1 1 cubic foot natural gas = 0.012 gallons natural gas. 2  100 cubic feet natural gas = 1.2 gallons natural gas. 3  1 gallon natural gas = 82.62 cubic feet natural gas.  100 gallons natural gas = 8262 cubic feet natural gas.
Depending on finishes tile vs vinyl in wet area's, material selected for shower surrounds, counters tops, fixtures both plumbing and electrical and quality of cabinetry, your looking at $85 to $100 per square foot to build a basic home.epending on finishes tile vs vinyl in wet area's, material selected for shower surrounds, counters tops, fixtures both plumbing and electrical and quality of cabinetry, your looking at $85 to $100 per square foot to build a basic home.
There really is no way to get close to a number per square foot with out seeing the home, understanding what needs to be done, etc. Building costs for homes can range anywhere from $60-$200+ per square foot depending on many, many things.