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Femtometro

The femtometre (SI symbol: fm) is a unit of length equal to 10⁻¹⁵ metres, derived from the SI base unit metre using the prefix femto-. In nuclear and particle physics, it is often called a fermi, in honour of physicist Enrico Fermi, and is the characteristic scale for expressing the size of atomic nuclei and nucleons. The proton, for instance, has a charge radius of approximately 0.87 femtometres.

Metro

The metre (Commonwealth spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μετρούν, "measure") is the base unit of length in the International System of Units (SI). The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1/299,792,458 of a second. The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's circumference is approximately 40000 km. In 1799, the metre was redefined in terms of a prototype metre bar (the actual bar used was changed in 1889). In 1960, the metre was redefined in terms of a certain number of wavelengths of a certain emission line of krypton-86. In 1983, the current definition was adopted.

Talahanayan ng conversion ng Femtometro sa Metro

Femtometro	Metro
1	1E-15
2	2E-15
5	5E-15
10	1E-14
25	2.5E-14
50	5E-14
100	1E-13
500	5E-13
1000	1E-12

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Femtometro

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