Modern bathroom cabinets are 32 to 36 inches high including the countertop.
Standard wall mounted sink height.
Even a wall hung sink can be mounted at a height between 30 inches to 36 inches.
The standard height for a guest or master bathroom vanity is 33 to 36.
Check toilet to confirm location water supply connection.
Toilet rough in details.
A wall mounted bathroom sink would normally be mounted at the same height as a sink in a counter in the room.
On the contrary 36 inches is a much more comfortable experience for a tall person.
A sink at 30 inches is fairly standard but if your family is tall you can go to 36 inch and above in my market called a luxury height.
Measured from centerline running vertically through the center of the toilet supply line hole should be 6 inches to the side of centerline.
For kids spaces you might want to have the height top out at 33 inches so that it s easier for them to reach the faucet.
It basically depends on your needs and preference.
For an ada compliant wall hung sink the height has to be somewhere below 34 inches.
Ideally 8 1 4 inches above the floor.
Standard sink heights standard bathroom sink heights range from 29 inches to as much as 36 inches high depending upon personal preference and the type of sink.
Cold water only pipe creates one hole between 5 and 10 inches above the floor supply line horizontal.