Understanding Water Equivalents Table

Understanding Water Equivalents Table

 

  • 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.
  • One acre-foot/yr for a Single Family home w/3 acres.
  • 1 cubic foot per second (cfs) = 448.8 gallons per minute
  • 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