U+2150 "⅐" Vulgar Fraction One Seventh Unicode Character
Unicode Version 17.0
⅐
U+2150 "⅐" Vulgar Fraction One Seventh is a single typographic glyph representing the numerical ratio of one part out of seven equal parts, an encoding method that allows for the compact and consistent display of this fraction across digital platforms and fonts. It is part of the Number Forms block, a collection of precomposed fractions and other numerical symbols designed to maintain legibility and proper alignment in text, as opposed to using a separate numerator and denominator with a slash. Although less common in everyday writing than fractions like one half or one quarter, this character supports specialized mathematical, culinary, or scientific notation where precise proportions are required.
General Properties
| Code Point | U+2150 |
| Version Added | 5.2 |
| Name | Vulgar Fraction One Seventh |
| Block | Number Forms |
| General Category | Other Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Decomposition Type | Fraction |
| Decomposition Mapping | "1" U+0031 Digit One "⁄" U+2044 Fraction Slash "7" U+0037 Digit Seven |
Encodings
| HTML Decimal Encoding | ⅐ |
| HTML Hex Encoding | ⅐ |
| UTF-8 Encoding | 0xE2 0x85 0x90 |
| UTF-16 Encoding | 0x2150 |
| UTF-32 Encoding | 0x00002150 |
| C/C++/Java Escape | \u2150 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | Numeric |
| Numeric Value | 1/7 |
| Line Break | Ambiguous (Alphabetic or Ideographic) |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "1" U+0031 Digit One "⁄" U+2044 Fraction Slash "7" U+0037 Digit Seven |
| NFKC Simple Casefold | "1" U+0031 Digit One "⁄" U+2044 Fraction Slash "7" U+0037 Digit Seven |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |