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fermi
 Symbol: F, f Category: Length SI Equivalent: 1×10-15 m Dimension: L Notes Named after the Italian-born American physicist Enrico Fermi (1901-1954), the fermi was used to describe nuclide dimensions in nuclear physics. It has the same order of magnitude as nuclides' radii. 1 F=1 fm
Convert     F, f
1 F, f =
 Length Symbol Unit Name 1.88973×10-5 a.u., a0, b a.u. of length 10×10-6 Å angstrom 3.43775×10-12 arcmin arcmin 6.68459×10-27 AU, UA astronomical unit 1000 am attometer 1.1811×10-13 barleycorn (UK) 1.88973×10-5 a0, b bohr (first Bohr radius) 2.73403×10-17 bolt (US cloth) 4.72441×10-13 line (UK) button (UK) 1.5748×10-12 line (US) button (US) 5.39957×10-18 cable length (int.) 5.39612×10-18 cable length (UK) 4.55672×10-18 cable length (US) 3.93701×10-12 caliber, cin caliber (centiinch) 1×10-13 cm centimeter 3.28084×10-17 ch chain (engineer's) 4.97097×10-17 ch chain (Gunter's) 3.28084×10-17 ch chain (Ramsden's) 4.97097×10-17 ch chain (surveyor's) 2.18723×10-15 cubit (UK) 1×10-16 dam decameter 10×10-15 dm decimeter 0.354869 re electron classical radius 8.74891×10-16 ell 2.37107×10-13 ems (pica) 1×10-33 Em exameter 5.46807×10-16 fath fathom 1 fm femtometer 1.88973×10-5 a0, b, a.u. first Bohr radius 3.28084×10-15 ft foot 3×10-12 fr French 4.97097×10-18 fur furlong (UK) 4.97097×10-18 fur furlong (US) 1×10-24 Gm gigameter 9.84252×10-15 hd hand (UK) 1×10-17 hm hectometer 1.05702×10-40 hubble 3.93701×10-14 in inch 1×10-18 km kilometer 3.24078×10-35 kpc kiloparsec 2.07168×10-19 league (Canadian) 1.79986×10-19 leag. (int. naut.) league (int. naut.) 2.07124×10-19 leag. (stat.) league (statute, land) 1.79871×10-19 leag. (UK, naut.) league (UK, naut.) 1.79871×10-19 leag. (US, naut.) league (US, naut.) 3.8607×10-29 light-day 9.26567×10-28 light-hour 5.5594×10-26 light-minute 3.33564×10-24 light-second 1.05702×10-31 ly light-year 4.72441×10-13 line (UK) line (UK) 1.5748×10-12 line (US) line (US) 3.28084×10-15 link (engineer's) 4.97097×10-15 link (Gunter's) 3.28084×10-15 link (Ramsden's) 4.97097×10-15 link (surveyor's) 1×10-21 Mm megameter 1×10-15 m meter 3.93701×10-8 µin microinch 1×10-9 µm micron 3.93701×10-11 mil, thou mil (thou) 1.34742×10-19 mile (geogr.) mile (geographical) 6.2137×10-19 mi (int.) mile (international) 5.39957×10-19 mi (naut., int.) mile (nautical, international) 5.38991×10-19 mi (naut., teleg.) mile (nautical, telegraph) 5.39612×10-19 mi (naut., UK, US) mile (nautical, UK, US) 6.21371×10-19 mi (stat.) mile (statute, land) 6.2137×10-19 mi (survey, US) mile (survey, US) 10×10-13 mm millimeter 1×10-6 mµ, nm millimicron 4.37445×10-15 nail (UK) 1×10-6 nm nanometer 5.39957×10-19 mi (int. naut.) nautical mile (international) 5.39612×10-19 mi (UK, US, naut.) nautical mile (UK, US) 1.31234×10-15 pace (UK) 1.31234×10-14 palm (UK) 3.24078×10-32 pc parsec 1.98839×10-16 rd perch (rod, pole) 1×10-30 Pm petameter 2.37106×10-13 pica 1×10-3 pm picometer 2.84528×10-12 point (US printer's) 1.98839×10-16 rd pole (rod, perch) 1×10-22 quadrant 1.98839×10-16 rd rod (perch, pole) 1.64042×10-16 rope (UK) 4.37445×10-15 span 1×10-27 Tm terameter 3.93701×10-11 thou, mil thou (mil) 9.99792×10-3 UX, X X-unit 1.09361×10-15 yd yard 10×108 ym yoctometer 10×10-40 Ym yottameter 1×106 zm zeptometer 10×10-37 Zm zettameter
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