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Help References Home » Measurement Conversions

Measurement Conversions

Quickly convert common measurements with this easy-to-use reference chart. Compare inches, fractions, decimals, millimeters, centimeters, and other popular measurement conversions for crafts, sewing, beading, and DIY projects.

Image depicting different types of measurements.
Use this conversion chart to quickly and easily convert measurements between inches, millimeters, centimeters, and decimal equivalents. These measurement conversions are especially helpful when working with beads, jewelry findings, craft supplies, sewing materials, and other products that may be listed using different sizing systems. Whether you are trying to match bead sizes, compare metric and standard measurements, determine hole sizes, or follow project instructions from different sources, this chart provides a convenient reference to help you understand and compare dimensions more accurately. Keeping measurement conversions handy can help reduce mistakes and make selecting the proper craft supplies much easier.

Inch / Millimeter Conversion

Use this chart to compare inches, millimeters, centimeters, and decimal equivalents.

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Inch Millimeter Centimeter Decimal
1/16"1.59.159.06
1/8"3.18.318.13
3/16"4.76.476.19
1/4"6.35.635.25
5/16"7.94.794.31
3/8"9.53.953.38
7/16"11.111.111.44
1/2"12.701.270.50
9/16"14.291.429.56
5/8"15.881.588.63
11/16"17.461.746.69
3/4"19.051.905.75
13/16"20.642.064.81
7/8"22.232.223.88
15/16"23.812.381.94
1"25.402.5401.00
 
 
 
 

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