Last updated: 2025-09-24

Length weight calculation (window)

Settings > Weight calculation and then click on or at the drop-down menu Length weight calculation.

In this Price item

In the Length weight calculation window, you can set the rules for weight calculations of long goods. For more information, see Setting up weight calculation for long goods and Calculating the pricing weight.

General

General

Function

Description

Name

Enter the name of the length weight calculation.

Description

Free text field for internal notes. The description is not displayed anywhere else but here.

Calculate length weight only if stackable

: If you want goods to be considered as long goods only if they are stackable.

: If you want goods to be considered as long goods regardless of whether they are stackable or not.

You decide what you want 'stackable' to mean in your organisation.

You can specify per package whether it is stackable or not.

For example, if you are transporting flagpoles, you can use the surface several times (by loading several flagpoles on top of each other, or laying the flagpoles on top of other goods). Flagpoles are durable and not very heavy. Therefore, the length weight, and therefore the price, can be lower than if the entire width of the vehicle had been used.

Minimum

Function

Description

Lowest length for length weight calculation

Enter the minimum length of the package for the long goods weight calculation to be performed. If the parcel is shorter than the specified minimum length, no length weight is calculated for the parcel.

Lowest length weight

Enter the minimum length weight that this calculation can return.

For example, if you have entered 35kg in the field, and if the total of the long goods weight calculation is 22kg (i.e. less than 35kg), Opter will use 35kg as the result of the long goods weight calculation.

Maximum

Function

Description

Maximum length

Enter the maximum length of the package for the long goods weight calculation to be performed.

Maximum width

Enter the maximum width of the package for the long goods weight calculation to be performed.

Maximum height

Enter the maximum height of the package for the long goods weight calculation to be performed.

Maximum total height for delivery

Enter the maximum total height of the order for the long goods weight calculation to be performed.

Multiple package settings

Select how to perform the long goods weight calculation if the order contains more than one parcel.

Function

Description

Length to use

Select the length to be used for the long freight bay calculation:

  • Maximum: Use the length of the longest package when calculating the long goods weight.

  • Sum from all packages: Use the sum of the lengths of all packages as the "length" for the long goods weight calculation.

    If you choose Sum from all packages as Length to use, we recommend that you use Maximum as Width to use (see below).

  • Individual: Use the length of each individual parcel.

    The length weight is calculated separately for each package, then these separate length weights are totalled.

Width to use

Select the width to be used for the long fold calculation:

  • Maximum: Use the width of the widest package for the long goods weight calculation.

  • Sum from all packages: Use the sum of the widths of all packages as the "width" for the long goods weight calculation.

  • Individual: Use the width of each individual parcel.

    The length weight is calculated separately for each package, then these separate length weights are totalled.

Rules

In the table, enter the rules that will apply to the long goods weight calculation. Enter one line per row.

In the first four columns (Width, Height, Length and Weight) you indicate which conditions apply. On each line, you can enter one or more terms, for example Width and Height, or just Width.

In the next two columns (kg/m and Fixed weigth), enter the result you want. Choose whether to use a fixed length weight (Fixed weigth) for a row, or whether to use a factor (kg/m) to multiply the number of metres by. For more information and examples, see Setting up weight calculation for long goods.

Opter checks the rules from top to bottom of the table, so it is important that you put the rules in the right order. You can use the arrow buttons to move a line up or down, so that you get the rules in the order you want.

Function

Description

Width

Enter the condition for Width in number of metres (m).

For example, if you enter "1.61", it means that Opter checks if the width of the package is 1.61 metres or more, and if so, Opter uses the factor in the column kg/m or the value in the column Fixed weigth for the weight calculation. If the width of the collit does not meet the requirement "1.61 metres or more", Opter moves on and checks the next row in the table.

Height

Enter the condition for Height in number of metres (m).

Length

Enter the condition for Length in number of metres (m).

Weight

Enter the condition for Weight in kilograms (kg).

kg/m

Indicate the factor you want to use for the long goods weight calculation on the relevant row. That is, specify how many kilograms one metre should correspond to.

Fixed weigth

Enter the length weight you want the rules on the line to GIF. Enter Fixed weigth in kilograms (kg). Enter Fixed weigth or kg/m.

You can use the arrow buttons to move a row up or down, so that you get the rules in the order you want. Opter checks the rules from top to bottom of the table.

Click on to delete the row.

See also