Convert femtometer to megameter
Please provide values below to convert femtometer [fm] to megameter [Mm], or Convert megameter to femtometer.
How to Convert Femtometer to Megameter
1 fm = 1e-21 Mm
Example: convert 15 fm to Mm:
15 fm = 15 × 1e-21 Mm = 1.5e-20 Mm
Femtometer to Megameter Conversion Table
| femtometer | megameter |
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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.
Megameter
A megameter is a unit of length in the metric system equal to 10^6 meters.
History/Origin
The prefix "mega-" for 10^6 was adopted by the CGPM (General Conference on Weights and Measures) in 1873.
Current Use
The megameter is sometimes used to specify the diameters of planets and the distances of satellites.