The best of PARCEL in your inbox

One Year Later: How the Dimensional Rounding Change Has Impacted the Parcel Industry

By Rickey DuBois

In August of 2025, the US parcel landscape changed in a way that seemed minor at first but ultimately had broad financial implications for shippers. Both UPS and FedEx announced a revised dimensional (DIM) calculation methodology that changed how package measurements are rounded to determine the final billable weight. Dimensional weight has long been calculated by multiplying the length, width, and height of a package, and dividing by a dimensional divisor. However, the adjustment announced by the carriers introduced a more aggressive rounding rule.

How have shippers been impacted?

PARCEL Forum ’26 Orlando Announces Conference Agenda: Save $400 by May 14

PARCEL Forum ’26, September 14-16 at the Gaylord Palms Resort, will make your Order-to-Ship educational dreams come true! With over 55+ sessions, 14 brand-new Learning Pods, first-ever Analyst Day, 4 exclusive workshops, and a guided DC tour at McKesson Medical-Surgical, this is where the industry’s most critical insights are happening. Check out the 2026 Conference lineup today and register by May 14 to save up to $400!