| Cubic Feet | Acre-Feet | Acre-Feet | Gallons | Gallons | Cubic Feet | Cubic Meters | Square Mile- |
| per Second | per Day | per Year | per Minute | per Day | per Day | per Day | Inch per Year |
| (ft3/sec) | (acre-ft/day) | (acre-ft/yr) | (gal/min) | (gal/day) | (ft3/day) | (m3/day) | (mi2-in/yr) |
| —1— | 1.9835 | 7.2397X102 | 4.4883X102 | 6.4632X105 | 8.6400X104 | 2.4466X103 | 1.3574X101 |
| 5.0417X10-1 | —1— | 3.6500X102 | 2.2629X102 | 3.2585X105 | 4.3560X104 | 1.2335X103 | 6.8438 |
| 1.3813X10-3 | 2.7397X10-3 | —1— | 6.1996X10-1 | 8.9274X102 | 1.1934X102 | 3.3794 | 1.8750X10-2 |
| 2.2280X10-3 | 4.4192X10-3 | 1.613 | —1— | 1.4400X103 | 1.9250X102 | 5.451 | 3.0244X10-2 |
| 1.5472X10-6 | 3.0689X10-6 | 1.1201X10-3 | 6.9444X10-4 | —1— | 1.3368X10-1 | 3.7854X10-3 | 2.1003X10-5 |
| 1.1574X10-5 | 2.2957X10-5 | 8.3793X10-3 | 5.1948X10-3 | 7.4805 | —1— | 2.8317X10-2 | 1.5711X10-4 |
| 4.0873X10-4 | 8.1071X10-4 | 2.9591X10-1 | 1.8345X10-1 | 2.6417X102 | 3.5314X101 | —1— | 5.5483X10-3 |
| 7.3668X10-2 | 1.4612X10-1 | 5.3333X101 | 3.3065X101 | 4.7613X104 | 6.3649X103 | 1.8024X102 | —1— |
| Source: “Definitions of Selected Ground-Water Terms—Revisions and Conceptual Refinements,” S.W. Lohman, et al., Geological Survey Water Supply Paper 1988, U.S. Geological Survey, United States Government Printing Office, Washington, D.C., Fifth Printing, 1983. | |||||||