MFG -- BoM and UoM Conversion


Well Known Member
In the Item Master the item primary UoM = MT with a conversion to MM of 1000 MM = 1 MT.
In BoM, the quantity is .05 MM. When I create a work order for 100 I expect to get a parts list with 5 MM, but instead it is 5,000 MM.
If I change the BoM to have the same PRIMARY UoM of MT, then it works OR change the primary to MM, then it works. But if I use another UoM, the parts list attached to the WO is wrong.

Is it a "rule" that I have to use the primary UoM in the BoM? Geeeez I hope not..... Is this a known error? Am I doing something wrong?

Xe / Sun / NT


In the Work with item UOM measure conversion- make sure the 1 MT is the
"from" UOM and 1000 is the conversion factor and MM is the "TO" UOM this
should give you a Inverse Conversion of .001. The rule is The Primary
should be the smallest UOM Therefore the Primary = MT and the conversion
should be 1 MT = 1000 MM. At least that's how I think it works in One World

Charlie Malone
Heil Environmental


Well Known Member
Hi Rob,
My client is on 7332 and has the same problem.
My suggestion is do you set the "MM" as your component UOM ? If not, try this first. If still doesn't work, there is a SAR may related this issue -- 5050082 for 7332 and 5080257 for Xe.
I will apply the ESU suggested next week and keep post the result on list.