Convert femtometer to handbreadth
Please provide values below to convert femtometer [fm] to handbreadth [handbreadth], or Convert handbreadth to femtometer.
How to Convert Femtometer to Handbreadth
1 fm = 1.31233595800525e-14 handbreadth
Example: convert 15 fm to handbreadth:
15 fm = 15 × 1.31233595800525e-14 handbreadth = 1.96850393700787e-13 handbreadth
Femtometer to Handbreadth Conversion Table
| femtometer | handbreadth |
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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.
Handbreadth
A handbreadth is an ancient unit of length, based on the width of the hand at the knuckles, excluding the thumb. It is typically about 3 inches.
History/Origin
The handbreadth has been used as a unit of measurement in many cultures throughout history.
Current Use
The handbreadth is an obsolete unit of measurement.