Convert chain to X-unit
Please provide values below to convert chain [ch] to X-unit [X], or Convert X-unit to chain.
How to Convert Chain to X-Unit
1 ch = 200750439086700 X
Example: convert 15 ch to X:
15 ch = 15 × 200750439086700 X = 3.0112565863005e+15 X
Chain to X-Unit Conversion Table
| chain | X-unit |
|---|
Chain
A chain is a unit of length equal to 66 feet, or 22 yards.
History/Origin
The chain was developed by English surveyor Edmund Gunter in the early 17th century. It was designed to be a convenient length for surveying land.
Current Use
The chain is still used in some surveying applications and is the length of a cricket pitch.
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.