Conversion Factors, Non-SI to 

 SI Units of Measurement 



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

 follows: 



Multiply 



By 



To Obtain 



acres 



4,046.873 



square meters 



cubic feet 



0.2831685 



cubic meters 



cubic yards 



0.764559 



cubic meters 



degrees (angle) 



0.01745329 



radians 



feet 



0.3048 



meters 



inches 



2.54 



centimeters 



knots (international) 



0.51444444 



meters per second 



miles (U.S. nautical) 



1.852 



kilometers 



miles (U.S. statute) 



1.609347 



kilometers 



pounds (mass) 



0.4535924 



kilograms 



tons (short) 



0.9078 



tons (metric) 



