Toilet Water Supply Rough In. Fix it right the first time, so you won't have to fix it a 2nd time. Bring the rough plumbing up to 18 1/2 inches off the floor, and center it with the sink’s drain.

Cut a hole in the subfloor just large enough for the bottom part of the toilet flange to sit. The stop valve should be as close to flush as possible with the surface of the wall. Supply line (vertical) 8 ¼”.

The Center Of The Toilet Flange Aligns With The Middle Of The Toilet Bolts That Hold The Toilet Bowl In Place.
Toilet supply we rough in at 6 left and up 8 from center of toilet. Installing a new water line to the wall makes it less noticeable, but some people decide to place it under the floor so it comes out and reaches the tank. Shower only set at 48 and shower head out at 82.
Similarly, You Need To Add The Drywall Thickness.
Pedistal lavs set at 22 and 24 to center line. Also, it calls for the supply line valve to be 5. Supply line (vertical) 8 ¼”.
The Ideal Slope For A Drain Is 14 Inch For Each Foot Long.
There are some inspectors that will not allow wet vents. Since most people install 1/2″ drywall, your measurement needs to be 12 1/2″ from the stud wall. Lav water = 21 on 8 centers lav drain = 19 toilet water = 6 off center and 6 high ks water = 21 on 8 centers ks drain = 15 laundry tub water = 12 on 8 centers laundry tub drain = 12 washer box = top at 42 icemaker box = top at 18 how about you?