One acre-foot is roughly a football field with 1 ft of standing water
One acre-foot is believed to supply a family of 5 for one year.

1 cubic foot per second (cfs) = 448.8 gallons per minute
1 acre-foot/yr for a Single Family home w/3 acres
1 cubic foot per second (cfs) = 646,360 gallons per day
1 cfs = 40 Montana Miners Inches
1 cfs running for 24 hours = 1.983 acre-feet
1 cfs running for 30 days = 59.5 acre-feet
1 cfs running for 1 year = 724 acre-feet
1 million gallons = 3.07 acre-feet
1 million gallons per day (mgd) = 1,122 acre-feet per year
1,000 gallons per minute (gpm) = 2.23 cfs
1,000 gpm = 4.42 acre-feet per day
1 cubic foot = 7.48 gallons = 62.4 pounds of water
1 acre-foot = 43,560 cubic feet = 325,900 gallons

Linear Measure

1 Inch=................................................. .0833 Ft
7.92 Inches=....................................... 1 Link
12 Inches=.......................................... 1 Foot
1 Vara= approx................................... 33 Inches
2 ¾ Feet=approx................................ 1 Vara
3 Feet=................................................. 1 Yard
25 Links=............................................. 16 ½ Feet
25 Links=............................................. 1 Rod
100 Links=.......................................... 1 Chain
16 ½ Feet=.......................................... 1 Rod
5 ½ Yards=.......................................... 1 Rod
4 Rods=............................................... 100 Links
66 Feet=.............................................. 1 Chain
80 Chains=......................................... 1 Mile
320 Rods=........................................... 1 Mile
5280 Feet=.......................................... 1 Mile
1760 Yards=....................................... 1 Mile

Square Measure

144 Sq. In.=......................................... 1 Sq. Ft.
9 Sq. Ft.=............................................. 1 SQ Yard
30 ¼ Sq Yards=.................................. 1 Sq. Rod
16 Sq. Rods=...................................... 1 Sq Chain
1 Sq. Rod=.......................................... 272 ¼ Sq. Ft.
1 Sq. Chain=...................................... 4356 Sq. Ft.
10 Sq Chains=................................... 1 Acre
160 Sq. Rods=.................................... 1 Acre
4840 Sq. Yards=................................ 1 Acre
43560 Sq. Ft.=.................................... 1 Acre
640 Acres=.......................................... 1 Sq Mile
1 Section=........................................... 1 Sq. Mile
1Twp.=................................................. 36 Sq. Miles
1 Twp.=................................................ 6 Sq. Miles
1 Acre=................................................ 43,560 Sq. Ft.

165 Feet x 264 Feet      or         198 Feet x 220 Feet
5280 Feet x 8.25 Feet   or    2640 Feet x 16.50 Feet
1320 Feet x 33 Feet      or            660 Feet x 66 Feet

330 Feet x 132 Feet      or       160 Square rods

208’8 ½” Square            or 208.71033 Feet Square*