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.
Definition
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.
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Emoji History The emoji code/ image log of changes.
This emoji first appeared in OSX / iOS after the iOS 5 update.
Emoji General Information
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 Information
Unicode Category
Miscellaneous Symbols and Pictographs
Unicode Range
1F300–1F5FF
Unicode Subcategory
Office Symbols
Proposed Unicode Information & Notes
Unicode Category
Artifacts
Unicode Subcategory
Office Symbols
Names & Annotations
TRIANGULAR RULER
Symbol Information
U+1F4D0 proposed
Proposal Identifier
e-551
Character Mapping/Crosswalk Notes
DoCoMo
[三角定規]
KDDI
#158 定規2 U+E4A2 SJIS-F67A JIS-755B
Softbank
[三角定規]
Emoji Character Encoding Data
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 Character Encoding Data (equivalent or similiar)