Convert hectometer to X-unit
Please provide values below to convert hectometer [hm] to X-unit [X], or Convert X-unit to hectometer.
How to Convert Hectometer to X-Unit
1 hm = 997924317419767 X
Example: convert 15 hm to X:
15 hm = 15 × 997924317419767 X = 1.49688647612965e+16 X
Hectometer to X-Unit Conversion Table
| hectometer | X-unit |
|---|
Hectometer
A hectometer is a unit of length in the metric system equal to 100 meters.
History/Origin
The prefix "hecto-" from the Greek "hekaton" meaning hundred, was part of the original metric system adopted in France in 1795.
Current Use
The hectometer is not a widely used unit of length in English-speaking countries. It is sometimes used in surveying and for marking distances on highways in some countries.
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.