(numeric keypad required): Hold Alt and type 251 → √ (Make sure Num Lock is on.)
Microsoft Office includes a shorthand system called Math AutoCorrect. This allows you to type LaTeX-style commands directly into regular text or equation boxes. Press + = to open the Equation Editor block. Type \sqrt and hit the Spacebar . square root symbol shortcut
The Ultimate Guide to Square Root Symbol Shortcuts: Keyboard, Alt Codes, and Office (numeric keypad required): Hold Alt and type 251
Press + . (Period) or Windows Key + ; (Semicolon) . Type \sqrt and hit the Spacebar
Google Docs features an equation tool similar to Microsoft Word. Click in the top menu bar. Select Equation . Type \sqrt and press Spacebar . Chromebook / ChromeOS Shortcut
If you are typing in Microsoft Word, WordPad, or Outlook, you can use the hexadecimal character code toggle. Type exactly where you want the symbol. Press Alt + X simultaneously. The text 221A will instantly transform into √ . Using the Windows Emoji & Symbol Panel
Chromebooks rely on direct Unicode input for special characters.