Convert femtometer to vara de tarea
Please provide values below to convert femtometer [fm] to vara de tarea [vara de tarea], or Convert vara de tarea to femtometer.
How to Convert Femtometer to Vara De Tarea
1 fm = 3.99128940999163e-16 vara de tarea
Example: convert 15 fm to vara de tarea:
15 fm = 15 × 3.99128940999163e-16 vara de tarea = 5.98693411498745e-15 vara de tarea
Femtometer to Vara De Tarea Conversion Table
| femtometer | vara de tarea |
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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.
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.