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Lead Thickness Chart

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Ray-Bar Stock Sheet Lead

Standard Thickness, Weights and Conversions

Thickness
Fractions
Decimal
Equivalent
mm
Equivalent
LBS. per SQ. FT.
(Approx) 
 1/64"  .0156"  0.3969mm  1#
 1/32"  .0312"  0.7937mm  2#
 5/128"  .0391"  0.9922mm  2.5#
 3/64"  .0469"  1.1906mm  3#
 1/16"  .0625"  1.5875mm  4#
 5/64"  .0781"  1.9844mm  5#
 3/32"  .0937"  2.3812mm  6#
 1/8"  .125"  3.1750mm  8#
 5/32"  .1562"  3.9687mm  10#
 3/16"  .1875"  4.7625mm  12#
 1/4"  .250"  6.3500mm  16#
 3/8"  .375"  9.5250mm  24#
 1/2"  .50"  12.7000mm  30#
 3/4"  .75"  19.0500mm  46#
 1"  1.00"  25.400mm  60#
 1-1/2"  1.50"  38.1000mm  90#
 2"  2.00"  50.8000mm  120#

*All Lead Shielding Requirements must be made by a qualified radiation physicist or other radiation safety expert as defined by NCRP, CRPA, or ICRP