Convert a.u. of length to hand
Please provide values below to convert a.u. of length [a.u., b] to hand [hand], or Convert hand to a.u. of length.
How to Convert A.u. Of Length to Hand
1 a.u., b = 5.20843749015748e-10 hand
Example: convert 15 a.u., b to hand:
15 a.u., b = 15 × 5.20843749015748e-10 hand = 7.81265623523622e-09 hand
A.u. Of Length to Hand Conversion Table
| a.u. of length | hand |
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A.u. Of Length
The atomic unit of length, also known as the Bohr radius (a₀), is approximately 5.29 x 10⁻¹¹ meters.
History/Origin
The Bohr radius is named after Niels Bohr, who proposed a model of the atom in 1913 where the electron orbits the nucleus at specific distances. The Bohr radius is the most probable distance between the proton and electron in a hydrogen atom in its ground state.
Current Use
The atomic unit of length is used in atomic physics to simplify calculations and equations.
Hand
A hand is a unit of length equal to 4 inches.
History/Origin
The hand was originally the width of a man's hand, including the thumb. It was standardized to 4 inches for measuring the height of horses.
Current Use
The hand is still used today to measure the height of horses.