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BASIC CNC MILL OPERATION

Converting Metric to Standard and Vice-Versa

convertedTo convert millimeters to inches, divide by 25.4.   For example, the  dimension is 18.00 mm.  18/25.4=.7086.  So the dimension is  .7086″.

Conversely if your dimension is 1.25″ and you need the metric equivalent you will multiply.  1.25×25.4=31.75.  You can see that 1.25″ = 31.75mm.

O r you can find a handy conversion app for your smart phone like I did.

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