For linear runs up to 80 feet a 1" pipe will suffice any longer and you will have to step up to 1 1/4". You will also want to consult your gas provider and make sure the meter has enough capacity, if it is too small a larger meter will be fitted. This is usually free of charge.
0.0054542 cubic feet.
A 14-inch diameter by 20 foot long pipe has a volume of: 21.38 cubic feet.
A 100-foot pipe with a 6-inch diameter has a volume of: 19.63 cubic feet.
Answering "How many Cubic feet are in a 5.5 inch pipe inside 50 feet long?"
A 4-inch diameter pipe that is 3,000 feet long has a volume of: 261.8 cubic feet.
A 6-inch diameter pipe that is 16 feet long has a volume of: 3.14 cubic feet
172.78 cubic feet.
2,181.66 cubic feet.
A PVC pipe 2,640 feet long with an inside diameter of 10 inches has a volume of: 1,440 cubic feet.
This pipe has a volume of 24.5 cubic feet.
1.96 cubic feet.
7.854 cubic feet.