CSA B149.1-25 Pipe & Tube Sizing Calculator
Professional Gas Line Sizing Tool for Natural Gas & Propane Systems
System Parameters
Type of Fuel:
Natural Gas
Propane
Pipe Material:
Black Iron Schedule 40
Copper Tubing Type G
Working Pressure:
7" w.c.
14" w.c.
2 psi
5 psi
10 psi
20 psi
Allowable Pressure Drop (in. w.c.):
Longest Measured Run (ft):
Total System BTU/hr:
Calculate Main Line Size
Main Line Sizing Results
Branch Line Calculators
Branch 1 - Appliance
Enter BTU to calculate size
Branch 2 - Appliance
Enter BTU to calculate size
Branch 3 - Appliance
Enter BTU to calculate size
Branch 4 - Appliance
Enter BTU to calculate size
Branch 5 - Appliance
Enter BTU to calculate size
Branch 6 - Appliance
Enter BTU to calculate size