Inch to all other distance unit conversions

Inch

The inch (abbreviate as in or ") is a unit of length in Imperial / the US metric system. The measure comes from - by some definitions - the width of a human thumb.
In the 14th century, the inch was defined by the king of England as three grains of barley, dry and round, placed end to end, lengthwise. Inch definition varied through the ages but during the 1950's an international standard was accepted, and since then the inch is equal to exactly 2.54 centimeters.

Unit symbol:

in

  • Height, length, width may be measured in inches, also many sizes are expressed in units derived from inches (e.g. shoe size).
  • where an inch is 1/12th of a foot, 1 in = 0.0254 m.

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Standard Units
Centimeters (cm) {{cm}}
Decimeters (mm) {{dm}}
Feet (ft) {{ft}}
Kilometers (km) {{km}}
Meter (m) {{m}}
Miles (mi) {{mi}}
Millimeter (mm) {{mm}}
Yards (yd) {{yd}}
Other Units
Chains (ch) {{ch}}
Furlongs (fur) {{fur}}
International Nautical Miles(nmi) {{nmi}}
Lightyears (ly) {{ly}}
Parsecs (pc) {{pc}}
UK Nautical Miles(UKnmi) {{UKnmi}}