Online Sizing Calculator
Provide the following criteria and then click calculate below.

Enter the following Project Information to create your report:

   
Enter Your Domestic Water Supply Parameters: Calculation:
  + PSI
  - PSI
x 0.433 - PSI
  - PSI
Available Pressure For Friction Loss    =    PSI

Enter Your Piping Supply Information: Calculation:
  + FT
  + FT
Total Developed Length    =    FT
Friction Loss Rate Per Foot (Friction Loss / TDL)    =    PSI/FT
Friction Loss Rate per 100 Feet (Friction Loss / TDL * 100)    =    PSI/100FT

Enter Your System Parameters for Each Table:
A   B   C  
    Water Size Table Temperature (°F)
Max. Velocity Per Water Temp (ft./sec.)
WSFU Predominant Fixture Curve
Choose the code that your state or local AHJ has adopted.
State specific codes are only listed if the fixture unit to
gpm conversion differs from a model code.
Calculate
For each calculator, provide the criteria and then click calculate.

Enter the following Project Information to create your report:

   
Enter Your Water Properties:
 

Calculate

Enter your distribution system parameters for each column to generate GPM flow ranges based on pipe size and input parameters:
Water
Temp 1
  Water
Temp 2
  Water
Temp 3
  Water
Temp 4
 
     

Pipe Material

       

Pipe Category

       

Water Temperature (°F)

Min. Velocity (ft./sec.)

Max. Velocity (ft./sec.)

Maximum Head Loss Per 100 Ft. of Pipe (ft.)

Glycol Mixture (%)

Calculate

Enter Your PEX Pipe Parameters: Enter Your Water Properties:
 
 
 
 

Results:

Velocity Output    =    FT/SEC
Fitting Head Loss    =    FT
Pipe Head Loss    =    FT
Total Friction Head Loss    =    FT
Total Friction Pressure Loss    =    PSI

Calculate

Provide the following criteria and then click calculate below.

Enter the following Project Information to create your report:

   
Enter Your Pipe Parameters: Enter Your Water Properties:
 
 

Results:

Velocity Output    =    FT/SEC
Total Friction Head Loss    =    FT
Total Friction Pressure Loss    =    PSI

Calculate

The Uponor pipe heat-loss calculator uses cylindrical thermal resistance methodology, as supported in ASHRAE handbooks, to determine the pipe heat loss and surface temperature for aboveground building applications.

Provide the following criteria and then click calculate below.

Enter the following Project Information to create your report:

   
Enter Your Pipe Parameters: Enter Your Temperature Properties:
   
     
 
   

Results:

Heat Loss per Foot    =    Btu/(hr·ft)
Skin Temperature    =    °F

Calculate