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