Convert X-unit to span (cloth)
Please provide values below to convert X-unit [X] to span (cloth) [span], or Convert span (cloth) to X-unit.
How to Convert X-Unit to Span (Cloth)
1 X = 4.383552055993e-13 span
Example: convert 15 X to span:
15 X = 15 × 4.383552055993e-13 span = 6.5753280839895e-12 span
X-Unit to Span (Cloth) Conversion Table
| X-unit | span (cloth) |
|---|
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.
Span (Cloth)
A span is an obsolete unit of length, typically about 9 inches, based on the distance between the tip of the thumb and the tip of the little finger when the hand is fully extended.
History/Origin
The span has been used as a unit of measurement for thousands of years in many different cultures.
Current Use
The span is no longer a standard unit of measurement.