Three-per-em Space Symbol
is the three-per-em space (U+2004), a typographic space with width scaled to the font’s em size.
U+2004
(THREE-PER-EM SPACE, U+2004) is a Unicode spacing character used for fine typographic control. Because its width is defined relative to the font’s em, it can help maintain consistent visual rhythm across text sizes. It’s commonly used in typography and digital publishing workflows.
Three-per-em Space Symbol Meaning
The character is a typographic space whose width is set to three per-em units (Unicode character: THREE-PER-EM SPACE, U+2004). “Per-em” means the spacing scales with the current font size and metrics, helping designers achieve consistent gaps without manually guessing pixel values. Unlike a normal space, it is intended for precision in layout, such as controlled indentation, sentence spacing, or aligning elements in a typographic composition. It behaves like whitespace in most rendering contexts, so it’s best used where you want an intentional, font-relative gap rather than an arbitrary extra blank character.
Common uses
- •Creating controlled typographic spacing in publishing and layout drafts
- •Aligning text columns where a consistent font-relative gap is needed
- •Adding visual separation around punctuation or inline labels
- •Fine-tuning indentation or spacing in multi-size typographic compositions
- •Setting consistent whitespace in templates for design systems
Examples
Three-Per-Em Space (U+2004)
- Hello world
- Chapter 1
- Item A
- Note: check the spacing
- Left Right (use with care)
Variations
Ready to copy
Technical codes
| Unicode | U+2004 | |
| HTML Entity |   | |
| HTML Code |   | |
| CSS | \2004 |
FAQ
What does the Three-per-em Space symbol mean?
The character is a typographic space whose width is set to three per-em units (Unicode character: THREE-PER-EM SPACE, U+2004). “Per-em” means the spacing scales with the current font size and metrics, helping designers achieve consistent gaps without manually guessing pixel values. Unlike a normal space, it is intended for precision in layout, such as controlled indentation, sentence spacing, or aligning elements in a typographic composition. It behaves like whitespace in most rendering contexts, so it’s best used where you want an intentional, font-relative gap rather than an arbitrary extra blank character.
Is the same as a regular space?
No. is THREE-PER-EM SPACE (U+2004), and its width is defined relative to the font’s em, which can make it visually different from a normal space.
How do I copy this symbol in code?
You can use its Unicode form U+2004, HTML entity  , CSS escape \\2004, or JavaScript escape \\u{2004}.
Will it always look the same across fonts?
The spacing is relative to each font’s em metrics, so it should scale appropriately, but the final visual width can still vary slightly with font design.
Where is it most useful?
It’s most useful in typography, layout, and design systems where you want a precise, font-relative whitespace gap rather than an arbitrary extra space.