Convert inch (US survey) to millimeter
Please provide values below to convert inch (US survey) [in (US)] to millimeter [mm], or Convert millimeter to inch (US survey).
How to Convert Inch (Us Survey) to Millimeter
1 in (US) = 25.4000508 mm
Example: convert 15 in (US) to mm:
15 in (US) = 15 × 25.4000508 mm = 381.000762 mm
Inch (Us Survey) to Millimeter Conversion Table
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Inch (Us Survey)
The U.S. survey inch is a unit of length equal to 1/12 of a U.S. survey foot.
History/Origin
The U.S. survey inch is based on the U.S. survey foot, which was defined such that 1 meter is exactly 39.37 inches. The use of survey units was officially phased out in 2022.
Current Use
The U.S. survey inch was used for land surveying in the United States.
Millimeter
A millimeter is a unit of length in the metric system, equal to one-thousandth of a meter.
History/Origin
The prefix "milli-" comes from the Latin word "mille," meaning thousand. The millimeter was part of the original metric system adopted in France in 1795.
Current Use
The millimeter is widely used in engineering and manufacturing for high-precision measurements. It is also a common unit in construction and for measuring small objects.