Drainage Pipe Calculator

Select drainage pipe diameter from fixture drainage load units — free plumbing design tool

Related Categories:Building Services

Fixture Selection

Lavatory (DFU: 1)

Toilet (Flush Tank) (DFU: 4)

Toilet (Flush Valve) (DFU: 6)

Bathtub (DFU: 2)

Shower (DFU: 2)

Kitchen Sink (DFU: 2)

Washing Machine (DFU: 3)

Floor Drain (DFU: 2)

Urinal (DFU: 2)

Dishwasher (DFU: 2)

Select fixtures to see the calculation results