Double-struck Capital H Letter
ℍ is a Unicode double-struck capital H used for stylized lettering and specialized typography.
U+210D
ℍ (Unicode U+210D) is the double-struck capital H character. It’s commonly used when you want a distinctive, “math-like” or typographic look. Use the copy options below to paste it in your designs, documents, or code.
Double-struck Capital H Letter Meaning
The symbol ℍ is Unicode “DOUBLE-STRUCK CAPITAL H” (U+210D). Visually, it resembles a capital H with a double-struck or bold-outline styling, which helps it stand out from a regular “H”. In practice, it’s often used as a typographic variant in branding, posters, and design mockups, especially when you want a math-inspired or decorative letterform. It can also appear in mathematical or technical contexts where specific “double-struck” letter styling is preferred, depending on the font and setting.
Common uses
- •Graphic design: create a math-inspired title or logo mark
- •Typography: distinguish a heading or label from regular text
- •Social media: add a stylized character to names, badges, or overlays
- •Presentations: emphasize a section label with a distinctive glyph
- •Developer content: include U+210D in UI text, icons, or documentation
Examples
ℍ Double-Struck Capital H (Unicode U+210D)
- ℍTeam ℍ
- ℍModel ℍ
- ℍVersion ℍ: 2.0
- ℍSection ℍ — Overview
- ℍℍ Symbol Pack
Variations
Technical codes
| Unicode | U+210D | |
| HTML Entity | ℍ | |
| HTML Code | ℍ | |
| CSS | \210D | |
| Alt Code | Alt + 8461 | |
| Decimal | 8461 |
How to type Double-struck Capital H Letter (ℍ)
On Windows
Hold Alt and type 8461 on the numeric keypad. In Word, type 210D then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 210D. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 210d, then press Enter or Space.
Anywhere
Copy ℍ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Double-struck Capital H letter mean?
The symbol ℍ is Unicode “DOUBLE-STRUCK CAPITAL H” (U+210D). Visually, it resembles a capital H with a double-struck or bold-outline styling, which helps it stand out from a regular “H”. In practice, it’s often used as a typographic variant in branding, posters, and design mockups, especially when you want a math-inspired or decorative letterform. It can also appear in mathematical or technical contexts where specific “double-struck” letter styling is preferred, depending on the font and setting.
What is the Unicode value for ℍ?
ℍ is Unicode U+210D (DOUBLE-STRUCK CAPITAL H).
How can I copy ℍ into HTML?
You can use the HTML entity ℍ or copy the character directly.
How do I use ℍ in CSS?
Use the CSS escape \\210D to insert the character.
What’s the JavaScript escape for ℍ?
Use \\u{210D} in JavaScript (Unicode code point escape).