Outside dimensions
The box's outer size, which carriers measure for dimensional weight and which sets pallet patterns.
In practice
Packgent estimates OD as ID plus two calipers on length and width and three on depth. Your box maker sets the real scores.
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Related terms
- Inside dimensions
- The usable space inside a box, listed length × width × depth. Box sizes are quoted by inside dimension.
- Caliper
- The thickness of a sheet of board, usually given in inches or millimetres.
- Dimensional weight
- A billing weight that carriers compute from package size: length × width × height divided by a divisor.
Definitions written by Packgent, last reviewed 2026-10-27. All terms.