Convert femtometer to barleycorn
Please provide values below to convert femtometer [fm] to barleycorn [barleycorn], or Convert barleycorn to femtometer.
How to Convert Femtometer to Barleycorn
1 fm = 1.18110235755472e-13 barleycorn
Example: convert 15 fm to barleycorn:
15 fm = 15 × 1.18110235755472e-13 barleycorn = 1.77165353633207e-12 barleycorn
Femtometer to Barleycorn Conversion Table
| femtometer | barleycorn |
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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.
Barleycorn
A barleycorn is an old English unit of length, equal to one-third of an inch.
History/Origin
The barleycorn was a unit of measurement in medieval England, and was originally based on the length of a grain of barley. It was a fundamental unit from which other units were derived.
Current Use
The barleycorn is an obsolete unit of measurement, but it is still the basis for shoe sizes in English-speaking countries.