Mac Guide

How to Type the Square Root Symbol on Mac

Reviewed by Mateo·Last updated June 2026

Quick answer: Press Option + V on any Mac keyboard. √ appears instantly — no setup, no Character Viewer, works in every app.

Copy the square root symbol instantly

The Shortcut: Option + V

  1. Place your cursor where you want √
  2. Hold Option (“Alt” on some non-US keyboards)
  3. Press V
  4. Release both keys

√ appears instantly in Word, Pages, Google Docs, Slack, iMessage, Notes — any app that accepts text.

Does This Work on Every Mac?

Yes. Option+V is built into macOS at the system level. Works on every Mac — MacBook Air, MacBook Pro, Mac mini, iMac — regardless of hardware.

Non-US keyboards: Open System Settings → Keyboard → Input Sources and switch to US layout if Option+V does not produce √.

Method 2: Character Viewer

  1. Press Ctrl + Cmd + Space
  2. Search for square root
  3. Double-click √ to insert

Method 3: Copy and Paste

Highlight and copy with Cmd+C — paste anywhere with Cmd+V. Works in any app.

Comparison by Platform

PlatformMethodShortcut
MacSystem shortcutOption + V
WindowsAlt codeAlt + 251
ChromebookUnicodeCtrl+Shift+U → 221A

Frequently Asked Questions

Does Option+V work in every Mac app?

Yes. Handled at the macOS input layer — works in any app that accepts text.

My keyboard is not US layout. What do I do?

Option+V is mapped to the US English layout. Use Character Viewer (Ctrl+Cmd+Space) as a reliable fallback on any layout.

How do I type the cube root ∛ on Mac?

No keyboard shortcut exists. Use Character Viewer and search for “cube root.”

Is √ the same as a checkmark?

No. Square root (√ U+221A) and checkmark (✓ U+2713) are different Unicode characters.