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Convert Inches To Millimeters

In order to Convert Inches To Millimeters, please, enter inches value in the upper box and get the result in millimeters in the lower box, and vice-versa. The result of the conversion appears immediately.


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This measurement conversion is based on a simple rule: 1 in = 25.4 mm

An inch is the name of a unit of length in a number of different systems, including Imperial units, and United States customary units. There are 36 inches in a yard and 12 inches in a foot.

The millimetre (American spelling: millimeter), symbol mm, is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length.

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