12 



Table 1 (continued) 

 CONVERSION FACTORS 



E. Velocity; speed: (continued) 



1 degree of latitude per day (°lat. 

 day" 1 ) 



= 1.2863 m. sec." 1 

 = 4.6307 km. hr." 1 

 = 2.4987 =* 2.5 knots 

 = 2.8774 mi. hr. 



1 foot per second (ft. sec. \ fps) 

 = 0.592085 knot 

 = 0.681818 mi. hr." 1 

 = 60 ft. min." 1 

 = 0.3048 m. sec." 1 

 = 1.09728 km. hr." 1 



1 foot per minute (ft. min. -1 , fpm) 

 = 0.00986808 knot 

 = 0.0113636 mi. hr." 1 

 = 0.00508 m. sec." 1 

 = 0.018288 km. hr." 1 



F. Mass: 



1 gram (g.) 



= 15.4324 gr. 



= 0.0352740 oz. 



= 0.002204623 lb. 

 1 kilogram (kg.) 



= 10 s g. 



= 35.2740 oz. 



= 2.204623 lb. 

 1 metric ton, tonne (t.) 



= 10 s kg. 



= 2204.623 lb. 



= 1.10231 short tons 



= 0.9842107 long ton 



1 grain (gr.) 



= 0.0647989 g. 



= 0.00228571 oz. 

 1 ounce avoirdupois (oz.) 



= 437.5 gr. 



= 28.3495 g. 

 1 pound avoirdupois (lb.) 



= 7000 gr. 



= 16 oz. 



= 453.5923 g. 



= 0.4535923 kg. 

 1 short ton 



= 2000 lb. 



= 0.892857 long ton 



= 907.1846 kg. 



= 0.9071846 t. 

 1 long ton 



= 2240 lb. 



= 1.12 short tons 



= 1016.047 kg. 



= 1.016047 t. 



G. Density, specific volume: 

 1 g. cm."* 



= 62.4280 lb. ft." 3 

 = 1 t. m."* 

 1 cm. 8 g." 1 



= 0.0160185 ft. 3 lb." 1 



1 lb. ft." 3 



= 0.0160185 g. cm. 

 1 ft. 3 lb." 1 



= 62.4280 cm. 3 g 



S „ -1 



H. Viscosity 

 1 poise 



= 1 g. cm." 1 sec." 1 

 = 0.002089 lb. (wt.) sec. 

 ft." 3 



1 lb. (wt.) sec. ft." 3 

 = 478.8 poises 



(continued) 



SMITHSONIAN METEOROLOGICAL TABLES 



