inch (inches)
Unit: in or " (double quotation mark).
This is an Imperial unit used to measure length.
Therefore, it is possible to write 5 inches as 5 in or 5".
1 inch is approximately 2.5 centimetres (1 in ≈ 2.5 cm).
12 inches is equal to 1 foot (12" = 1 ft) and there are 36 inches in a yard (36" = 1 yd).