Convert span (cloth) to X-unit
Please provide values below to convert span (cloth) [span] to X-unit [X], or Convert X-unit to span (cloth).
How to Convert Span (Cloth) to X-Unit
1 span = 2281254989621.59 X
Example: convert 15 span to X:
15 span = 15 × 2281254989621.59 X = 34218824844323.8 X
Span (Cloth) to X-Unit Conversion Table
| span (cloth) | X-unit |
|---|
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.
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.