The PHCC Water Calculator App offers PHCC members a single resource to determine water supply fixture units and minimum fixture branch sizes for common plumbing fixtures, typical pressure drops in water meters, equivalent lengths of fittings. The app also allows a user to input a fixture unit demand, resulting in suggested pipe size, determines GPM demand, pressure drop/100’, and velocity in Type “L” copper pipe; with selectors referenced to the National Standard Plumbing Code, the Uniform Plumbing Code, and the International Plumbing Code. In addition to the calculator, the app serves as an all-in-one membership engagement tool that allows members to directly accesses PHCC information and resources on their portable device. PHCC is now everywhere you are!