The triangular ruler emoji is the set square from your geometry class that somehow still grades your life choices. On Apple/iOS it’s a bright orange, right-angled triangle with tiny tick marks along the legs and a hollow cutout in the middle, shaded like glossy plastic; the right angle sits at the lower left while the hypotenuse slices upward. It screams drafting table, crisp lines, and the satisfying click of a mechanical pencil. Think: architect starter pack meets back-to-school nostalgia.
People drop this emoji when they want precision energy—layouts, design tweaks, DIY plans, or the “measure twice, post once” vibe. It pairs well with the pencil, ruler, or blueprint emojis to say “I’m building something real” (or at least a clean Canva grid). It’s also prime for nerd-flirt: “You’re acute 😉,” or for a snarky “let me right-angle this messy take.” When someone’s obsessing over alignment or ratios, this emoji enters like a tiny foreman with a clip board.
Culturally, it channels architects, engineers, and anyone who ever battled a protractor during finals week. You’ll see it on StudyTok, Studygram, and DIY carpentry reels when creators flex clean edges and golden-ratio thirst traps for layouts. Bonus meme usage: “We do a little geometry” when chaos needs straightening.
A triangular ruler is a ruler that comes in the shape of a geometric triangle. A handy reference for a 90 degree angle as well as a tool for measuring the length of objects.
| Twitter Emoji Popularity (Rank) | 1861 of 2393 |
| Apple/iOS Picture |  |
| Google Android Picture |  |
| Google Hangouts Picture |  |
| Twitter.com Picture |  |
| LG Emoji Picture |  |
| Samsung Emoji Picture |  |
| Phantom Open Emoji Picture | Not created yet |
| ASCII Conversion | |
| "Short Code" Name | :triangular_ruler: |
| Keywords |
| Unicode Category | Miscellaneous Symbols and Pictographs |
| Unicode Range | 1F300–1F5FF |
| Unicode Subcategory | Office Symbols |
| Unicode Category | Artifacts |
| Unicode Subcategory | Office Symbols |
| Names & Annotations | TRIANGULAR RULER |
| Symbol Information | U+1F4D0 proposed |
| Proposal Identifier | e-551 |
| DoCoMo | [三角定規] |
| KDDI | #158 定規２ U+E4A2 SJIS-F67A JIS-755B |
| Softbank | [三角定規] |
| Emoji Code Version | iOS 5 - Current |
|---|---|
| UTF-8 Unicode Character(s) | 📐 |
| UTF-8 Character Count | 1 |
| Character(s) In Input | |
| AppleColorEmoji Font (available in OSX/iOS) | 📐 |
| Decimal HTML Entity | 📐 |
| Hexadecimal HTML Entity | 📐 |
| Hex Code Point(s) | 1f4d0 |
| Formal Unicode Notation | U+1F4D0 |
| Decimal Code Point(s) | 128208 | UTF-8 Hex (C Syntax) | 0xF0 0x9F 0x93 0x90 |
| UTF-8 Hex Bytes | F0 9F 93 90 |
| UTF-8 Octal Bytes | 360 237 223 220 |
| UTF-16 Hex (C Syntax) | 0xD83D 0xDCD0 |
| UTF-16 Hex | d83ddcd0 |
| UTF-16 Dec | 55357 56528 |
| UTF-32 Hex (C Syntax) | 0x0001F4D0 |
| UTF-32 Hex | 01F4D0 |
| UTF-32 Dec | 128208 |
| Python Src | u"\U0001F4D0" |
| PHP Src | "\xf0\x9f\x93\x90" |
| C/C++/Java Src | "\uD83D\uDCD0" |
| Emoji Encoding | KDDI | |
|---|---|---|
| UTF-8 Unicode Character(s) | | |
| UTF-8 Character Count | 1 | 1 |
| Character(s) In Input | ||
| Decimal HTML Entity |  | 󾕑 |
| Hexadecimal HTML Entity |  | 󾕑 |
| Hex Code Point(s) | e4a2 | fe551 |
| Formal Unicode Notation | U+E4A2 | U+FE551 |
| Decimal Code Point(s) | 58530 | 1041745 |
| UTF-8 Hex (C Syntax) | 0xEE 0x92 0xA2 | 0xF3 0xBE 0x95 0x91 |
| UTF-8 Hex Bytes | EE 92 A2 | F3 BE 95 91 |
| UTF-8 Octal Bytes | 356 222 242 | 363 276 225 221 |
| UTF-16 Hex (C Syntax) | 0xE4A2 | 0xDBB9 0xDD51 |
| UTF-16 Hex | e4a2 | dbb9dd51 |
| UTF-16 Dec | 58530 | 56249 56657 |
| UTF-32 Hex (C Syntax) | 0x0000E4A2 | 0x000FE551 |
| UTF-32 Hex | E4A2 | 0FE551 |
| UTF-32 Dec | 58530 | 1041745 |
| Python Src | u"\uE4A2" | u"\U000FE551" |
| PHP Src | "\xee\x92\xa2" | "\xf3\xbe\x95\x91" |
| C/C++/Java Src | "\uE4A2" | "\uDBB9\uDD51" |
