Fermi
A fermi is a unit of length used in nuclear physics to measure extremely small distances, such as the size of atomic nuclei. It is equal to 1 femtometer (fm), which is 10⁻¹⁵ meters.
The unit is named after the Italian physicist Enrico Fermi, known for his work in nuclear physics.
Key facts:
1 fermi = 1 femtometer = 10⁻¹⁵ meters
Used to measure nuclear dimensions and particle sizes
Essential in the study of nuclear and particle physics
The fermi is vital for describing distances at the subatomic scale, much smaller than atoms and molecules.
Vara Conuquera
The vara conuquera is a traditional Spanish unit of length used historically in some parts of Spain and Spanish America, especially in land measurement. It is a regional variation of the vara, which generally measures around 33 inches (about 0.84 meters), but the vara conuquera specifically is associated with the unit used for measuring conucos—small agricultural plots or gardens.
The length of the vara conuquera could vary locally but was typically similar to or a fraction of the standard vara. It was used primarily in rural land surveying and agriculture to define plots and land boundaries.
Summary:
Vara conuquera: a regional variant of the vara
Approximately 0.83 to 0.84 meters (varied by region)
Used historically for measuring small agricultural plots (conucos)
Common in Spanish and Latin American land measurement contexts
Today, the vara conuquera is mostly of historical interest, reflecting old land measurement traditions.
No conversions available for length.