Radioactive symbol (☢)
U+2622 · RADIOACTIVE SIGN · Unicode 1.1 (1993)
How to type ☢
Windows
No Alt code
☢ is not in the Windows code pages 1252 or 437, so it has no Alt code. Use one of the methods below or copy it from this page.
Word and Outlook: Alt + X
2622 Alt+X
Type 2622 and press Alt+X right after it: Word turns the code into ☢. Press Alt+X again to turn it back into the code.
Emoji and symbols panel (Windows 10 and 11)
Win+.
Press Win + full stop (.) to open the panel and type “radioactive symbol” to find ☢.
No numeric keypad on your laptop? See the other ways in our Alt codes guide.
Mac
Character Viewer
Ctrl+⌘ Cmd+Space
Press Ctrl+⌘+Space (or the Globe key + E), search for “radioactive symbol” and click ☢ to insert it.
iPhone
Emoji keyboard
Open the emoji keyboard, tap the search field and type “radioactive symbol” to find ☢.
Make a shortcut (Text Replacement)
Turn a short word into ☢ once and type it in any app:
- Copy ☢ from this page.
- Open Settings › General › Keyboard › Text Replacement and tap +.
- Paste ☢ as the Phrase and type a Shortcut, for example ;radioactiv.
- Now type ;radioactiv anywhere: the keyboard suggests ☢.
Android
Make a shortcut (Gboard personal dictionary)
Teach your keyboard a short word that turns into ☢:
- Copy ☢ from this page.
- Open Gboard settings › Dictionary › Personal dictionary, choose your language and tap +.
- Paste ☢ as the word and type a shortcut, for example ;radioactiv.
- Type ;radioactiv in any app and tap ☢ in the suggestions.
Linux
Unicode input
Ctrl+Shift+U 2622 Enter
Press Ctrl+Shift+U, type 2622 and press Enter or Space. Works in GTK apps and with IBus (GNOME, Ubuntu, Fedora).
What ☢ means and how it is used
The official Unicode name of ☢ is RADIOACTIVE SIGN, code point U+2622. You will find it in the Miscellaneous Symbols block; it was added in Unicode 1.1 (1993).
It also goes by these names and keywords: sign.
It sits in the signs with 80 symbols, among them ⚠ ♻ ☣ ⚕ ☮.
Codes for HTML, CSS and JavaScript
Tap Copy next to the code you need.
| HTML decimal | ☢ | |
|---|---|---|
| HTML hex | ☢ | |
| CSS | content: "\2622"; | |
| JavaScript | \u2622 | |
| URL | %E2%98%A2 | |
| UTF-8 bytes | E2 98 A2 | |
| Unicode | U+2622 |
Will it show on my friend's phone?
☢ has been in Unicode since version 1.1 (1993). Practically every phone, computer and app shows it.
Checking your device…
Names in other languages
What ☢ is called in the 12 languages of this site (Unicode CLDR and our editors). Tap a name to open that language's page.
| Language | Name |
|---|---|
| English | Radioactive symbol |
| Português | Símbolo de radioatividade |
| Español | Símbolo de radiactividad |
| Italiano | Simbolo radioattività |
| Français | Symbole radioactivité |
| Deutsch | Radioaktivitätszeichen |
| Türkçe | Radyasyon sembolü |
| Bahasa Indonesia | Simbol radioaktif |
| Polski | Symbol promieniowania |
| Русский | Знак радиации |
| 日本語 | 放射能マーク |
| 한국어 | 방사능 기호 |
Related symbols
All Signs →Questions people ask
How do I type ☢ on a laptop without a numeric keypad?
On Windows press Win + full stop (.) and pick ☢ in the Symbols tab, or in Word type 2622 and press Alt+X.
How do I type ☢ on an iPhone?
The iPhone keyboard has no key for ☢. Copy it here, then add it in Settings › General › Keyboard › Text Replacement with a shortcut like ;radioactiv.
What is the HTML code for the radioactive symbol?
There is no named entity; use ☢ or ☢. In CSS write \2622, in JavaScript \u2622.
Will ☢ show on every phone?
☢ has been in Unicode since version 1.1 (1993). Practically every phone, computer and app shows it.