There
are 7.48 gallons in cubic foot and 748 gallons in one
hundred (100) cubic feet (hcf). In order to express
large volumes of water use, this water use is
expressed in acre feet numbers. One acre foot equals
43,560 cubic feet or 435.6 hundred cubic feet and is
equivalent to 326,700 gallons. Just imagine one acre
foot of land covered by one foot deep in water.
There
are 7.48 gallons in cubic foot and 748 gallons in one
hundred (100) cubic feet (hcf). In order to express
large volumes of water use, this water use is
expressed in acre feet numbers. One acre foot equals
43,560 cubic feet or 435.6 hundred cubic feet and is
equivalent to 326,700 gallons. 
Just imagine one acre
foot of land covered by one foot deep in water.
