Scientific Investigations Report 2007–5038

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5038

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Conversion Factors and Datums

Conversion Factors

Multiply By To obtain
cubic foot per second (ft3/s) 0.02832 cubic meter per second (m3/s)
foot (ft) 0.3048 meter (m)
foot per day (ft/d) 0.3048 meter per day (m/d)
inch (in.) 25.4 millimeter (mm)
inch per day (in/d) 25.4 millimeter per day (mm/d)
inch per month (in/mo) 25.4 millimeter per day (mm/mo)
joule (J) 0.0000002 Kilowatt hour (kWh)
kilopascal (kPa) 0.009869 atmosphere, standard (atm)
meter per second (m/s) 3.281 foot per second (ft/s)
mile (mi) 1.609 kilometer (km)
square mile (mi2) 2.590 square kilometer (km2)

Temperature in degrees Celsius (°C) may be converted to degrees Fahrenheit (°F) as follows:

°F=(1.8×°C)+32.

Temperature in degrees Fahrenheit (°F) may be converted to degrees Celsius (°C) as follows:

°C=(°F-32)/1.8.

Datums

Vertical coordinate information is referenced to the North American Vertical Datum of 1929 (NAVD 29).

Horizontal coordinate information is referenced to the North American Datum of 1927 (NAD 27).

Altitude, as used in this report, refers to distance above the vertical datum.

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