gallons per day to acre feet
1 Gallon (US fluid) per day is equal to approximately 4.381 263 638 888 x 10 -8 m 3 /s. 1 Acre-Foot per Year: 1 Acre-Foot per Year is approximately 3.908 748 340 x 10 -5 cubic meters per second (SI unit).00 Gallons (us Fluid) Per Day to Acre-feet Per Year = 0.5604. 9 Gallons (us Fluid) Per Day to Acre-feet Per Year = 0.0101. 600 Gallons (us Fluid) Per Day to Acre-feet Per Year = 0.6725. 10 Gallons (us Fluid) Per Day to Acre-feet Per Year = 0.0112.