Natural Gas BTU Calculator

Calculate gas demand, pipe capacity, and BTU delivery for natural gas.

Sum of all appliance ratings.
BTU/hr
Longest pipe run.
ft

Results

Gas Flow Rate-CFH
Pipe Size-
Cost/hr at $1.20/therm-$/hr
References: NFPA 54/ANSI Z223.1; IFGC; UPC/IPC