Plumbing Fixture Count Calculator
Turn an occupant load into the required water closets, lavatories, drinking fountains and service sinks, to IBC Table 2902.1.
The count follows from occupancy classification and occupant load, and the split between male and female is prescribed rather than left to judgement. Assembly and mercantile occupancies are the ones that surprise people – the ratios are far tighter than an office of the same size.
What the plan reviewer checks
This is the calculation most often done late, after the floor plan is fixed. Doing it early is usually the difference between one accessible restroom and two.
Need the whole set drawn and stamped? Ask for a fixed quote, or see the other calculators.
Complete MEP permit set built to get approved.
Every mechanical, electrical, plumbing, and fire sheet your reviewer needs — a fixed quote in 24 business hours, first sets in as few as 5 working days, and city comments answered until your permit is issued.