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Abbreviation Unit 1 Base Unit
fm femtometre 1E-15
pm picometre 1E-12
angstrom angstrom 1E-10
nm nanometre 1E-09
um micrometre 1E-06
mil mil 2.54E-05
mm millimetre 0.001
cm centimetre 0.01
in inch 0.0254
in[US] US survey inch 0.0254000508001016
dm decimetre 0.1
link[Cla] Clarke link 0.201166195164
link[SeT] British link [Sears 1922 truncated] 0.20116756
link[Se] British link [Sears 1922] 0.201167651215526
link[BnA] British link [Benoit 1895 A] 0.201167824
link[BnB] British link [Benoit 1895 B] 0.201167824943759
link link 0.201168
link[US] US survey link 0.201168402336805
ft[Cla] Clarke foot 0.3047972654
ft[Ind37] indian foot [1937] 0.30479841
ft[SeT] British foot [Sears 1922 truncated] 0.304799333333333
ft[Se] British foot [Sears 1922] 0.304799471538676
ft[Ind75] indian foot [1975] 0.3047995
ft[Ind] indian foot 0.304799510248147
ft[Ind62] indian foot ]1962] 0.3047996
ft[GC] Gold Coast foot 0.304799710181509
ft[BnA] British foot [Benoit 1895 A] 0.304799733333333
ft[BnB] British foot [Benoit 1895 B] 0.304799734763271
ft foot 0.3048
ft[US] US survey foot 0.304800609601219
ft[Br36] British foot [1936] 0.3048007491
ft[Br65] British foot [1865] 0.304800833333333
yd[Cla] Clarke yard 0.9143917962
yd[Ind37] Indian yard [1937] 0.91439523
yd[SeT] British yard [Sears 1922 truncated] 0.914398
yd[Se] British yard [Sears 1922] 0.914398414616029
yd[Ind75] Indian yard [1975] 0.9143985
yd[Ind] Indian yard 0.914398530744441
yd[Ind62] Indian yard [1962] 0.9143988
yd[BnA] British yard [Benoit 1895 A] 0.9143992
yd[BnB] British yard [Benoit 1895 B] 0.914399204289812
yd yard 0.9144
yd[US] US survey yard 0.914401828803658
m metre 1
m[Ger] German legal metre 1.0000135965
fathom international fathom 1.8288
rod[US] rod US Survey 5.02921005842012
dam dekametre 10
chain[Cla] Clarke chain 20.1166195164
chain[Ind37] Indian Chain [1937] 20.11669506
chain[SeT] British chain [Sears 1922 truncated] 20.116756
chain[Se] British chain [Sears 1922] 20.1167651215526
chain[BnA] British chain [Benoit 1895 A] 20.1167824
chain[BnB] British chain [Benoit 1895 B] 20.1167824943759
chain chain 20.1168
chain[US] US survey chain 20.1168402336805
hm hectometre 100
fur[US] furlong US survey 201.168402336805
km kilometre 1000
mi mile 1609.344
mi[US] US survey mile 1609.34721869444
mi[naut] international nautical mile 1852
nmi international nautical mile 1852
mi[nautUK] United Kingdom nautical mile 1853
Mm megametre 1000000
Gm gigametre 1000000000
Tm terametre 1000000000000
Em exametre 1E+18

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