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Femtometre

The femtometre (American spelling femtometer), symbol fm, (derived from the Danish and Norwegian word femten 'fifteen', Ancient Greek: μέτρον, romanized: metron, lit. 'unit of measurement') is a unit of length in the International System of Units (SI) equal to 10−15 metres, which means a quadrillionth of one metre. This distance is sometimes called a…

History & Measurement

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imperial/US units
3.9370×10−14 in
Natural units
6.1877×1019 ℓP 1.8897×10−5 a0
SI base units
10−15 m
Symbol
fm
Unit of
length
Unit system
SI

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Map overview Semantic statistics

Femtometre

Nodes26
Edges25
Triples24
Avg. degree1.92
Density0.076923
Components1

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Femtometre

Top relations

related to history · 18
Femtometre → Conférence Générale, Danish, December, Electron Scattering, Enrico Fermi, Italian, Mesures, Modern Physics, Nobel Lecture, Nobel Prize, Nuclear Structure, Physics, Poids, Reviews, Robert Hofstadter, SI, The, When Hofstadter
imperial/US units · 1
Femtometre → 3.9370×10−14 in
Natural units · 1
Femtometre → 6.1877×1019 ℓP 1.8897×10−5 a0
SI base units · 1
Femtometre → 10−15 m
Symbol · 1
Femtometre → fm
Unit of · 1
Femtometre → length
Unit system · 1
Femtometre → SI

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Important terminology

si 15 fermi nuclear physics 10 length american metres femtometres symbol fm unit system units danish spelling word one named

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Femtometreimperial/US units3.9370×10−14 in1.00infobox
FemtometreNatural units6.1877×1019 ℓP 1.8897×10−5 a01.00infobox
FemtometreSI base units10−15 m1.00infobox
FemtometreSymbolfm1.00infobox
FemtometreUnit oflength1.00infobox
FemtometreUnit systemSI1.00infobox
Femtometrerelated to historyThe0.60section
Femtometrerelated to historyConférence Générale0.60section
Femtometrerelated to historyPoids0.60section
Femtometrerelated to historyMesures0.60section
Femtometrerelated to historySI0.60section
Femtometrerelated to historyDanish0.60section

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