To change the unit of measurement of the stock item included in a stocktaking record, select this stock item and choose the Change unit of measurement command from the context menu.

This will open a window where you can select a unit of measurement for the stock item.

Specify the desired unit of measurement for the stock item in the selection window. This will change the unit of measurement in the collation report, and the selection window will close.

After changing the stock item unit of measurement, you must save the stocktaking record. Then, if necessary, change the quantity of the stock item.