CONVERSION FACTORS, NON-SI TO SI (METRIC) 

 UNITS OF MEASUREMENT 



Non-SI units of measurement used in this report can be converted to SI 

 (metric) units as follows: 



Multiply By To Obtain 



feet 0.3048 metres 



miles (US statute) 1,609344 kilometres 



pounds (mass) 0.4535924 kilograms 



pounds (mass) per cubic foot (pcf) 16.01846 kilograms per cubic metre 



tons (2,000 lb. mass) 907.1847 kilograms 



