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User Guide
This distance converter and conversion scale can be used to convert any measurement of distance from one unit of distance to another.
Conversion Factors
The following units and associated conversion factors in metres (SI units for distance) are used by this distance converter:
SI Metric Prefix Distance Units
- yoctometre (ym) – 1 x 10-24 m
- zeptometre (zm) – 1 x 10-21 m
- attometre (am) – 1 x 10-18 m
- femtometre (fm) – 1 x 10-15 m
- picometre (pm) – 1 x 10-12 m
- nanometre (nm) – 1 x 10-9 m
- micrometre (µm) – 0.000001 m
- millimetre (mm) – 0.001 m
- centimetre (cm) – 0.01 m
- decimetre (dm) – 0.1 m
- metre (m) – 1 m
- decametre (dam) – 10 m
- hectometre (hm) – 100 m
- kilometre (km) – 1,000 m
- megametre (Mm) – 1,000,000 m
- gigametre (Gm) – 1 x 10+9 m
- terametre (Tm) – 1 x 10+12 m
- petametre (Pm) – 1 x 10+15 m
- exametre (Em) – 1 x 10+18 m
- zettametre (Zm) – 1 x 10+21 m
- yottametre (Ym) – 1 x 10+24 m
Imperial and US Distance Units
- thousandth of an inch (thou) – 0.0000254 m
- inch (in) – 0.0254 m
- foot (ft) – 0.3048 m
- yard (yd) – 0.9144 m
- mile (mi) – 1,609.344 m
- nautical mile (nmi) – 1,852 m
Astronomical Distance Units
- astronomical unit (au) – 149,597,870,700 m
- light-year (ly) – 9,460,730,472,580,800 m
- parsec (pc) – 30,856,775,814,913,672.789… m
- kiloparsec (kpc) – 3.0856775814913672789… x 10+19 m
- megaparsec (Mpc) – 3.0856775814913672789… x 10+22 m
- gigaparsec (Gpc) – 3.0856775814913672789… x 10+25 m