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Standard Measurement All measurement takes into account space which remains constant. Unlike the metric system, standard measurement is not based on tens and does not use meters, centimeters or millimeters.

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The standard measurement system is still used by most woodworkers. The inch is divided into fractions. Give an Inch This represents the inch scale. 0 1

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0 1 0 1 Dividing the Inch Let’s bend the inch into a circle and look at it as a pie graph.

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Dividing the Inch 0 1 Let’s bend the inch into a circle and look at it as a pie graph.

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Dividing the Inch Let’s bend the inch into a circle and look at it as a pie graph.

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One Half Cut the circle into two parts. ½ means one of two (parts). 1/2 is also 8/16, 4/8, & 2/4, but never use those terms to describe 1/2. Always reduce the fraction.

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One Fourth In four parts (quarters or fourths). ¼ means one of four. 1/4 is also 4/16 & 2/8, but never use those terms to describe 1/4. Always reduce the fraction.

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One Eighth Dividing into eight makes eight parts. 1/8 is one of eight. 1/8 is also 2/16, but never use those terms to describe 1/8. Always reduce the fraction.

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One Sixteenth Sixteen parts, usually the smallest division used in our woodworking class. 1/16 is one of sixteen.

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One Half Inch Cut into two parts. ½ is one of two. 0 1

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One Quarter Inch Cut into four parts. ¼ is one of four. 0 1 To help see groupings, the dividing lines are at different heights. 1/2 inch is still easy to determine. Because we measure space, one forth can fall anywhere.

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One Eighth Inch Cut into eight parts. 1/8 is one of eight. 0 1 Notice that because of the different lengths of the dividing lines, ¼ and ½ are still easy to distinguish. Like previous space, 1/8 can be measured anywhere.

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One Sixteenth Inch Cut into sixteen parts. 1/16 is one of sixteen. 0 1

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One Sixteenth 0 1 1/16

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One Eighth 0 1 1/8

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Three Sixteenths 0 1 3/16

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One fourth 0 1 1/4

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Five Sixteenths 0 1 5/16

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Three Eighths 0 1 3/8

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Seven Sixteenths 0 1 7/16

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One Half 0 1 1/2

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Nine Sixteenths 0 1 9/16

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Five Eighths 0 1 5/8

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Eleven Sixteenths 0 1 11/16

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Three Fourths 0 1 3/4

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Thirteen Sixteenths 0 1 13/16

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Seven Eighths 0 1 7/8

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Fifteen Sixteenths 0 1 15/16

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One Inch 0 1

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Some things to remember! The standard system uses fractions. 12 inches equals one foot. Reduce fractions to their lowest terms. Count space not lines. Practice makes measuring easier.

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