Square Root Symbol √ — Copy & Paste
The square root symbol √ (radical sign) indicates the square root operation in mathematics. The number or expression under the radical sign is called the radicand. For cube roots or higher roots, a small number is placed in the notch of the radical sign.
How to Type Square Root Symbol
Option + VNo standard Alt code — copy from this page or use Character MapNot on standard keyboard — copy from this page√On Android, long-press common keys or use the special characters keyboard to find √. Or just copy it from this page — it works everywhere.
Unicode Details
U+221A8730221A√Where Is Square Root Symbol Used?
- ✦Math equations
- ✦Algebra
- ✦Physics formulas
- ✦Scientific notation
Other Names for √
Frequently Asked Questions
How do I type the square root symbol on a Mac?▼
On a Mac, press Option + V to insert √ directly in any text field.
Does √ work on Instagram, Discord, and TikTok?▼
Yes — √ is a standard Unicode character (U+221A) that renders on every platform and device. Copy it from this page and paste it into any text field on Instagram, Discord, TikTok, Twitter/X, WhatsApp, or elsewhere.
What is the HTML code for √?▼
The HTML entity for √ is √. You can also use the numeric reference √ or the hex reference √.