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Scale Base


Defines how the system interprets the scale.


A scale base is a parameter or a factor that can influence transportation charges. Possible scale bases include the following:

  • Product
  • Package type
  • Weight
  • Volume
  • Means of transport
  • Location
  • Distance
  • Business partner

Calculation Base


Identifies the actual base or factor with which the system calculates the charges for the scale.


There can be various scenarios in which the system must calculate a charge for different forms of weights, for example, gross weight and net weight. In this case, both gross weight and net weight correspond to the scale base Weight (W), whose dimension is mass. However, by definition, gross weight and net weight are two entirely different charge aspects. Therefore they have two different calculation bases, such as "W1" for gross weight and "W2" for net weight.

To follow the scenario given here, you define a calculation base for every scale base. This calculation base is the final element in the charge determination. This means that the calculation base is used to determine the charges.


For a scale based on distance, the calculation base can be the absolute distance between the source location and the destination location.

You enter data as follows:

Scale BaseD (Distance)
Calculation BaseD1 (Absolute distance between the source location and the destination location)

You can define scale base and Calculation Base in SPRO --->