0 ´ 10–10 metre
       = 3 937 ´ 10–9 inch
Common Units of Force* and Pressure
1 atmosphere = 760 millimetres of mercury
 = 1 013 ´ 105 pascals
 =  14 70 pounds per square inch
1 bar = 105 pascals
1 torr = 1 millimetre of mercury
1 pascal = 1 kg/ms2 = 1 N/m2
Temperature
SI Base Unit: Kelvin (K)
K  = -273