Interval: A scale that represents quantity and has equal units but for which zero represents simply an additional point of measurement is an interval scale. The Fahrenheit scale is a clear example of the interval scale of measurement. Thus, 60 degree Fahrenheit or -10 degrees Fahrenheit represent interval data.
Convert Gallons to Acre-feet: Divide Gallons by 325,851. Example: An 800,000 gallon pond = 2.46 acre feet. Convert Acre-feet to Gallons: Multiply Acre-feet by 325,851. Example: A 5 acre-foot pond = 1,629,255 gallons. Background. One acre-foot is equivalent to one-acre of water that is one-foot deep. An acre is a measure of surface area that totals 43,560 square feet. An acre can be of any shapeâa rectangle, a triangle, a circle, or even a starâso long as its area is exactly 43,560 square feet.
ACRE FOOT TO CUBIC FOOT (ac TO ft3) FORMULA. To convert between Acre Foot and Cubic Foot you have to do the following: First divide 0.028316847*43560 / 0.000016387064*1728 = 43560.00062763. Then multiply the amount of Acre Foot you want to convert to Cubic Foot, use the chart below to guide you. 1  1 acre foot in cubic foot = 43560.00062763 ac. 2  10 acre foot in cubic foot = 435600.00627629 ac. 3  50 acre foot in cubic foot = 2178000.03138146 ac.  100 acre foot in cubic foot = 4356000.06276292 ac.