Determining the size around a package is accomplished by adding the measurement of its shortest sides together and multiplying that sum by two. This result is then added to the measurement of the longest side of the package. For example, if a box measures 10 inches wide, 12 inches high, and 18 inches long, the calculation would be: (10 + 12) x 2 + 18. Thus, the dimensional measurement is 62 inches.
This dimensional measurement is significant because it helps shipping companies determine the space a parcel occupies relative to its actual weight. Utilizing this figure enables the accurate pricing of shipping costs, preventing discrepancies and ensuring fair charges based on the space consumed during transit.Historically, weight was the primary factor. However, as packages became larger and lighter, dimensional volume became an essential consideration for efficient logistical operations and revenue management.