if  you ask for the pallet capacity, should first create the pallet as handling unit, then make the setting, you can set the maximum capacity, or you can make the structure with details part number quantity.

or you just want to maintain the max quantity in bellow view.

you can get more information in bellow online documentation

Procedure

From the Part window:

1. Open the window and click the Handling Unit Capacity tab.
2. Enter which handling unit types can be used for the part, per unit of measure. For each combination of handling unit type and unit of measure for the part, enter the maximum quantity that can be stored in that handling unit type.
3. Save your changes.

From the Part Basic Data window:

1. Open the window and click the Storage Requirement Groups tab.
2. Click the Capacity tab and select a capacity group.
3. In the lower section of the window, enter the maximum quantity per handling unit types and unit of measure that can be used for the selected capacity group.
4. Save your changes.

From the Parts per Handling Unit window:

1. Open the window and search for a handling unit type.
2. In the lower section of the window, enter the maximum quantity per part and unit of measure that can be stored in the selected handling unit type.
3. Save your changes.

From the Handling Unit Capacities window:

1. Open the window.
2. Search and view existing definitions of which handling unit types can be used for parts and the maximum quantity of these combinations.

Hi Basil,
did you try part characteristics?
One of our customers use Length Width Height.
From this we calculate square and cubic meter for BuyQtyDue and InvoicedQty.

All the best

Michael