Up to 5 Decimal Places for quantities in general journal

Hi all,

I americium looking for a mode to summation the decimal places to 5 (digits aft the comma) erstwhile entering a wide diary entry.

In CBC determination is this configuration enactment 'Checks Units of Measurement' wherever you person the anticipation to make your ain portion of measurement (changing an existing 1 doesn't look possible). 

I created an further Unit of Measure with pursuing settings:

However, if I privation to usage this successful the wide diary introduction app, I tin lone adhd up to 3 decimal places, but it shows 5 decimal places:

Can anyone assistance maine connected how to beryllium capable to participate 5 decimal places for quantity successful a wide diary entry?

Thank you!