What is Six-Per-Em Space (U+2006)?

The Six-Per-Em Space (U+2006) is a character in Unicode that represents a narrow space. It is used in typography to adjust the spacing between characters. The name “six-per-em” refers to the fact that the width of this character is typically equal to 6/1000ths of an em, which is a unit of measurement used in typography to describe the width of characters in a font.

The Six-Per-Em Space character is narrower than a regular space character (U+0020), and wider than a thin space (U+2009) or a hair space (U+200A). It can be useful in situations where fine adjustments to the spacing between characters are needed, such as in mathematical or scientific writing or when setting text in multiple languages with different character widths.

Unicode	U+2006
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How to type Six-Per-Em Space (U+2006)?

The Six-Per-Em Space (U+2006) character can be typed in various ways, depending on the operating system and the text editor being used. Here are some common methods:

On Windows, you can type the Six-Per-Em Space character using the Windows Character Map. To do this, open the Character Map, select the “Unicode Subrange” option, choose “General Punctuation,” and then locate the Six-Per-Em Space character. You can then copy and paste it into your text editor.
On Mac, you can type the Six-Per-Em Space character using the Keyboard Viewer. To do this, enable the Keyboard Viewer in System Preferences > Keyboard > Input Sources, and then press and hold the Option key. The Keyboard Viewer will appear, and you can select the Six-Per-Em Space character from it.
On both Windows and Mac, you can also type the Six-Per-Em Space character by using a Unicode code point. To do this, you’ll need to enable a Unicode input method, and then type the code point “U+2006” or “2006” using the hexadecimal notation. The exact method for enabling a Unicode input method depends on the operating system and text editor being used.

In some text editors, you can also define custom keyboard shortcuts for inserting frequently-used Unicode characters, such as the Six-Per-Em Space character.