Axis

Length & distance

inchin

A customary unit of length fixed internationally in 1959.

Dimension
length
Canonical signature
L
System
imperial us
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 in = 0.0254 m
Conversion type
linear
Historical notes
The US survey inch (1/39.37 m) was retired in 2023.
Aliases
in., inch (international), international inch, "

Same dimension

Related units

metresimfootimperial usftmileimperial usmiyardimperial usydlight-yearastronomicallypixelcsspxnanometresinmquettametresiQm

Common conversions

Every conversion routes through the canonical base of the dimension.

1 in = 0.0254 m

Exact relationship

10 in = 0.254 m

Exact relationship