Plumbing is not an easy thing. We must connect the sink, toilet or bathtub in the end where it is not the hardest thing. You have to understand the measurements of the plumbing itself. Thus, here is plumbing measurements for bathrooms that will guide you determine the numbers.
You have to divide parts into 6 parts which each of them also belong to each toilet, sink, and shower or tub. Those interrelated parts consist of vertical supply line, horizontal supply line, and drain hole from back hole. Besides three of them, there will be drain hole vertically, side to side buffer fixture, and front buffer fixture.
Let’s talk about vertical supply line first. This vertical supply line requires 8 ¼ inches for toilet plumbing. Meanwhile, for the sink, it needs 2 inches and 3 inches line higher than drain pipe. The shower/tub needs until 80 inches for shower and 18 inches for tub. For the horizontal supply line for toilet is maximum 6 inches from center. Sink needs 4 inches to the left and right of center. Meanwhile, shower and tub, each of which needs 8 inches.
The measurements of back wall drain hole for toilet is 12 ½ inches and none for the sink. There must be 14 inches for shower and tub. In contrast, toilet and shower have none of the measurement while the sink requires 16 inches to 20 inches pipe. The fixture that is side to side the buffer use approximately 15 inches or 18 inches for toilet. Besides that, for the sink is about 15 inches to 20 inches; as well as 18 inches for shower. The toilet and sink inquire same measurement which is 21 inches for fixture that is in front of the buffer. Lastly, shower/tub inquires at least 18 inches.