Because if we had wanted to do math we’d have applied at Google
April 24, 2017
Table 610.3 in the Uniform Plumbing Code provides a matrix of fixture unit values for various fixtures so you do not have to figure this out on your own.
A few years ago, we wrote in Plumbing & Mechanical about the building of large homes with three to four bathrooms, sometimes even a separate bathroom for the kids or grandkids complete with kid-sized fixtures.