U+221D
Proportional to∝
Proportional to is a monochrome text character from the Unicode Mathematical Operators block, listed here under Math. Copy it with one click, or use the hex, octal, decimal and HTML entity codes below to embed it in web pages, code, and documents.
Quick facts
- Unicode
- U+221D
- Decimal
- 8733
- Hex
- 0x221D
- Octal
- 0o21035
Unicode identity
| Format | Value | Copy |
|---|---|---|
| Code pointOfficial Unicode notation | U+221D | |
| Official nameUnicodeData.txt, Unicode 18.0.0 | PROPORTIONAL TO | |
| DecimalBase 10 | 8733 | |
| HexadecimalBase 16 | 0x221D | |
| OctalBase 8 | 0o21035 | |
| BinaryBase 2 | 0010001000011101 | |
| General categorySymbol, math | Sm | |
| Unicode blockU+2200–U+22FF | Mathematical Operators | |
| Plane | Basic Multilingual Plane (BMP, Plane 0) |
HTML & CSS
| Format | Value | Copy |
|---|---|---|
| HTML entity (decimal) | ∝ | |
| HTML entity (hex) | ∝ | |
| HTML entity (named) | ∝ | |
| CSS content escapeUse inside content: "…" | \221D | |
| URL encodedPercent-encoded UTF-8 | %E2%88%9D |
Programming languages
| Format | Value | Copy |
|---|---|---|
| JavaScript / TypeScript | \u221D | |
| JSONUTF-16 surrogate pairs | \u221D | |
| Python | \u221D | |
| Java / C# / Kotlin | \u221D |
Byte encodings
| Format | Value | Copy |
|---|---|---|
| UTF-83 bytes | E2 88 9D | |
| UTF-16 (BE) | 221D | |
| UTF-32 (BE) | 0000221D |
How to type Proportional to
Windows
Hold Alt and type +221D with the hex numeric keypad option enabled, or type 221D then press Alt+X in Word and most Office apps.
macOS
Enable the Unicode Hex Input keyboard, hold Option, and type 221D. Or open Character Viewer (Control+Command+Space) and search "Proportional to".
Linux
Press Ctrl+Shift+U, type 221d, then press Space or Enter in GTK apps. IBus and most terminals support the same sequence.
HTML, CSS & code
Paste the character directly, or use the escapes above: ∝ in HTML, \221D in CSS, and \u221D in JavaScript.
Official Unicode reference
- Character name
- PROPORTIONAL TO
- Block
- Mathematical Operators (U+2200–U+22FF)
- General category
- Sm — Symbol, math
Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Mathematical Operators block: U2200.pdf (PDF, unicode.org).
Frequently asked questions
How do I copy the Proportional to symbol?
Click the Copy button at the top of this page, or select ∝ and press Ctrl+C (Cmd+C on Mac). It is plain Unicode text, so it pastes into documents, chats, code, and design tools.
What is the Unicode code point for Proportional to?
Proportional to is U+221D (decimal 8733, hexadecimal 0x221D, octal 0o21035). It lives in the Mathematical Operators block (U+2200–U+22FF) of the Basic Multilingual Plane (BMP, Plane 0).
What is the official Unicode name of Proportional to?
The Unicode Standard (version 18.0.0) names this character "PROPORTIONAL TO". Its General_Category is Sm (Symbol, math).
What is the HTML code for Proportional to?
Use ∝ or ∝, or the named entity ∝. In CSS, use content: "\221D".
How do I type Proportional to in code?
JavaScript: "\u221D". Python: "\u221D". JSON and Java: "\u221D". The UTF-8 byte sequence is E2 88 9D.
Is Proportional to an emoji?
No. Proportional to is a text symbol and renders as a monochrome glyph in the current font. Some platforms may offer an emoji variant when U+FE0F is appended.