Gauge (fraction to mm)

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Gauge (fraction to mm)

Postby leybrasil » Thu Dec 31, 2009 6:47 pm

How convert fraction to mm?
example: 1/2 = 12,7mm or 3/8=9,53, etc, etc...
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Joined: Thu Dec 31, 2009 6:17 pm

Re: Gauge (fraction to mm)

Postby Dirtman » Thu Dec 31, 2009 9:15 pm

leybrasil wrote:How convert fraction to mm?
example: 1/2 = 12,7mm or 3/8=9,53, etc, etc...

Although you don't specify a fraction of what (inch, foot, meter, etc.), I'm assuming you're wanting the fraction of 1 inch converted to mm.

1" = 25.4 mm exactly, so calculate the fraction to it's decimal equivelent (divide the numerator by the denominator) and multiply by 25.4.

1/2 inch = (1/2) * 25.4 = 0.5 * 25.4 = 12.7 mm
3/8 inch = (3/8) * 25.4 = 0.375 * 25.4 = 9.53 mm
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