Definition of


An inch is a measure of length in US units.

There are 12 inches in a foot, and 36 inches in a yard.

This ruler (not to scale) measures up to 12 inches (or up to 30 centimeters on the bottom)

The abbreviation is: in
Or sometimes the double quote mark: "

Example: 16 inches can be written 16 in, or just 16"

One inch is exactly 2.54 centimeters.

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