centimeter [cm]
foot [ft]
inch [in]
kilometer [km]
meter [m]
micron [�]
mile [mi, mi(Int)]
millimeter [mm]
nanometer [nm]
yard [yd]
a.u. of length [a.u., b]
aln
angstrom [A]
arpent
astronomical unit [AU, UA]
attometer [am]
barleycorn
Bohr radius [b, a.u.]
caliber [cl]
centiinch [cin]
chain [ch]
chain (US survey) [ch]
cubit (Greek)
cubit (UK)
decimeter [dm]
dekameter [dam]
Earth's distance from sun
Earth's equatorial radius
Earth's polar radius
Electron radius (classical)
ell
exameter [Em]
famn
fathom [fath]
fathom (US survey) [fath]
femtometer [fm]
fermi [F, f]
finger (cloth)
fingerbreadth
foot (US survey) [ft]
furlong [fur]
furlong (US survey) [fur]
gigameter [Gm]
hand
handbreadth
hectometer [hm]
inch (US survey) [in]
ken
kiloparsec [kpc]
kiloyard [kyd]
league [lea]
league (statute) [st.league]
light year [ly]
link [li]
link (US survey) [li]
long cubit
long reed
megameter [Mm]
megaparsec [Mpc]
microinch
micrometer [�m]
mil [mil, thou]
mile (Roman)
mile (statute) [mi, mi (US)]
mile (US survey) [mi]
nail (cloth)
nautical league (int.)
nautical league (UK)
nautical mile (international)
nautical mile (UK) [NM (UK)]
parsec [pc]
perch
petameter [Pm]
pica
picometer [pm]
Planck length
point
pole
reed
rod [rd]
rod (US survey) [rd]
Roman actus
rope
Russian archin
span (cloth)
Sun's radius
terameter [Tm]
twip
vara castellana
vara conuquera
vara de tarea
X-unit [X]
centimeter [cm]
foot [ft]
inch [in]
kilometer [km]
meter [m]
micron [�]
mile [mi, mi(Int)]
millimeter [mm]
nanometer [nm]
yard [yd]
a.u. of length [a.u., b]
aln
angstrom [A]
arpent
astronomical unit [AU, UA]
attometer [am]
barleycorn
Bohr radius [b, a.u.]
caliber [cl]
centiinch [cin]
chain [ch]
chain (US survey) [ch]
cubit (Greek)
cubit (UK)
decimeter [dm]
dekameter [dam]
Earth's distance from sun
Earth's equatorial radius
Earth's polar radius
Electron radius (classical)
ell
exameter [Em]
famn
fathom [fath]
fathom (US survey) [fath]
femtometer [fm]
fermi [F, f]
finger (cloth)
fingerbreadth
foot (US survey) [ft]
furlong [fur]
furlong (US survey) [fur]
gigameter [Gm]
hand
handbreadth
hectometer [hm]
inch (US survey) [in]
ken
kiloparsec [kpc]
kiloyard [kyd]
league [lea]
league (statute) [st.league]
light year [ly]
link [li]
link (US survey) [li]
long cubit
long reed
megameter [Mm]
megaparsec [Mpc]
microinch
micrometer [�m]
mil [mil, thou]
mile (Roman)
mile (statute) [mi, mi (US)]
mile (US survey) [mi]
nail (cloth)
nautical league (int.)
nautical league (UK)
nautical mile (international)
nautical mile (UK) [NM (UK)]
parsec [pc]
perch
petameter [Pm]
pica
picometer [pm]
Planck length
point
pole
reed
rod [rd]
rod (US survey) [rd]
Roman actus
rope
Russian archin
span (cloth)
Sun's radius
terameter [Tm]
twip
vara castellana
vara conuquera
vara de tarea
X-unit [X]