Convert perch to femtometer
Please provide values below to convert perch [perch] to femtometer [fm], or Convert femtometer to perch.
How to Convert Perch to Femtometer
1 perch = 5.0292e+15 fm
Example: convert 15 perch to fm:
15 perch = 15 × 5.0292e+15 fm = 7.5438e+16 fm
Perch to Femtometer Conversion Table
| perch | femtometer |
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Perch
A perch is a unit of length equal to a rod, which is 16.5 feet.
History/Origin
The term "perch" has been used as a unit of measurement since medieval times and was often used interchangeably with "rod" and "pole."
Current Use
The perch 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.