Chilled Water Pipe Sizing Calculator
Size chilled water pipes from flow rate so velocity and pressure drop stay within good design limits.
Free · no sign-in requiredPurpose
Size chilled water pipes from flow rate so velocity and pressure drop stay within good design limits.
Inputs required
Flow rate or cooling load with temperature difference, pipe material and design limits.
Standards followed
ASHRAE Fundamentals pipe sizing and Darcy–Weisbach friction.
Free to use. No sign-in needed.
Open the Chilled Water Pipe Sizing CalculatorEngineering reference & methodology
What you get
Pipe size, water velocity and pressure drop per metre.
Results are preliminary design guidance. Verify every value against the edition of each standard adopted by your project or authority having jurisdiction, and against manufacturer performance data, before using it in design or procurement.
Psychrometrics, cooling loads, duct & pipe sizing, pumps, cleanrooms, electrical design and PDF reports.