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X-unit Meter
|
X m
|
|
X-unit Kilometer
|
X km
|
|
X-unit Decimeter
|
X dm
|
|
X-unit Centimeters
|
X cm
|
|
X-unit Millimeter
|
X mm
|
|
X-unit Micrometer
|
X µm
|
|
X-unit Nanometer
|
X nm
|
|
X-unit Mile
|
X mi, mi(Int)
|
|
X-unit Yard
|
X yd
|
|
X-unit Foot
|
X ft
|
|
X-unit Inch
|
X in
|
|
X-unit Light year
|
X ly
|
|
X-unit Exameter
|
X Em
|
|
X-unit Petameter
|
X Pm
|
|
X-unit Terameter
|
X Tm
|
|
X-unit Gigameter
|
X Gm
|
|
X-unit Megameter
|
X Mm
|
|
X-unit Hectometer
|
X hm
|
|
X-unit Dekameter
|
X dam
|
|
X-unit Micron
|
X µ
|
|
X-unit Picometer
|
X pm
|
|
X-unit Femtometer
|
X fm
|
|
X-unit Attometer
|
X am
|
|
X-unit Megaparsec
|
X Mpc
|
|
X-unit Kiloparsec
|
X kpc
|
|
X-unit Parsec
|
X pc
|
|
X-unit Astronomical unit
|
X AU, UA
|
|
X-unit League
|
X lea
|
|
X-unit Nautical league (UK)
|
—
|
|
X-unit Nautical league (int.)
|
—
|
|
X-unit League (statute)
|
X st.league
|
|
X-unit Nautical mile (UK)
|
X NM (UK)
|
|
X-unit Nautical mile (international)
|
—
|
|
X-unit Mile (statute)
|
X mi, mi (US)
|
|
X-unit Mile (US survey)
|
X mi
|
|
X-unit Mile (Roman)
|
—
|
|
X-unit Kiloyard
|
X kyd
|
|
X-unit Furlong
|
X fur
|
|
X-unit Furlong (US survey)
|
X fur
|
|
X-unit Chain
|
X ch
|
|
X-unit Chain (US survey)
|
X ch
|
|
X-unit Rope
|
—
|
|
X-unit Rod
|
X rd
|
|
X-unit Rod (US survey)
|
X rd
|
|
X-unit Perch
|
—
|
|
X-unit Pole
|
—
|
|
X-unit Fathom
|
X fath
|
|
X-unit Fathom (US survey)
|
X fath
|
|
X-unit Ell
|
—
|
|
X-unit Foot (US survey)
|
X ft
|
|
X-unit Link
|
X li
|
|
X-unit Link (US survey)
|
X li
|
|
X-unit Cubit (UK)
|
—
|
|
X-unit Hand
|
—
|
|
X-unit Span (cloth)
|
—
|
|
X-unit Finger (cloth)
|
—
|
|
X-unit Nail (cloth)
|
—
|
|
X-unit Inch (US survey)
|
X in
|
|
X-unit Barleycorn
|
—
|
|
X-unit Mil
|
X mil, thou
|
|
X-unit Microinch
|
—
|
|
X-unit Angstrom
|
X A
|
|
X-unit A.u. of length
|
X a.u., b
|
|
X-unit Fermi
|
X F, f
|
|
X-unit Arpent
|
—
|
|
X-unit Pica
|
—
|
|
X-unit Point
|
—
|
|
X-unit Twip
|
—
|
|
X-unit Aln
|
—
|
|
X-unit Famn
|
—
|
|
X-unit Caliber
|
X cl
|
|
X-unit Centiinch
|
X cin
|
|
X-unit Ken
|
—
|
|
X-unit Russian archin
|
—
|
|
X-unit Roman actus
|
—
|
|
X-unit Vara de tarea
|
—
|
|
X-unit Vara conuquera
|
—
|
|
X-unit Vara castellana
|
—
|
|
X-unit Cubit (Greek)
|
—
|
|
X-unit Long reed
|
—
|
|
X-unit Reed
|
—
|
|
X-unit Long cubit
|
—
|
|
X-unit Handbreadth
|
—
|
|
X-unit Fingerbreadth
|
—
|
|
X-unit Planck length
|
—
|
|
X-unit Electron radius (classical)
|
—
|
|
X-unit Bohr radius
|
X b, a.u.
|
|
X-unit Earth's equatorial radius
|
—
|
|
X-unit Earth's polar radius
|
—
|
|
X-unit Earth's distance from sun
|
—
|
|
X-unit Sun's radius
|
—
|