Step 1: Determine the UTF-8 encoding bit layout
The character ㎜ has the Unicode code point U+339C. In UTF-8, it is encoded using 3 bytes because its codepoint is in the range of
0x0800to0xffff.
Therefore we know that the UTF-8 encoding will be done over 16 bits within the final 24 bits and that it will have the format:1110xxxx 10xxxxxx 10xxxxxx
Where thexare the payload bits.UTF-8 Encoding bit layout by codepoint range Codepoint Range Bytes Bit pattern Payload length U+0000 - U+007F 1 0xxxxxxx 7 bits U+0080 - U+07FF 2 110xxxxx 10xxxxxx 11 bits U+0800 - U+FFFF 3 1110xxxx 10xxxxxx 10xxxxxx 16 bits U+10000 - U+10FFFF 4 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx 21 bits Step 2: Obtain the payload bits:
Convert the hexadecimal code point U+339C to binary:
00110011 10011100. Those are the payload bits.Step 3: Fill in the bits to match the bit pattern:
Obtain the final bytes by arranging the paylod bits to match the bit layout:
11100011 10001110 10011100
SQUARE MM·U+339C
㎜
Character Information
Code Point
U+339C
HEX
339C
Unicode Plane
Basic Multilingual Plane
Category
Other Symbol
Character Representations
Click elements to copy| Encoding | Hex | Binary |
|---|---|---|
| UTF8 | E3 8E 9C | 11100011 10001110 10011100 |
| UTF16 (big Endian) | 33 9C | 00110011 10011100 |
| UTF16 (little Endian) | 9C 33 | 10011100 00110011 |
| UTF32 (big Endian) | 00 00 33 9C | 00000000 00000000 00110011 10011100 |
| UTF32 (little Endian) | 9C 33 00 00 | 10011100 00110011 00000000 00000000 |
HTML Entity
㎜
URI Encoded
%E3%8E%9C
Description
The Unicode character U+339C, also known as the SQUARE MM, is a typographical symbol often employed in digital text to represent measurement units or mathematical concepts. In its primary role, it serves as a visual indicator of millimeters (mm), a unit of length in the International System of Units (SI). Within the context of digital typography and design, the SQUARE MM is used to convey precise measurements for layout purposes, particularly when dealing with text or elements that require accurate dimensions. Although not widely known outside of specialized fields, its significance lies in ensuring clarity and correctness in technical documents, such as engineering drawings, scientific research, and graphic design projects. Its presence in Unicode ensures cross-platform compatibility and seamless integration across various digital platforms, thereby facilitating clear communication among professionals and users worldwide.
How to type the ㎜ symbol on Windows
Hold Alt and type 13212 on the numpad. Or use Character Map.