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.
Using a cost-per-square-foot measurement will help you make an objective analysis of any home you hope to build. The average building cost per square foot is roughly $80 in the U.S., according to the National Association of Home Builders (NAHB).ivide that by the square footage to get an idea of the cost per square foot to build a new home. Of course, the above cost estimate includes all the materials on top of labor, so you might want to do more specific work to get a better estimate.