Convert Bohr Radius (a₀) to Vara Conuquera (vara conuquera) instantly.
About these units
Bohr Radius (a₀)
The Bohr radius, equal to approximately 5.29177 × 10⁻¹¹ meters, is the most probable distance between the electron and nucleus in the ground state of hydrogen according to the Bohr model. While modern quantum mechanics has evolved far beyond the Bohr model, the radius remains a remarkably accurate approximation for average atomic dimensions. The Bohr radius acts as a natural "yardstick" for the size of atoms and is frequently used in atomic physics and quantum chemistry. Many atomic properties — orbital sizes, electron probability distributions, and energy levels — are conveniently expressed in multiples of the Bohr radius. Because it reflects fundamental constants, including Planck's constant and the electron charge, the Bohr radius also appears in theoretical analyses of physical systems and helps unify atomic physics concepts across different contexts.
Vara Conuquera (vara conuquera)
The Vara Conuquera is another regional variant of the vara, used primarily in Chile, with a slightly different length than the standard vara. It was closely associated with land measurement, particularly in defining plots for cultivation and property boundaries in rural communities. Its use highlights the way local measurement systems adapted colonial Spanish units to meet practical needs. Land surveyors, farmers, and municipal officials relied on the Vara Conuquera for legal documentation, taxation, and irrigation planning. Today, knowledge of the Vara Conuquera is mostly of historical and legal interest, providing context for land disputes, heritage records, and the evolution of measurement in Chilean history.