|Table of Contents |Section Contents|

PREFERRED SI UNITS FOR THE DEFLECTION OF BEAMS

Deflection, y, = f((Force * l^3)/(E * I)) or Deflection, y, = f((w * l^4)/(E * I))

Force or        
w * l  l    I       E      y
-----  ---  -----   ----   -------
N      m    m^4     MPa    micro-m
kN     m    m^4     GPa    micro-m
N      cm   mm^4    GPa    mm
N      mm   mm^4    GPa    micro-m
-----  ---  -----   ----   -------