Convert handbreadth to astronomical unit
Please provide values below to convert handbreadth [handbreadth] to astronomical unit [AU, UA], or Convert astronomical unit to handbreadth.
How to Convert Handbreadth to Astronomical Unit
1 handbreadth = 5.09365538716856e-13 AU, UA
Example: convert 15 handbreadth to AU, UA:
15 handbreadth = 15 × 5.09365538716856e-13 AU, UA = 7.64048308075283e-12 AU, UA
Handbreadth to Astronomical Unit Conversion Table
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Handbreadth
A handbreadth is an ancient unit of length, based on the width of the hand at the knuckles, excluding the thumb. It is typically about 3 inches.
History/Origin
The handbreadth has been used as a unit of measurement in many cultures throughout history.
Current Use
The handbreadth is an obsolete unit of measurement.
Astronomical Unit
The astronomical unit is a unit of length, now defined as exactly 149,597,870,700 meters. It is approximately the average distance between the Earth and the Sun.
History/Origin
Historically, the astronomical unit was the mean Earth-Sun distance. In 2012, the International Astronomical Union (IAU) redefined it as a fixed constant.
Current Use
The astronomical unit is used primarily for measuring distances within the Solar System or around other stars.