground delivery nationwide without the expense of air shipping. Learn how strategic inventory placement and regional carrier expertise can reduce shipping costs by 20-25% while maintaining concierge-level service.