CONVERSION FACTORS, INCH-POUND TO METRIC (SI) 
UNITS OF MEASUREMENT 
Inch-pound units of measurement used in this report can be converted to 
metric (SI) units as follows: 
Multiply By To Obtain 
feet 0.3048 metres 
inches 2.54 centimetres 
knots 0.5144444 metres per second 
miles 1.609344 kilometres 
(US statute) 
miles per hour 1.609344 kilometres per hour 
(US statute) 
millibar 100.0000 pascal 
square miles 2589.9980 square kilometres 
(US statute) 
