What size of LFNC-B conduit required for three 12-2 UF-B cables for a run less than 2 feet?

[curioiusv]

I checked this site - https://conduit.site/tables/chpt9-table4.php?option=LFNC-B
and it confuses me - so asking here

I already have 3/4" - but if that wont work 1" lfnc-B or PVC will work?

 

[tom baker]

We are not allowed to assist DIYers per forum rules.