Ÿ
Latin capital letter Y with diaeresis
ExtendedASCII 159 | Hex 0x9F | U+009F
ASCII Code
Decimal
159
Hexadecimal
0x9F
Octal
237
Binary
1001 1111
How to Type
Windows Alt CodeAlt + 159
HTML Entity
Ÿ
Unicode InputU+009F
Character in Different Encodings
| Encoding | Code | Symbol | Name |
|---|---|---|---|
| Code page 437 | 159 | ƒ | Latin small letter f with hook |
| ISO-8859-1 | 159 | - | Unused |
| ISO-8859-2 | 159 | - | Unused |
| ISO-8859-3 | 159 | - | Unused |
| ISO-8859-4 | 159 | - | Unused |
| ISO-8859-5 | 159 | - | Unused |
| ISO-8859-6 | 159 | - | Unused |
| ISO-8859-7 | 159 | - | Unused |
| ISO-8859-8 | 159 | - | Unused |
| ISO-8859-9 | 159 | - | Unused |
| ISO-8859-10 | 159 | - | Unused |
| ISO-8859-11 | 159 | - | Unused |
| Windows-1250 | 159 | ź | Latin small letter z with acute |
| Windows-1251 | 159 | џ | Cyrillic small letter Dzhe |
| Windows-1252 | 159 | Ÿ | Latin capital letter Y with diaeresis |
| Windows-1253 | 159 | - | Unused |
| Windows-1254 | 159 | Ÿ | Latin capital letter Y with diaeresis |
| Windows-1255 | 159 | - | Unused |
| Windows-1256 | 159 | ں | Arabic letter Noon Ghunna |
| Windows-1257 | 159 | - | Unused |
| Windows-1258 | 159 | Ÿ | Latin capital letter Y with diaeresis |
Frequently Asked Questions
What is ASCII code 159?
ASCII code 159 represents the Latin capital letter Y with diaeresis character. In hexadecimal it is 0x9F, in binary 1001 1111, and in octal 237. This is an extended ASCII character whose meaning varies by encoding.
How do I type ASCII 159 on a keyboard?
On Windows, hold Alt and type 159 on the numeric keypad. On Mac, you can use the Character Viewer (Edit > Emoji & Symbols). In HTML, use the entity Ÿ or Ÿ.