Dimensional Weight Calculator

Find shipping dimensional (volumetric) weight.

Length

Width

Height

DIM divisor

Dimensional weight 27.626

Formula: DIM weight = L × W × H ÷ divisor

Step-by-step with your numbers:

1. Values used:

2. Length = 20

3. Width = 16

4. Height = 12

5. DIM divisor = 139

7. Dimensional weight = 27.626

Did we solve your problem today?

Carriers bill the greater of actual and dimensional weight for bulky parcels.

The math behind it

DIM weight (lb) = length × width × height (in) ÷ divisor (commonly 139 for domestic, 166 international).

20×16×12 in ÷ 139 → ~27.6 lb.

Which weight is billed?

The larger of actual weight and DIM weight.