How to use the result
Replace the sample divisor and rate with the exact terms from the shipping line. Add handling, insurance, remote-area, fuel, tax, or brokerage charges where applicable.
Formula
Volumetric weight = length x width x height / divisor. The carrier normally bills the greater of actual and volumetric weight, then applies its own rounding step and minimum charge.
A calculator cannot determine whether a route accepts your product or whether customs charges will apply.