Conversion Factors
International Systems of Units to Inch/Pound
Multiply |
By |
To obtain |
Length |
centimeter (cm) |
0.3937 |
inch (in.) |
meter (m) |
3.281 |
foot (ft) |
kilometer (km) |
0.6214 |
mile (mi) |
kilometer (km) |
0.5400 |
mile, nautical (nmi) |
meter (m) |
1.094 |
yard (yd) |
Area |
square kilometer (km2) |
247.1 |
acre |
square kilometer (km2) |
0.3861 |
square mile (m2) |
Volume |
cubic meters (m3) |
35.31 |
cubic foot (ft3) |
Velocity |
meter per second (m/s) |
3.281 |
foot per second (ft/s) |
Vertical coordinate information is referenced to the North American Vertical Datum of 1988 (NAVD 88).
Horizontal coordinate information is referenced to World Geodetic System 1984 (WGS 84).
Depth, as used in this report, refers to distance below the vertical datum.
|
U.S. Department of the Interior |
U.S. Geological Survey