U+221A— SQUARE ROOT (√)
Mathematical operator symbol denoting "square root (√)" in algebra, calculus, and logic.
Font:
Size (88px):
√
SQUARE ROOT (√)
U+221A • Decimal 8730
PNG Background:
1-Click Multi-Language Developer Copy Palette (13 Formats)
Instant Clipboard ExportCharacter Glyph (Raw)
√
Unicode Codepoint (Hex)
U+221A
Decimal Integer
8730
HTML Entity (Decimal)
√
HTML Entity (Hex)
√
JavaScript ES6 / JSON
\u221A
Java / C# (Surrogates)
\u221A
Python 3
\u221A
C / C++ / Rust
\u221A
CSS Content
\00221A
URL Percent-Encoded
%E2%88%9A
Raw UTF-8 Bytes (Hex)
0xE2 0x88 0x9A
Base64 Stream
4oia
Unicode Character Database (UCD) Technical Specifications
Unicode 16.0 Standard| Unicode Plane | Plane 0: Basic Multilingual Plane (BMP) • U+0000..U+FFFF |
| Unicode Block | Mathematical Operators (U+2200..U+22FF) |
| General Category | Sm — Math Symbol |
| Bidirectional Class | L (Left-to-Right) • Flow: LTR |
| Unicode Version Introduced | Unicode 2.0 - 5.0 |
| UTF-8 Byte Stream | 0xE2 0x88 0x9A (3 Bytes) |
| UTF-16 Code Units | 0x221A |
| UTF-32 Hexadecimal | 0x0000221A |
Quick Character Summary
Glyph√
Hex CodepointU+221A
Decimal ID8730
ScriptCommon
DirectionLTR (L)
Introduced InUnicode 2.0 - 5.0
Device & Font Support
99.0% SupportApple (iOS / macOS)iOS 5.0+
Google (Android / Chrome)Android 4.0+
Microsoft (Windows)Windows 7+
Standard Basic Multilingual Plane (BMP) character widely supported across all modern browsers.