X-unit Conversions

The X-unit (about 1.002 × 10⁻¹³ m) was used to express X-ray and gamma-ray wavelengths before the ångström and picometer became standard.

From

To

1 xu = 1.00208 × 10⁻¹³ m

Convert X-units to other units

Each line shows how much 1 x-unit (xu) equals. Select a conversion for a calculator, formula and table.

Metric (SI)

X-unit to Meter1.00208 × 10⁻¹³ m
X-unit to Kilometer1.00208 × 10⁻¹⁶ km
X-unit to Hectometer1.00208 × 10⁻¹⁵ hm
X-unit to Dekameter1.00208 × 10⁻¹⁴ dam
X-unit to Decimeter1.00208 × 10⁻¹² dm
X-unit to Centimeter1.00208 × 10⁻¹¹ cm
X-unit to Millimeter1.00208 × 10⁻¹⁰ mm
X-unit to Micrometer1.00208 × 10⁻⁷ µm
X-unit to Micron1.00208 × 10⁻⁷ µ
X-unit to Nanometer0.000100208 nm
X-unit to Angstrom0.00100208 Å
X-unit to Picometer0.100208 pm
X-unit to Femtometer100.208 fm
X-unit to Fermi100.208 fm
X-unit to Attometer100,208 am
X-unit to Megameter1.00208 × 10⁻¹⁹ Mm
X-unit to Gigameter1.00208 × 10⁻²² Gm
X-unit to Terameter1.00208 × 10⁻²⁵ Tm
X-unit to Petameter1.00208 × 10⁻²⁸ Pm
X-unit to Exameter1.00208 × 10⁻³¹ Em

Imperial & US customary

X-unit to Inch3.9452 × 10⁻¹² in
X-unit to Foot3.28766 × 10⁻¹³ ft
X-unit to Yard1.09589 × 10⁻¹³ yd
X-unit to Mile6.22664 × 10⁻¹⁷ mi
X-unit to Kiloyard1.09589 × 10⁻¹⁶ kyd
X-unit to Furlong4.98131 × 10⁻¹⁶ fur
X-unit to Chain4.98131 × 10⁻¹⁵ ch
X-unit to Rope1.64383 × 10⁻¹⁴ rope
X-unit to Rod1.99252 × 10⁻¹⁴ rd
X-unit to Perch1.99252 × 10⁻¹⁴ perch
X-unit to Pole1.99252 × 10⁻¹⁴ pole
X-unit to Fathom5.47944 × 10⁻¹⁴ ftm
X-unit to Link4.98131 × 10⁻¹³ li
X-unit to Hand9.86299 × 10⁻¹³ h
X-unit to Mil3.9452 × 10⁻⁹ mil
X-unit to Microinch0.0000039452 µin

US survey units

X-unit to Foot (US Survey)3.28766 × 10⁻¹³ ft (US)
X-unit to Inch (US Survey)3.94519 × 10⁻¹² in (US)
X-unit to Mile (US Survey)6.22662 × 10⁻¹⁷ mi (US)
X-unit to Mile (Statute)6.22662 × 10⁻¹⁷ mi
X-unit to League (Statute)2.07554 × 10⁻¹⁷ lea
X-unit to Furlong (US Survey)4.9813 × 10⁻¹⁶ fur (US)
X-unit to Chain (US Survey)4.9813 × 10⁻¹⁵ ch (US)
X-unit to Rod (US Survey)1.99252 × 10⁻¹⁴ rd (US)
X-unit to Link (US Survey)4.9813 × 10⁻¹³ li (US)
X-unit to Fathom (US Survey)5.47943 × 10⁻¹⁴ ftm (US)

Nautical

X-unit to Nautical Mile (international)5.4108 × 10⁻¹⁷ NM
X-unit to Nautical Mile (UK)5.40734 × 10⁻¹⁷ NM (UK)
X-unit to Nautical League (int.)1.8036 × 10⁻¹⁷ NL
X-unit to Nautical League (UK)1.80245 × 10⁻¹⁷ NL (UK)

Astronomical

X-unit to Astronomical Unit6.69849 × 10⁻²⁵ au
X-unit to Light Year1.0592 × 10⁻²⁹ ly
X-unit to Parsec3.24752 × 10⁻³⁰ pc
X-unit to Kiloparsec3.24752 × 10⁻³³ kpc
X-unit to Megaparsec3.24752 × 10⁻³⁶ Mpc

Atomic & physics

X-unit to A.u. of Length0.00189366 a₀

Historical & cloth

X-unit to Ell8.7671 × 10⁻¹⁴ ell
X-unit to Cubit (UK)2.19178 × 10⁻¹³ cubit
X-unit to Span (cloth)4.38355 × 10⁻¹³ span
X-unit to Finger (cloth)8.7671 × 10⁻¹³ finger
X-unit to Nail (cloth)1.75342 × 10⁻¹² nail
X-unit to Barleycorn1.18356 × 10⁻¹¹ barleycorn
X-unit to League2.07555 × 10⁻¹⁷ lea
X-unit to Arpent1.71233 × 10⁻¹⁵ arpent
X-unit to Mile (Roman)6.77171 × 10⁻¹⁷ m.p.

Typography

X-unit to Pica2.36712 × 10⁻¹¹ pc
X-unit to Point2.84054 × 10⁻¹⁰ pt
X-unit to Twip5.68108 × 10⁻⁹ twip

Convert other units to X-units