Symbol· Math & Numbers
∿ Sine Wave
U+223F
∿ is the Unicode character “Sine Wave” (U+223F, decimal 8767) in the Math & Numbers collection on Free Text Symbols. It pastes as plain text into bios, usernames, messages, docs, and code comments — not as an image sticker. It sits in the Mathematical Operators block and was added in Unicode 1.1.
PNG image
Pick a size from 64 to 1024 px and a transparent or solid background. The PNG is created in your browser — nothing is uploaded.
SVG image
Pick a size from 64 to 1024 px and a transparent or solid background. Download the SVG file or copy the markup to paste into design tools and HTML. Created in your browser — nothing is uploaded.
Codes for developers
- Unicode
- U+223F
- Decimal
- 8767
- UTF-8
- E2 88 BF
- HTML entity
- ∿
- HTML hex
- ∿
- CSS escape
- \223f
- JavaScript
- \u223F
- URL
- %E2%88%BF
- Unicode block
- Mathematical Operators
- Unicode version
- 1.1
What is Sine Wave?
∿ is the Unicode character “Sine Wave” (U+223F, decimal 8767) in the Math & Numbers collection on Free Text Symbols. It pastes as plain text into bios, usernames, messages, docs, and code comments — not as an image sticker. It sits in the Mathematical Operators block and was added in Unicode 1.1.
When to use ∿
Use Sine Wave when you want a compact Math & Numbers glyph that survives copy-paste across phones and apps. Pair it with other Math & Numbers symbols, or drop it into a fancy-text line for Instagram, Discord, TikTok, or email signatures.
How to copy and paste
Tap the large glyph or the Copy button to put ∿ on your clipboard, then paste with Ctrl+V or Cmd+V. Open the parent Math & Numbers page for more related characters, or the guide for PNG download tips.
What ∿ is (and isn't)
∿ (U+223F SINE WAVE) is a symbol from the Mathematical Operators block: one smooth up-and-down wave. Unicode's character notes give it the alias "alternating current" and cross-reference ⏦ U+23E6 AC CURRENT. Despite the name, it isn't how you write the sine function. In math that's always the letters sin, as in sin x.
Ways to use ∿
- Electronics and audio notes: a compact AC or sine-signal label in a chat or parts list, e.g.
230 V ∿. - Synth and music production notes: tagging a waveform as ∿ sine.
- Decoration: a single wave in a bio or beach caption:
∿ ocean days ∿.
Don't confuse it with these
| Glyph | Code point | Name | How it differs |
|---|---|---|---|
| ∿ | U+223F | SINE WAVE | Alias "alternating current" |
| ~ | U+007E | TILDE | The keyboard tilde; the one used in code, paths and URLs |
| ∼ | U+223C | TILDE OPERATOR | Math: "similar to", "varies with", "difference between". See ∼ |
| ≈ | U+2248 | ALMOST EQUAL TO | Two stacked waves; alias "asymptotic to". See ≈ |
| 〜 | U+301C | WAVE DASH | A dash from the CJK Symbols and Punctuation block |
| 〰 | U+3030 | WAVY DASH | Has the Unicode emoji property, so it may appear as an emoji |
| ⏦ | U+23E6 | AC CURRENT | A separate AC character in Miscellaneous Technical (Unicode 5.0) |
In code, file paths and URLs, only the ASCII ~ works. ∿ is a different character, so in a command like cd ~ it won't be read as the home-directory tilde.
Rendering notes
∿ isn't an emoji, so it keeps your text color. It dates from Unicode 1.1. ⏦ is much newer (5.0), so if a device shows a box for ⏦, ∿ is the older alternative with the same "alternating current" alias.
Typing ∿
Word for Windows: 223F then Alt + X. Mac (Unicode Hex Input): Option + 223F. HTML: ∿.
Related Math & Numbers symbols
FAQ
Sine Wave FAQ
Short answers about copying ∿ (Sine Wave).
How do I copy Sine Wave (∿)?
Click the large ∿ glyph or the Copy button on this page. The character is copied as Unicode text you can paste into any app that accepts plain text.
What is the Unicode code for Sine Wave?
Sine Wave is U+223F (decimal 8767, UTF-8 E2 88 BF). HTML entity: ∿. HTML hex: ∿. CSS escape: \223f.
Where can I paste ∿?
Paste Sine Wave into social bios, usernames, chat apps, documents, and websites. It is free Unicode text from the Math & Numbers set on Free Text Symbols.
How do I download Sine Wave (∿) as a PNG?
Use the PNG image panel on this page. Choose a size from 64 to 1024 pixels and a transparent or solid background, then press Download PNG. The file is created in your browser.
How do I download or copy Sine Wave (∿) as an SVG?
Use the SVG image panel on this page. Choose a size from 64 to 1024 pixels and a transparent or solid background, then press Download SVG or Copy SVG. The file and the markup are created in your browser.
Is ∿ the sine function?
No. The sine function is written "sin", as in sin(30°) = 0.5. ∿ is a wave symbol, used as a label or icon.
What's the difference between ∿ and ~?
~ (U+007E) is the keyboard tilde used in code, paths and URLs. ∿ (U+223F) is a math symbol whose Unicode alias is "alternating current". They look similar but aren't interchangeable.
Which symbol means alternating current?
Unicode has two: ∿ SINE WAVE (U+223F), which carries the alias "alternating current", and ⏦ AC CURRENT (U+23E6), added in Unicode 5.0. Unicode cross-references them to each other.