Double-struck small gamma (ℽ) is the Unicode character at U+213D in the Letterlike Symbols block. Official name: DOUBLE-STRUCK SMALL GAMMA (also called blackboard bold small gamma). It is used in mathematical and scientific notation.
Remember
Character ℽ
Unicode U+213D
Hex entity ℽ
Decimal ℽ
CSS escape \213D
Named entity (none)
Not the same γ (γ) · ℾ
Prefer ℽ or ℽ in HTML (no named form). You can also type ℽ in UTF-8.
Double-struck gamma using Hex Code: ℽ
Double-struck gamma using HTML Code: ℽ
Double-struck gamma using CSS Entity: ℽ
Typed directly: ℽ
Compared: ℽ (double-struck) vs γ (Greek)
How It Works
1. Hex:U+213D → ℽ in HTML. Preferred when there is no named entity.
2. Decimal: same code point as 8509 → ℽ. Same result as hex.
3. CSS: use \213D in content (not an HTML entity). #point::after appends that ℽ after the paragraph text.
4. Typed / compared: paste ℽ in UTF-8, or contrast it with γ (γ).
Pitfalls & Tips
Common mistakes when working with Double Struck Small Gamma.
Name
No named entity
There is no HTML5 named entity for U+213D. Use ℽ or ℽ.
γ
Not γ
γ is Greek small gamma (U+03B3). Double-struck small gamma is a different Letterlike Symbol.
ℾ
Small vs capital
U+213E is double-struck capital gamma (ℾ). U+213D is the small form.
Gopf
Not 𝕘 / 𝔾
𝕘 / 𝔾 are Mathematical Alphanumeric Symbols for double-struck Latin g/G — not Greek gamma Letterlike forms.
CSS vs HTML
Do not mix escapes
\213D belongs in CSS strings. ℽ / ℽ belong in HTML.
Fonts
Math font coverage
Some fonts omit Letterlike Symbols. Prefer a math-capable font for reliable display of ℽ.
Semicolon
End references
Always finish numeric entities with ; — write ℽ, not ℽ.
Compatibility
Browser Support
Double-struck small gamma (U+213D) and its entity forms (ℽ, ℽ, CSS \\213D) are supported in all mainstream browsers. Visible glyphs depend on math / Letterlike Symbols font coverage.
✓ Universal support
Double Struck Small Gamma (ℽ)
Encode with hex, decimal, CSS escape, or type the character — same code point everywhere encoding is supported.
100%Browser coverage
Google ChromeSupported
Yes
Microsoft EdgeSupported
Yes
Mozilla FirefoxSupported
Yes
Apple SafariSupported
Yes
OperaSupported
Yes
Internet ExplorerAll versions
Yes
U+213D / entitiesFull support
Bottom line: Prefer ℽ in HTML (no named form). Use ℽ when decimal form is required, and \\213D only inside CSS content.
Remember
Key Takeaways
Unicode: double-struck small gamma is U+213D (decimal 8509) — glyph ℽ.
HTML: no named entity — use ℽ / ℽ / type ℽ.
CSS: use \213D inside content for generated text.
Meaning:ℽ = blackboard-bold small gamma — not γ, not ℾ.
One line:U+213D → ℽ / ℽ / CSS \213D / type ℽ.
Frequently Asked Questions
Use ℽ (hex), ℽ (decimal), type ℽ directly in UTF-8, or the CSS escape \213D in content. There is no named HTML entity for U+213D.
U+213D (DOUBLE-STRUCK SMALL GAMMA). Hex 213D, decimal 8509. It belongs to the Letterlike Symbols block (U+2100–U+214F).
No. Use numeric forms ℽ or ℽ, or type the character in a UTF-8 document. Greek small gamma uses γ (U+03B3) — a different character.
Use it in mathematical or scientific text when you need the blackboard-bold / double-struck small gamma glyph. Prefer γ for ordinary Greek small gamma γ, and U+213E for the capital double-struck form.
HTML entities (ℽ or ℽ) go in markup. The CSS escape \213D goes in stylesheet strings (usually content on ::before/::after).
No. U+213D is double-struck small gamma ℽ. γ is Greek small gamma γ (U+03B3). U+213E is double-struck capital gamma ℾ.
🤔
Did you know?
Double-struck small gamma is Unicode U+213D (decimal 8509) — glyph ℽ in the Letterlike Symbols block. There is no HTML5 named entity; use ℽ or ℽ. Also called blackboard bold small gamma. Do not confuse with Greek small gamma γ (γ, U+03B3) or double-struck capital gamma ℾ (U+213E).
