"Mike Marlow" wrote in news:88d71$4f39de92
:

wrote:


But what is 0.525mm easier than 3/8" ?
It's not. But when DESIGNING in metric, everything is done in tens or
tenths, hunreds or hundredths. So 1MM is .01CM, none of the silly 12
inches to a foot, 3 feet to a yard, 36 inches to a yard etc, and none
of the .125 inches to the 1/8 inch. You design to the .1meter or
.01meter, or 12.5mm or whatever and never need to convert by anything
more complicated than moving decimal points to convert from one unit
to another.

Ha! - you make it sound so easy...

Unfortunately, it is also wrong, or at least inaccurate.
1 mm=0.1 cm, not 0.01 cm.
For woodworking, 0.525 mm is the same as 0.5 mm, or 0.0206692913 inch, or
however many in fractional inches. 0.525 mm is orders of magnitude
different from 3/8".

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Best regards
Han
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