UPS Dimensional Weight Calculator
Compare actual weight to DIM weight for UPS.
Formula
DIM weight (lb) = ceil((L × W × H) ÷ 139). Billable weight = max(DIM, actual).
UPS DIM divisor commonly 139. Confirm current UPS guidance.
Worked example
18×12×10 in, 5 lb → DIM 16 lb, billable 16 lb.