Convert X-unit to inch (US survey)
Please provide values below to convert X-unit [X] to inch (US survey) [in (US)], or Convert inch (US survey) to X-unit.
How to Convert X-Unit to Inch (Us Survey)
1 X = 3.94518896001578e-12 in (US)
Example: convert 15 X to in (US):
15 X = 15 × 3.94518896001578e-12 in (US) = 5.91778344002367e-11 in (US)
X-Unit to Inch (Us Survey) Conversion Table
| X-unit | inch (US survey) |
|---|
X-Unit
An X-unit is a unit of length approximately equal to 1.002 x 10⁻¹³ meters.
History/Origin
The X-unit was proposed by the Swedish physicist Manne Siegbahn in 1919 for measuring the wavelengths of X-rays and gamma rays.
Current Use
The X-unit has been largely replaced by the angstrom and the picometer.
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.