square root (√)
Need to type square root (√)? The fastest way is the copy button below. If you'd rather use a keyboard shortcut, the cards underneath cover Windows, macOS, Linux, HTML and Unicode.
- Unicode
- U+221A
- HTML
- √
Windows
No standard shortcut — use the copy button above.
Mac
Option + v
Linux
Ctrl + Shift + u, then 221a
HTML / web
√
√
Unicode
U+221A
Frequently asked questions
What is the fastest way to type √?
Click the Copy button on this page — that copies √ (square root (√)) to your clipboard, ready to paste into any app.
What is the Unicode codepoint for √?
√ has Unicode codepoint U+221A. Its decimal HTML entity is √.
Does √ work in every font?
Most modern system fonts include √. If a specific font lacks the glyph, switch to a Unicode-complete fallback like Noto, Arial Unicode MS, or DejaVu.
Why doesn't the Alt code work for √?
Windows Alt codes only work with the numeric keypad and Num Lock enabled. On laptops without a numeric keypad, use the Character Map app or the copy button above.