Copy Three-Per-Em Space (U+2004): One-Third Em Width
Copy Three-Per-Em Space (U+2004): One-Third Em Width
The Unicode character U+2004 is the Three-Per-Em Space — a specialized whitespace character crafted for precise horizontal text alignment in fine typography.
Its key metric is simple: it is exactly one-third the width of an em in the current font. That makes it the in-between choice designers reach for when a quarter-em feels too tight and a half-em feels too loose.
Copy it below and use the codes to slot exact thirds of an em into your layouts.
Copy the Three-Per-Em Space Character
Grab it instantly with one click — no typing or hunting through character maps:
The character is inside the square brackets above — hit the button to copy it to your clipboard.
Character Codes for U+2004
Use these codes to insert the Three-Per-Em Space in HTML, CSS, or any programming language:
| Format | Code |
|---|---|
| HTML Code |   |
| CSS Code | \u2004 |
| Hex Code |   |
| Unicode Name | THREE-PER-EM SPACE |
| Unicode Value | U+2004 |
What Is the Three-Per-Em Space (U+2004)?
The Three-Per-Em Space holds a fixed width of one-third em, so it never varies with justification, never collapses in HTML, and never depends on the font’s default word space. In a 18px font, it contributes a clean 6px gap — the kind of micro-measurement that separates amateur spacing from professional typesetting.
It shines in meticulous alignment work: evening out ragged columns, spacing punctuation away from words, balancing mixed font sizes on one line, and tuning the rhythm of display type. Because it is narrower than an en space yet wider than the thin spaces, it fills a gap in the spacing palette that nothing else covers exactly.
Where to Use the Three-Per-Em Space
| Use Case | Description |
|---|---|
| Fine column alignment | Nudges text columns into perfect alignment at one-third em increments. |
| Punctuation spacing | Puts measured air between words and adjacent punctuation marks. |
| Mixed-size lines | Balances lines that combine large and small type without visual wobble. |
| Display type rhythm | Tunes the spacing cadence of headlines and poster typography. |
| In-between gaps | Fills the gap between quarter-em and half-em spacing needs exactly. |
Frequently Asked Questions
Exactly one-third of an em. In an 18px font that is about 6px of fixed space.
Yes — is the named entity for the three-per-em space, though the numeric is more widely recognized.
When a half-em gap looks too wide: fine alignment, punctuation breathing room, and tight display layouts where every pixel of rhythm matters.
No. It is a fixed-width character that keeps its full width in HTML, CSS content, and documents.
Related Invisible Characters
- FOUR-PER-EM SPACE (U+2005) — Quarter Em Width
- EN SPACE (U+2002) Unicode Character and HTML Entity
- SIX-PER-EM SPACE (U+2006) — Copy and Use
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