Fraction Plan Measurements

I’m wondering why all plans to build wood furniture all have measurements ending in fractions such as 5/16, 3/8, 15/16ths etc. Why not round off to even numbers?

Carol Reed: You can. That measuring system is called metric. Simply convert the fraction to a decimal and multiple by 25.4. That equals millimeters. I use metric every chance I can, simply because I don’t like fractions either.

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