Letter O Symbols (โ โ ๐ข ๐) With Easy Copy & Paste
Explore our complete collection of Letter O symbols, including aesthetic fonts, small letter o styles, Greek characters, circled O letters, script fonts, and double-struck symbols. Click or tap any letter O symbol to instantly copy and paste anywhere online.
Accented & Standard Letters
O Capital O
o Small o
ร Capital O Acute
รณ Small o Acute
ร Capital O Grave
รฒ Small o Grave
ร Capital O Circumflex
รด Small o Circumflex
ร Capital O Diaeresis
รถ Small o Diaeresis
ร Capital O Tilde
รต Small o Tilde
ร Capital O Stroke
รธ Small o Stroke
ล Capital O Macron
ล Small o Macron
ล Capital O Breve
ล Small o Breve
ล Capital O Double Acute
ล Small o Double Acute
แป Capital O Dot Below
แป Small o Dot Below
ล Capital OE Ligature
ล Small oe Ligature
O Standard Capital O
o Standard Small o
๐ช Script Capital O
รธ Small o Stroke
โ Circled Small o
ฮฉ Greek Capital Omega
Aesthetic & Stylish Fonts
๐ข Bold Capital O
๐ผ Bold Small o
๐ Italic Capital O
๐ Italic Small o
๐ Bold Italic Capital O
๐ค Bold Italic Small o
๐ช Script Capital O
โด Script Small o
๐ Fraktur Capital O
๐ฌ Fraktur Small o
๐บ Bold Fraktur Capital O
๐ Bold Fraktur Small o
๐ Double-Struck Capital O
๐ Double-Struck Small o
๏ผฏ Fullwidth Capital O
๏ฝ Fullwidth Small o
แด Small Capital O
แดผ Superscript Capital O
แต Superscript Small o
โ Subscript Small o
Enclosed, Shapes & Look-alikes
โ Circled Capital O
โ Circled Small o
๐
Negative Circled Capital O
๐พ Squared Capital O
๐
พ Negative Squared Capital O
(O) Parenthesized Capital O
(o) Parenthesized Small o
ฮ Greek Capital Omicron
ฮฟ Greek Small Omicron
ฮฉ Greek Capital Omega
ฯ Greek Small Omega
โ Circled Dot Operator
ใ Ideographic Number Zero / Circle
Unicode Standard 15.1Mathematical Alphanumeric & Enclosed Letters
Letter O Symbols Copy Paste (โ ๐
พ ๐ ๐ช ๐) โ Aesthetic Fonts & Alphabet Glyphs
Letter O (U+004F) provides essential typographic and symbolic expressions across digital systems. From aesthetic circled letters (โ) and mathematical blackboard bold fonts to classical roman lettering, these pure Unicode characters offer zero-latency vector rendering across modern operating systems with 0KB bandwidth overhead.
โAccording to Donald Knuth and the Association for Computing Machinery (ACM), letter O defines Big O asymptotic notation (O(n)), while in chemistry capital O designates life-sustaining Oxygen (atomic number 8).โ
โ ACM Algorithmic Standards & Knuth's Concrete MathematicsAlt + 9412
Circled Alt Code
Windows keypad shortcut for circled capital letter โ for social profiles and clean branding.
Big O Complexity
Asymptotic Analysis
Universal algorithmic complexity notation O(1), O(n log n), and O(nยฒ) bounding computational resources.
Atomic Number 8
Oxygen Gas (Oโ)
The third most abundant element in the cosmos by mass, making up 21% of Earth's atmosphere and 88% of water mass.
Letter O Symbols & Aesthetic Fonts Technical Specifications
Complete Unicode code points, Alt codes, and cross-platform compatibility specifications for core Letter O symbol styles.
| Symbol | Symbol Name | Unicode | Alt Code | Platform Status |
|---|
| โ | Circled Capital O | U+24C4 | Alt + 9412 | Universal Cross-Platform |
| ๐
พ | Negative Squared Capital O | U+1F17E | Alt + 127358 | Mobile & Web Standard |
| ๐ | Double-Struck Capital O | U+1D546 | Alt + 120134 | Mathematical Standard |
| ๐ช | Mathematical Script Capital O | U+1D4AA | Alt + 119978 | Elegant Calligraphy |
| ๐ | Mathematical Fraktur Capital O | U+1D512 | Alt + 120082 | Classic Gothic Fraktur |
| แด | Latin Letter Small Capital O | U+1D0F | Alt + 7439 | Phonetic Extensions Standard |
Typographic Rules & Usage Guidelines
- โ
Numeral Zero Disambiguation:Strictly distinguish capital letter O from digit zero (0); use slashed zero (0ฬธ) or monospace fonts when writing code.
- โ
Big O Formatting:In computer science papers, write Big O with an upright capital O followed by parentheses, e.g. O(n log n).
- โ
Blood Group Notation:Use capital O for universal donor blood types (O-negative) to preserve medical precision.
Frequently Asked Questions & Letter O Guide
Click or tap any letter O symbol card above to copy it directly to your clipboard. You can paste it into social media bios, gaming names, or chat apps using Ctrl + V on Windows/Linux or Cmd + V on macOS.
You can copy Circled (โ), Squared (๐
พ), Double-Struck (๐), Script (๐ช), Gothic Fraktur (๐), and Small Capital (แด) versions of letter O.
Yes. Games like Fortnite, Roblox, and Free Fire accept standard Unicode alphanumeric characters for clan tags and display nicknames.
On Windows, hold the Alt key and enter 9412 on your numeric keypad, or click the symbol on this page to copy it instantly.
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