Convert femtometer to Roman actus
Please provide values below to convert femtometer [fm] to Roman actus [actus], or Convert Roman actus to femtometer.
How to Convert Femtometer to Roman Actus
1 fm = 2.81859097509719e-17 actus
Example: convert 15 fm to actus:
15 fm = 15 × 2.81859097509719e-17 actus = 4.22788646264578e-16 actus
Femtometer to Roman Actus Conversion Table
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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.
Roman Actus
The Roman actus was a unit of length equal to 120 Roman feet, about 35.5 meters.
History/Origin
The actus was a standard unit of land measurement in the Roman Empire.
Current Use
The Roman actus is an obsolete unit of measurement.