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Why are standard measurements in inches fractions?

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The inch is the smallest of the named units. The smaller dozenmal units (line and point) have fallen out of use, the point is now used for similar sized units of 1/72 (printer's) and 1/100 (rainfall). Gry, the smallest of the older divisions of the inch, and one of the words ending in those letters, is 1/120 inch. read more

Decimal divisions of the inch are known, the 'thou' is a thousandth of an inch, and micrometers can had in binary and decimal divisions, but the usual expression of fractions as a single fraction, rather than a sequence of added parts (ie 17/64, rather than [math]fract 28fract 18[/math]) hampers this system. read more

The next longest markings will be the sixteenth inch markings, ie. the first marking is 1/16 inch, the second is 3/16 inch, the third is 5/16 inch, etc. Download a free printable ruler with fraction measurements marked to help learn how to find the inch fractions for a measurement and for easy reading. read more

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