Dimensional weight tools

Parcel and air freight bill space when the box is light. Dimensional weight is L × W × H over a divisor; chargeable weight is the greater of that and the scale. This hub keeps every carrier preset on one page so FedEx 139, USPS, DHL and Amazon are filters — not five thin clones. Old carrier slugs 301 here.

DIM calculator

All carrier presets, one URL.

Chargeable weight

max(actual, volumetric).

CBM calculator

When the quote is in cubic meters.

Ocean W/M

The sea-freight cousin of DIM.