Ohm Sign Ω
Ω
U+2126
Symbol Meaning
The International System of Units (SI) features ohms as measurement units for electrical resistance.
The symbol “Ohm Sign” is included in the “Letterlike symbols” subblock of the “Letterlike Symbols” block and was approved as part of Unicode version 1.1 in 1993.
Synonyms
preferred representation is u+03a9.
| Unicode Name | Ohm Sign |
| Unicode Number | |
| Plane | 0: Basic Multilingual Plane |
| Unicode Block | Letterlike Symbols |
| Unicode Subblock | Letterlike symbols |
| Lowercase | ω |
| Unicode Version | 1.1 (1993) |
| Type of paired mirror bracket (bidi) | None |
| Composition Exclusion | No |
| Case change | 03C9 |
| Simple case change | 03C9 |
| Alphabetic | + |
| Uppercase | + |
| Cased | + |
| Changes_When_Lowercased | + |
| Changes_When_Casefolded | + |
| Changes_When_Casemapped | + |
| ID_Start | + |
| ID_Continue | + |
| XID_Start | + |
| XID_Continue | + |
| Grapheme_Base | + |
| scripts | Greek |
| Encoding | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | E2 84 A6 | 226 132 166 | 14845094 | 11100010 10000100 10100110 |
| UTF-16BE | 21 26 | 33 38 | 8486 | 00100001 00100110 |
| UTF-16LE | 26 21 | 38 33 | 9761 | 00100110 00100001 |
| UTF-32BE | 00 00 21 26 | 0 0 33 38 | 8486 | 00000000 00000000 00100001 00100110 |
| UTF-32LE | 26 21 00 00 | 38 33 0 0 | 639696896 | 00100110 00100001 00000000 00000000 |
Copy and paste these codes to use the Ohm Sign character in text for websites, social media, messengers, or blog posts.
| HTML | |
| CSS | |
| JavaScript, JSON | |
| Unix, C, PHP, JAVA | |
| Ruby, PHP | |
| Perl | |
| URL-encode |
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