Visual representation of pipe flow parameters.
Calculate Required Pipe Size
Find the minimum pipe diameter needed to handle a specific flow rate with a given slope.
Recommended Minimum Pipe Diameter
— inches
Commercial Standard Size: —“
Calculate Flow Capacity
Check how much water a specific existing pipe can carry.
Maximum Flow Capacity
— cfs
Equals to — GPM
Velocity: — ft/s
Rational Method Runoff (Q = CIA)
Calculate peak stormwater runoff from a specific drainage area.
Peak Runoff Rate (Q)
— cfs
— GPM
Use this Flow Rate (Q) in the “Pipe Sizing” tab.