Convert vara de tarea to femtometer
Please provide values below to convert vara de tarea [vara de tarea] to femtometer [fm], or Convert femtometer to vara de tarea.
How to Convert Vara De Tarea to Femtometer
1 vara de tarea = 2.505456e+15 fm
Example: convert 15 vara de tarea to fm:
15 vara de tarea = 15 × 2.505456e+15 fm = 3.758184e+16 fm
Vara De Tarea to Femtometer Conversion Table
| vara de tarea | femtometer |
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Vara De Tarea
A vara de tarea is an old Spanish unit of length, approximately 2.5 varas or about 2.09 meters.
History/Origin
The vara was a common unit of length in Spain and its colonies. The vara de tarea was a specific length used for agricultural tasks.
Current Use
The vara de tarea is an obsolete unit of measurement.
Femtometer
A femtometer is a unit of length in the metric system equal to 10^-15 meters. It is also known as a fermi.
History/Origin
The prefix "femto-" for 10^-15 was adopted by the CGPM (General Conference on Weights and Measures) in 1964. The unit is also named after the physicist Enrico Fermi.
Current Use
The femtometer is primarily used in nuclear physics to measure the size of atomic nuclei.