U+33A0 "㎠" Square Cm Squared Unicode Character
U+33A0 "㎠" Square Cm Squared is a precomposed CJK compatibility ideograph that represents the metric unit of area known as a square centimeter, used primarily in East Asian contexts for typesetting convenience within vertical text or limited character grids. This character belongs to the CJK Compatibility block, where it was encoded to match the width of standard CJK characters, allowing it to fit neatly into monospaced or square character spaces without breaking line alignment. Though visually identical to a combination of the letters "c," "m," and a superscript "2," the precomposed form ensures consistent rendering across different fonts and systems, and it is distinct from the typical Unicode representation of "cm²," which is constructed with separate character codes.
General Properties
| Code Point | U+33A0 |
| Version Added | 1.1 |
| Name | Square Cm Squared |
| Unicode 1.0 Name | Squared Cm Squared |
| Block | CJK Compatibility |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Square |
| Decomposition Mapping | "c" U+0063 Latin Small Letter C "m" U+006D Latin Small Letter M "²" U+00B2 Superscript Two |
Encodings
| HTML Decimal Encoding | ㎠ |
| HTML Hex Encoding | ㎠ |
| UTF-8 Encoding | 0xE3 0x8E 0xA0 |
| UTF-16 Encoding | 0x33A0 |
| UTF-32 Encoding | 0x000033A0 |
| C/C++/Java Escape | \u33a0 |