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Units of Acceleration Acceleration
Units of Substance Amount of
     Substance
     (clinical data)
Units of Angle Angle
Units of Area Area
Units of Capacity Capacity
Units of Density Density
Units of Distance Distance
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     Consumption
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Area Conversion


Factors in boldface are exact

Conversion Factors for AREA and SECOND MOMENT of AREA


To convert from                           to                             Multiply by        
acre (based on U.S. survey foot)          square meter (m²)              4.046 873 E+03     
acre                                      square meter (m²)              4.0468564224E+03   
are (a)                                   square meter (m²)              1.0 E+02           
barn (b)                                  square meter (m²)              1.0 E-28           
circular mil                              square meter (m²)              5.067 075 E-10     
circular mil                              square millimeter (mm²)        5.067 075 E-04     
foot to the fourth power (ft4)            meter to the fourth power(m4)  8.630 975 E-03     
hectare (ha)                              square meter (m²)              1.0 E+04           
inch to the fourth power (in4)            meter to the fourth power(m4)  4.162 314 E-07     
square foot (ft²)                         square meter (m²)              9.290 304 E-02     
square inch (in²)                         square meter (m²)              6.4516 E-04        
square inch (in²)                         square centimeter (cm²)        6.4516 E+00        
square mile (mi²)                         square meter (m²)              2.589988110336E+06 
square mile (mi²)                         square kilometer (km²)         2.589988110336E+00 
square mile(based on US survey foot)(mi²) square meter (m²)              2.589 998 E+06     
square mile(based on US survey foot)(mi²) square kilometer (km²)         2.589 998 E+00     
square yard (yd²)                         square meter (m²)              8.3612736 E-01     
township (36 mi²)                         square meter (m²)              9.3239571972096E+07
Copyright (c) 1999 2009 N C Ricketts All rights reserved. Last revised: December 20, 2008