Manual of Applied Field Hydrogeology

| Unit | Inch | Feet | Yard | Mile | mm | cm | mr | km |
|---|---|---|---|---|---|---|---|---|
| 1 in. | 1 | 0.08333 | 0.02777 | 1.5783e-05 | 25.40 | 2.54 | 0.0254 | 2.54e-05 |
| 1 ft | 12 | 1 | 3 | 5280 | 304.8 | 30.48 | 0.3048 | 3.048e-04 |
| 1 yd | 36 | 3 | 1 | 5.682e-04 | 914.4 | 91.44 | 0.9144 | 9.144e-04 |
| 1 mile | 63,360 | 5280 | 1760 | 1 | 1.609e06 | 1.609e05 | 1609.3 | 1.609 |
| 1 mm | 0.03937 | 3.2808e-03 | 1.0936e-03 | 6.2137e-07 | 1 | 0.1 | 0.001 | 1e-06 |
| 1 cm | 0.3937 | 0.03281 | 1.0936e-02 | 6.2137e-06 | 10 | 1 | 0.01 | 1e-05 |
| 1 m | 39.37 | 3.2808 | 1.0936 | 6.214e-04 | 1000 | 100 | 1 | 0.001 |
| 1 km | 39.370 | 3280.8 | 1093.6 | 0.621 | 1e06 | 100,000 | 1000 | 1 |
| Unit | Feet 2 | Mile 2 | Acre | Meter 2 | km 2 | Hectare |
|---|---|---|---|---|---|---|
| 1 feet 2 | 1 | 3.587e-08 | 2.296e-05 | 0.09291 | 9.291e-08 | 9.291e-06 |
| 1 mile 2 | 2.788e06 | 1 | 640 | 2.59e06 | 2.59 | 259 |
| 1 acre | 43,560 | 1.5625e-03 | 1 | 4047 | 4.047e-03 | 0.4047 |
| 1 meter 2 | 10.764 | 3.861e-07 | 2.471e-04 | 1 | 1e-06 | 0.0001 |
| 1 km 2 | 1.0764e07 | 0.3861 | 247.1 | 1e06 | 1 | 100 |
| Unit | mL | Liters | Meter 3 | Feet 3 | Gallons | Acre-ft | Million gal. |
|---|---|---|---|---|---|---|---|
| 1 ml | 1 | 0.001 | 1e-06 | 3.531e-05 | 2.6414e-04 | 8.107e-10 | 2.6414e-10 |
| 1 liter | 1000 | 1 | 0.001 | 0.03531 | 0.2641 | 8.107e-07 | 2.641e-07 |
| 1 meter 3 | 1e06 | 1000 | 1 | 35.31 | 264.14 | 8.107e-04 | 2.641e-04 |
| 1 feet 3 | 28,317 | 28.317 | 2.8317e-02 | 1 | 7.481 | 2.2957e-05 | 7.481e-06 |
| 1 gallon | 3785.9 | 3.7859 | 3.786e-03 | 0.1337 | 1 | 3.0691e-06 | 1e-06 |
| 1 acre-ft | 1.2335 e09 | 1.2335 e05 | 1233.5 | 43560 | 3.2583 e05 | 1 | 0.32583 |
| 1e06 gal | 3.7859 e09 | 3.7859 e06 | 3786 | 1.3367 e05 | 1e06 | 3.0691 | 1 |