# window_width

Source: https://libtmux.org/en/tmux/3.7c/catalog/formats/window_width/

> Width of window

format variable tmux3.7c

Width of window

* Scope

  Describes the window being formatted

* Type

  Text

* Usage

  `#{window_width}`

## Description[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/window_width/#description)

Width of window

## Releases[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/window_width/#releases)

* [tmux 3.7c](https://libtmux.org/en/tmux/3.7c/catalog/formats/window_width/) : present
* [tmux 3.2a](https://libtmux.org/en/tmux/3.2a/catalog/formats/window_width/) : present

## Source[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/window_width/#source)

* Defined in

  [`format.c:3758`](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L3758)

* C source reference

  [`format_cb_window_width`](https://libtmux.org/en/tmux/3.7c/reference/c-function-format-c-format_cb_window_width/)

* CLI Manual

  [Original manual entry](https://libtmux.org/en/tmux/3.7c/manual/full/#window_width)

## Used by[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/window_width/#used-by)

Library documentation that names this format variable.

* Go

  [`tmux.FormatValues.WindowWidth`](https://libtmux.org/en/go/latest/reference/tmux-formatvalues-windowwidth/), [`tmux.Window.Width`](https://libtmux.org/en/go/latest/reference/tmux-window-width/)