Kelvin Sign
U+212ALetterlike Symbols
Copy and paste K. The Kelvin Sign character has Unicode code point U+212A and decimal HTML code K.
Symbol codes
- Unicode
U+212A- HTML Code
K- CSS Code
\212A- HEX Code
K
Technical properties
Unicode 18.0.0
- Code point
- U+212A
- Decimal
- 8490
- Unicode name
- KELVIN SIGN
- Block
- Letterlike Symbols · U+2100–U+214F
- General category
- Uppercase Letter (Lu)
- Script
- Latin
- Introduced
- Unicode 1.1
- JavaScript
- "\u212A"
Appears in
About Kelvin Sign
K is encoded in Unicode as code point U+212A (decimal 8490). Its official Unicode name is KELVIN SIGN.
It belongs to the Letterlike Symbols block (U+2100–U+214F), its General Category is Uppercase Letter (Lu), and it was added in Unicode 1.1, released in 1993. Unicode assigns it to the Latin script.
Sources: Unicode Character Database 18.0.0.
How to type or insert Kelvin Sign
- Any device
- Select Copy symbol, then paste with Ctrl+V, or ⌘+V on a Mac.
- Microsoft Word
- Type
212A, then press Alt+X. - macOS Character Viewer
- Press Control+⌘+Space and search for “kelvin sign”.
- Linux (GTK and IBus)
- Press Ctrl+Shift+U, type
212a, then press Space. - HTML
K. In a UTF-8 page you can also paste the character itself.- CSS
content: "\212A";in a::beforeor::afterrule.- JavaScript
"\u212A"
Common questions about Kelvin Sign
What is the Kelvin Sign?
K (Kelvin Sign) is an uppercase letter in Unicode’s Letterlike Symbols block. Its code point is U+212A, and it has been part of the standard since Unicode 1.1 (1993).
How do I copy and paste the Kelvin Sign?
Select Copy symbol at the top of this page, then paste with Ctrl+V on Windows and Linux or ⌘+V on a Mac. On a phone, tap Copy symbol, then touch and hold where you want it and choose Paste. K pastes as ordinary text, so it works in documents, messages, and code.
How do I type the Kelvin Sign on Windows?
In Microsoft Word, type 212A and press Alt+X to turn the code into K. In any app, open Character Map from the Start menu, search for “kelvin sign”, then select and copy the character.
How do I type the Kelvin Sign on a Mac?
Press Control+⌘+Space to open the Character Viewer, search for “kelvin sign”, and double-click the result to insert it.
How do I type the Kelvin Sign on an iPhone or Android phone?
The simplest way is to copy it from this page and paste it where you need it. If you use it often, save it as a text shortcut: on iPhone, go to Settings > General > Keyboard > Text Replacement; with Gboard on Android, go to Gboard settings > Dictionary > Personal dictionary.
Can I use the Kelvin Sign in Word, Google Docs, and social media?
Yes. K is a standard Unicode character, so you can paste it into Microsoft Word, Google Docs, emails, and posts or bios on Instagram, X, Facebook, and TikTok. In Google Docs you can also choose Insert > Special characters and search for “kelvin sign”. In Word, choose Insert > Symbol > More Symbols, set from to Unicode (hex), and enter 212A as the character code.
Is the Kelvin Sign an emoji?
No. K is a text symbol, not an emoji. It takes the color and size of the surrounding text, and its exact shape depends on the font.
Why does the Kelvin Sign show as a box or question mark?
An empty box or a question mark means the font on that device has no glyph for K. The character is still there: it appears correctly wherever a font covers Unicode’s Letterlike Symbols block, and free font families such as Google Noto cover nearly all of Unicode.
What are the HTML and CSS codes for the Kelvin Sign?
In HTML, write K (decimal) or K (hexadecimal). In CSS, use content: "\212A"; in a ::before or ::after rule, and in JavaScript "\u212A". See all HTML codes.