Convert hand to femtometer
Please provide values below to convert hand [hand] to femtometer [fm], or Convert femtometer to hand.
How to Convert Hand to Femtometer
1 hand = 101600000000000 fm
Example: convert 15 hand to fm:
15 hand = 15 × 101600000000000 fm = 1.524e+15 fm
Hand to Femtometer Conversion Table
| hand | femtometer |
|---|
Hand
A hand is a unit of length equal to 4 inches.
History/Origin
The hand was originally the width of a man's hand, including the thumb. It was standardized to 4 inches for measuring the height of horses.
Current Use
The hand is still used today to measure the height of horses.
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.