Quelques conversions :
POUCE
1 in = 1 inch = 1" = 1 pouce = 2.54 cm
FOOT
1 ft = 1 foot = 1' = 1 pied = 12 in = 30.48 cm
YARD
1 yd = 1 yard = 3 ft = 0.9144 m
MILE
1 mi (US) = 1 mile (US) = 1760 yd = 1.60934 km
OZ
1 oz = 1 ounce = 1/16 lb = 28.3495 g
lb
1 lb = 1 pound = 16 oz = 0.453592 kg
BAR/Pa/PSI
1 bar = 105 Pa
1 psi = 6894.76 Pa
1 bar = 14.5038 psi
http://www.personal.psu.edu/faculty/n/x/nxf10/scitab/unitsconst.htm