FeeUpdates by Quillfold

USPS: Dimensional weight divisor (PME, PM, Ground Advantage, Parcel Select)

Before
166
After
139
Effective
2026-07-12
Announced
Not stated
Checked
2026-10-08
Region
US
Program
Policy

The divisor used to calculate dimensional weight will drop from 166 to 139 — the same divisor used by FedEx and UPS for daily rates.

Source: Surcharge Watch: UPS, FedEx & USPS Shipping Cost Updates [May 2026] reveelgroup.com

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