Conversion Factors

SI to Inch/Pound

Multiply	By	To obtain
Length
millimeter (mm)	0.03937	inch (in.)
meter (m)	3.281	foot (ft)
kilometer (km)	0.6214	mile (mi)
meter (m)	1.094	yard (yd)
Area
square kilometer (km2)	247.1	acre
square kilometer (km2)	0.3861	square mile (mi2)
Volume
cubic meter (m3)	0.0008107	acre-foot (acre-ft)
Flow rate
cubic meter per second (m3/s)	70.07	acre-foot per day (acre-ft/d)
cubic meter per second (m3/s)	35.31	cubic foot per second (ft3/s)
cubic meter per second (m3/s)	22.83	million gallons per day (Mgal/d)

Inch/Pound to SI

Multiply	By	To obtain
Volume
acre-foot (acre-ft)	1,233	cubic meter (m3)
acre-foot (acre-ft)	0.001233	cubic hectometer (hm3)

Concentrations of chemical constituents in water are given either in milligrams per liter (mg/L) or micrograms per liter (µg/L).

 

Datums

Vertical coordinate information is referenced to the North American Vertical Datum of 1988 (NAVD 88).

Horizontal coordinate information is referenced to the North American Datum of 1983 (NAD 83).

 

Elevation, as used in this report, refers to distance above sea level based on NAVD 88.

First posted February 28, 2013