100 gauge = 1/1000 of an inch.
1 inch = 25.4mm
Therefore:
500 gauge = (5/1000) x 25.4mm = 0.127mm = 1.27 x 10-4m = 127 x 10-6m.
As we know 10-6 is a micro meter
Then: 500guage = 127 microns.
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A 500 gauge polythene sheet is approximately 0.125 millimeters thick. The thickness is derived from the standard conversion where 1 gauge is equal to 0.254 millimeters. Therefore, 500 gauge translates to 500 x 0.254 mm, resulting in a thickness of about 127 millimeters, which is often rounded to 0.125 mm for practical purposes.
Metal gauge is inversely proportional to thickness, the bigger the thickness lesser the gauge. Following is conversion table:- 10 G : 3.15 MM 11 G : 2.8 MM 12 G : 2.5 MM etc....
1.27 mm
In Imperial standard (swg), 16 g is 0.064" (1.63mm) thick.
ANSWERIn the case of polythene, gauge can be converted to thickness by dividing by four to get the thickness in micron or dividing by 4000 to get the thickness in mm. Here are some common examples:100 gauge = 25 micron = 0.025mm120 gauge = 30 micron = 0.03mm200 gauge = 50 micron = 0.05mm250 gauge = 62.5 micron = 0.0625mm400 gauge = 100 micron = 0.1mm