B
Uppercase B
PrintableASCII 66 | Hex 0x42 | U+0042
ASCII Code
Decimal
66
Hexadecimal
0x42
Octal
102
Binary
0100 0010
URL Escape
%42
How to Type
Windows Alt CodeAlt + 66
HTML Entity
B
Unicode InputU+0042
Frequently Asked Questions
What is ASCII code 66?
ASCII code 66 represents the Uppercase B character. In hexadecimal it is 0x42, in binary 0100 0010, and in octal 102. It is a printable character that appears as "B" in text.
How do I type ASCII 66 on a keyboard?
On Windows, hold Alt and type 66 on the numeric keypad. On Mac, you can use the Character Viewer (Edit > Emoji & Symbols). In HTML, use the entity B or B.