Six-Per-Em Space is one sixth of an em - a narrow gap that separates without really interrupting. It is the space you use when a regular space is too much but running the characters together is too little.
Click the button above to copy Six-Per-Em Space, then paste it wherever you need it. Nothing will appear on your clipboard preview - that is expected, because the character is blank.
| Unicode code point | U+2006 |
|---|---|
| Character name | Six-Per-Em Space |
| Unicode category | Zs (Space Separator) |
| Rendered width | Exactly 1/6 em |
| Line breaking | Breaking - a line can wrap here |
| Collapses in HTML | No |
| Survives trim() | Usually yes |
| HTML entity | |
| JavaScript escape | '\u2006' |
| CSS escape | \2006 |
Need these values in another format? The HTML space characters converter turns any Unicode whitespace character into HTML entities, JavaScript escapes and CSS escapes.
U+2006 SIX-PER-EM SPACE renders at one sixth of an em, about 2.7px in 16px text. Six of them fit inside a single EM Space. In traditional typesetting it was one of the thin spaces, used to open up tight letter combinations and to space out punctuation without creating an obvious gap.
Its width is close enough to Thin Space (U+2009) that the two are often interchangeable in practice, and some fonts render them identically. Where they differ, Six-Per-Em is defined by an exact fraction of the em while Thin Space is left more to the font designer's judgement.
The same character can be preserved in one place and silently removed in another. Here is what actually happens to Six-Per-Em Space in the three contexts that matter most.
Does not collapse, and holds its exact sixth-em width regardless of justification.
Usually survives trimming, as it is not ASCII whitespace.
Generally preserved, but so narrow that most people will not notice it. Not useful for visible spacing in a name.
Not sure what is in a string you already have? Paste it into the invisible character detector to see every hidden character with its code point, or use remove invisible characters to strip them out.
Fine typographic adjustment where you want separation without an obvious gap.
If what you actually need is text that looks completely empty - a blank WhatsApp message, an empty Instagram highlight name, a blank comment or a Free Fire name space - then Hangul Filler is the character to use, because it is not classified as whitespace and survives the trimming that removes Six-Per-Em Space.
Different apps prefer different Unicode characters. Start with these combinations.
Best first choice: Hangul Filler (U+3164). Alternatives: Zero Width Space and No-Break Space.
Best first choice: Hangul Filler. Alternative for tighter formatting: Zero Width Space.
Start with Hangul Filler. If the game rejects it, try Space or No-Break Space.
Use No-Break Space for preventing line breaks, EN Space and EM Space for wider spacing, and Thin Space or Hair Space for finer adjustments. For code-ready values and conversion, see HTML Space Characters.
Width is the fastest way to choose between these characters. If Six-Per-Em Space is not right for your use case, one of these probably is.
| Character | Unicode | Width |
|---|---|---|
| Figure Space | U+2007 | Exactly the width of a digit in the current font |
| Punctuation Space | U+2008 | Exactly the width of a period in the current font |
| Thin Space | U+2009 | About 1/5 em, though the exact width is left to the font |
| Hair Space | U+200A | The narrowest visible space - typically about 1/10 em or less |
| Narrow No-Break Space | U+202F | Narrow, similar to Thin Space |
| Medium Mathematical Space | U+205F | Exactly 4/18 em - two ninths of the font size |
| Hangul Filler | U+3164 | Renders blank; width varies by platform, often zero or narrow |
| Ideographic Space | U+3000 | Exactly 1 em - full-width, matching a CJK character |
| Left-To-Right Mark | U+200E | Zero - it is a formatting mark, not a space |
| Right-To-Left Mark | U+200F | Zero - it is a formatting mark, not a space |
See all 18 Unicode space and invisible characters compared →
Exactly one sixth of an em, roughly 2.7px in 16px text. Six of them equal one EM Space.
They are very similar in width and some fonts draw them identically. Six-Per-Em Space is defined as an exact fraction of the em, while Thin Space's precise width is left more to the font designer.
Yes, and it is a recognised convention in scientific and international number formatting, where a comma or period would be ambiguous. For that use a Narrow No-Break Space is often better, because it will not let the number split across lines.
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