Double-Struck Capital H
Most keyboards skip the double-struck capital h entirely, which is why it gets copied instead of typed. This one lives at code point U+210D and belongs to the math group; click it above to copy, or use the table below for the HTML, CSS and JavaScript equivalents.
| Symbol | ℍ | |
|---|---|---|
| Unicode | U+210D | |
| Name | Double-Struck Capital H | |
| HTML (decimal) | ℍ | |
| HTML (hex) | ℍ | |
| CSS content | \210D | |
| JavaScript / JSON | \u210D | |
| UTF-8 bytes | 0xE2 0x84 0x8D | |
| UTF-16 units | 0x210D |
How to type the double-struck capital h symbol
- Copy and paste: click the ℍ at the top of this page, then paste with Ctrl+V (Windows) or Cmd+V (Mac). This is the fastest route on any device.
- HTML: write
ℍin your markup. - CSS: use
content: "\210D"in a::beforeor::afterrule. - JavaScript: the escape
\u210Dproduces this character in a string.
Frequently asked questions
How do I copy the double-struck capital h symbol?
Click the ℍ above or the copy button and it is placed on your clipboard. Paste it anywhere with Ctrl+V or Cmd+V. It is a real text character, so it works in documents, chats and code.
What is the Unicode code point for double-struck capital h?
The double-struck capital h has the Unicode code point U+210D. In HTML you can write it as ℍ or ℍ.
Is the double-struck capital h an emoji or a text character?
It is a plain Unicode text character, not an image or an emoji sticker. That means the ℍ inherits the surrounding font, size and color wherever you paste it, and it works in places emoji often do not, such as usernames, file names and code.
Related symbols
Browse the full math symbols hub, or return to the searchable symbol grid.