You purchase for example 6 cans of beer and you sell one six pack containing those 6 cans ... so the six pack is the pack unit.
enable the use of pack units in settings - company settings - product and service settings
Create a new pack unit by typing "new pack unit" into the main search bar:
or clicking here: New Pack Unit
The example above show a pack unit "Six Pack" that contains of 6 pieces of a product.
Create a sales price list for your pack unit items in sales - sales price lists. Please note that you will need to define the unit price to reach the total of your pack unit.
In this case 6 Beer would end up in 12.00 for a Six Pack
You can now create a sales document using the pack units
You purchase for example those single cans and sell the six pack, your inventory movements will show those 6 unities as withdrawal!