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Calculateur Poids Volumétrique USPS

Vérifiez le seuil de 1 pied cube pour les envois USPS.

Rules updated for 2026
Live calculator

Calculer le poids volumétrique et facturable

Entrez les dimensions extérieures. Les résultats s'actualisent automatiquement.

CALCULATES LOCALLY · NO UPLOAD
FORMULA
DIM Weight = Length × Width × Height ÷ DIM Divisor

Billable weight is the greater applicable actual or dimensional weight.

POIDS FACTURABLE ESTIMÉ-
Poids volumétrique-
Poids réel-
Volume cubique-
Différence-
Base de facturation-
Entrez les mesures pour calculer.
VOLUME-
UNITÉ DU DIVISEURin³/lb
Method

Comment fonctionne ce calcul

The 2026 rule applies to listed services including Priority Mail Express, Priority Mail, Ground Advantage, and Parcel Select. Verify the DMM for your mailpiece.

FORMULA
USPS DIM weight = Rounded cubic inches ÷ 139 (when volume exceeds 1,728 in³)

The 2026 rule applies to listed services including Priority Mail Express, Priority Mail, Ground Advantage, and Parcel Select. Verify the DMM for your mailpiece.

Worked example

USPS threshold and new divisor

  1. 1.20 × 14 × 10 = 2,800 in³, above 1 ft³
  2. 2.2,800 ÷ 139 = 20.14 lb
  3. 3.Round up: 21 lb DIM weight

Before July 12, 2026, divisor 166 would have produced 17 lb after rounding; the updated divisor produces 21 lb.