Ω
Ohm sign
The SI symbol for electrical resistance in ohms (4.7 Ω). Unicode encodes this letterlike character for legacy compatibility but canonically maps it to the Greek capital omega Ω (U+03A9), which the standard actually recommends for new text — the two look identical in most fonts.
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- Symbol
Ω - Unicode
U+2126 - HTML entity
Ω - CSS content
\2126 - JavaScript
\u2126 - URL encoded
%E2%84%A6