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Central Valley Aquifer, Chapters A and B - MAE Class Websites

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Conversion Factors<br />

Inch/Pound to SI<br />

Multiply By To obtain<br />

Length<br />

inch (in.) 2.54 centimeter (cm)<br />

inch (in.) 25.4 millimeter (mm)<br />

foot (ft) 0.3048 meter (m)<br />

mile (mi) 1.609 kilometer (km)<br />

mile, (mi) 1.609 kilometer (km)<br />

Area<br />

acre 4,047 square meter (m 2 )<br />

acre 0.4047 hectare (ha)<br />

acre 0.4047 square hectometer (hm 2 )<br />

acre 0.004047 square kilometer (km 2 )<br />

square foot (ft 2 ) 929.0 square centimeter (cm 2 )<br />

square foot (ft 2 ) 0.09290 square meter (m 2 )<br />

square inch (in 2 ) 6.452 square centimeter (cm 2 )<br />

section (640 acres or 1 square mile) 259.0 square hectometer (hm 2 )<br />

square mile (mi 2 ) 259.0 hectare (ha)<br />

square mile (mi 2 ) 2.590 square kilometer (km 2 )<br />

Volume<br />

acre-foot (acre-ft) 1,233 cubic meter (m 3 )<br />

acre-foot (acre-ft) 0.001233 cubic hectometer (hm 3 )<br />

Flow rate<br />

acre-foot per day (acre-ft/d) 0.01427 cubic meter per second (m 3 /s)<br />

acre-foot per year (acre-ft/yr) 1,233 cubic meter per year (m 3 /yr)<br />

acre-foot per year (acre-ft/yr) 0.001233 cubic hectometer per year (hm 3 /yr)<br />

Hydraulic conductivity<br />

foot per day (ft/d) 0.3048 meter per day (m/d)<br />

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

°F=(1.8×°C)+32<br />

Vertical coordinate information is referenced to the National Geodetic Vertical Datum of 1929<br />

(NGVD 29).<br />

Altitude, as used in this report, refers to distance above or below the NGVD 29.<br />

NGVD 29 can be converted to the North American Vertical Datum of 1988 (NAVD 88) by using the<br />

National Geodetic Survey conversion utility available at URL http://www.ngs.noaa.gov/TOOLS/<br />

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