10 



Table 1 (continued) 

 CONVERSION FACTORS 



B. Area: (continued) 



1 square centimeter (cm.') 

 = 10' ram. 1 

 = 0.1550003 in.' 



1 square meter (m.') 

 = 10 4 cm. 8 

 = 1550.003 in.' 

 = 1076391 ft. 8 



1 square kilometer (km.') 

 = 10 10 cm.' 

 = 10" m.' 



= 1.076391 X 10 7 ft.' 

 = 247.1054 acre 

 = 0.3861022 stat. mi.' 



1 square foot (ft.') 



= 144 in.' 



= 929.0304 cm. s 



= 0.09290304 m.' 

 1 square yard (yd. 2 ) 



= 9 ft.' 



= 8361.2736 cm.' 



= 0.83612736 m.' 

 1 acre 



= 43560 ft.' 



= 4840 yd.' 



= 4046.8564 m.' 

 1 square statute mile (stat. mi. 2 ) 



= 2.78784 X 10 7 ft.' 



= 640 acres 



= 2.58999 km. 3 



C. Volume: 



1 cubic centimeter (cm. 8 ) 



= 0.999972 ml. 



= 0.0610237 in.* 



= 0.0338140 U. S. fl. oz. 

 1 cubic meter (m. 8 ) or stere (s.) 



= 10" cm. 8 



= 999.972 1. 



= 35.3147 ft. 8 



= 264.172 U. S. gal. 



= 219.97 Brit. gal. 

 1 milliliter (ml.) 



= 1.000028 cm. 8 



= 0.0610255 in. 8 



= 0.033815 U. S. fl. oz. 



= 0.035196 Brit. fl. oz. 

 1 liter (1.) 



(1 liter is defined as the volume 

 occupied by 1 kilogram of water 

 at its temperature of maximum 

 density.) 



= 1000.028 cm. 8 



= 61.0255 in. 8 



= 33.815 U. S. fl. oz. 



= 1.05672 U. S. qt. 



= 0.264179 U. S. gal. 



= 35.196 Brit. fl. oz. 



1 cubic inch (in. 8 ) 



= 0.554113 U. S. fl. oz. 



= 16.3871 cm. 8 



= 16.3866 ml. 

 1 cubic foot (ft. 8 ) 



= 1728 in. 8 



= 29.9221 U. S. qt. 



= 7.48052 U. S. gal. 



= 28316.8 cm. 8 



= 28.3161 1. 

 1 fluid ounce, U. S. (U. S. fl. oz.) 



= 1.80469 in. 8 



= 29.5735 cm. 8 



= 29.5727 ml. 



= 1.0408 Brit. fl. oz. 

 1 fluid ounce, British (Brit. fl. oz.) 



= 1.7339 in. 8 



= 28.413 cm. 8 



= 28.412 ml. 



= 0.96076 U. S. fl. oz. 

 1 quart, liquid, U. S. (U. S. qt.) 



= 57.75 in. 8 



= 32 U. S. fl. oz. 



= 946.353 cm. 8 



= 0.946326 1. 

 1 gallon, U. S. (U. S. gab) 



= 231 in.3 



= 128 U. S. fl. oz. 



= 133.23 Brit. fl. oz. 



= 0.83267 Brit. gal. 



= 3785.41 cm. 8 



= 3.78531 1. 



(continued) 



SMITHSONIAN METEOROLOGICAL TABLES 



