Gas Pipe Sizing
Estimate natural gas pipe size based on BTU load
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How to Use This Calculator
BTU load.
Length.
Get Size.
Understanding Gas Pipe Sizing Calculations
Pressure drop.
Specific gravity.
Pipe material.
Longest run method.
Formula & Calculations
Table Lookup (NFPA 54)
Key Factors to Consider
Inlet pressure
Fittings
Future load
Material (Black iron/CSST)
Frequently Asked Questions
1100k BTU 50ft?
3/4 inch usually.