Professional plumbing engineering tools for water supply, drainage, pump selection, and system design per IPC/UPC standards.
Size water supply pipes based on flow and velocity
Calculate pressure loss in water piping systems
Calculate drainage pipe slope and fall
Size rainwater downpipes and gutters
Calculate total dynamic head for pumps
Calculate pump motor power requirements
Hanger spacing and rod size per MSS SP-58, NFPA 13 and IPC
Copper pipe size for oxygen, medical air and vacuum (NFPA 99 / HTM 02-01)
Thermal expansion and expansion loop size for metal and plastic pipe
Septic tank volume by users or bedrooms, with dimensions
Litres and gallons in rectangular and cylindrical tanks, and tank size from demand
Calculate Net Positive Suction Head
Calculate CHW flow rates based on cooling load
Calculate WSFU and drainage fixture units
Calculate hot water demand for buildings
Size grease interceptors for commercial kitchens
Design sewage lift stations and wet wells
Calculate pressure surge from water hammer
Size expansion tanks for hydronic systems
Our plumbing calculators help engineers design efficient water supply and drainage systems following international plumbing codes.
Size domestic water pipes, calculate pressure drops, and determine fixture unit loads for residential and commercial buildings.
Calculate total dynamic head, pump horsepower, and NPSH requirements for water booster and transfer pump systems.