Convert femtometer to ken
Please provide values below to convert femtometer [fm] to ken [ken], or Convert ken to femtometer.
How to Convert Femtometer to Ken
1 fm = 4.72063294246493e-16 ken
Example: convert 15 fm to ken:
15 fm = 15 × 4.72063294246493e-16 ken = 7.08094941369739e-15 ken
Femtometer to Ken Conversion Table
| femtometer | ken |
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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.
Ken
The ken is a traditional Japanese unit of length, equal to six Japanese feet (shaku). Its length has varied over time, but it is now standardized at 1.818 meters.
History/Origin
The ken was traditionally used in Japanese architecture and land measurement.
Current Use
The ken is still used in traditional Japanese carpentry and architecture.