Convert femtometer to furlong
Please provide values below to convert femtometer [fm] to furlong [fur], or Convert furlong to femtometer.
How to Convert Femtometer to Furlong
1 fm = 4.97096953789867e-18 fur
Example: convert 15 fm to fur:
15 fm = 15 × 4.97096953789867e-18 fur = 7.45645430684801e-17 fur
Femtometer to Furlong Conversion Table
| femtometer | furlong |
|---|
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.
Furlong
A furlong is a unit of length in the imperial and US customary systems, equal to one-eighth of a mile, 220 yards, or 660 feet.
History/Origin
The name "furlong" derives from the Old English words "furh" (furrow) and "lang" (long), originally referring to the length of a furrow in one acre of a ploughed open field.
Current Use
Today, the furlong is primarily used in horse racing to state the length of races.