Convert hand to a.u. of length
Please provide values below to convert hand [hand] to a.u. of length [a.u., b], or Convert a.u. of length to hand.
How to Convert Hand to A.u. Of Length
1 hand = 1919961604.39619 a.u., b
Example: convert 15 hand to a.u., b:
15 hand = 15 × 1919961604.39619 a.u., b = 28799424065.9428 a.u., b
Hand to A.u. Of Length Conversion Table
| hand | a.u. of length |
|---|
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.
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.