Convert perch to X-unit
Please provide values below to convert perch [perch] to X-unit [X], or Convert X-unit to perch.
How to Convert Perch to X-Unit
1 perch = 50187609771674.9 X
Example: convert 15 perch to X:
15 perch = 15 × 50187609771674.9 X = 752814146575124 X
Perch to X-Unit Conversion Table
| perch | X-unit |
|---|
Perch
A perch is a unit of length equal to a rod, which is 16.5 feet.
History/Origin
The term "perch" has been used as a unit of measurement since medieval times and was often used interchangeably with "rod" and "pole."
Current Use
The perch is an obsolete unit of measurement.
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.