Unit of measure for sizes 1 to 3.
Please note:
If you do not enter a unit of measure for the size, the system enters the default unit stored in the IMG for BOMs under Control data.
The size unit and variable-size item unit are interdependent.
Example:
Variable-size item data for a metal sheet
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| Size | Dimension | Entry |
| 1 | Length | 200 |
| 2 | Width | 300 |
Size unit for variable-size item: MM
If you do not enter a formula, the system uses the standard formula: Size 1 * Size 2 (result -> area).
Either the variable-size item unit must have the dimension area (MM2, CM2, M2, and so on), or conversion factors must be maintained in the material master.