Punctuation & Typography

Number Sign #

U+0023 Added in Unicode 1.1 (1993)

The number sign (#) marks numbers, hashtags, or item counts, also called pound sign or hash.

Codes
Unicode
Unicode name
Decimal
HTML entity
HTML decimal
HTML hex
Encodings & code escapes +
UTF-8 (hex bytes)
UTF-16 (hex units)
UTF-32
URL encoded
CSS content
JavaScript / TypeScript
JSON, Java, C#, C/C++
Python
Go
Rust, Swift, PHP, Ruby
Perl

Click any value to copy it. All escapes refer to the same code point U+0023.

How to type # on Windows

The number sign symbol has no short Alt code. The quickest option is to copy it from the top of this page and paste it with Ctrl+V.

No numeric keypad?

Press Win+. to open the emoji panel, choose the Symbols tab (Ω) and search for "number sign". Or open Character Map from the Start menu, find #, click Select, then Copy.

How to type # on a Mac

There is no direct keyboard shortcut for # on a Mac.

For any symbol, the Character Viewer works: press Control+⌘+Space, type "number sign" in the search box and double-click the result. It will be remembered under Frequently Used.

How to type # on iPhone and iPad

The iOS keyboard does not include #, so the reliable way is to copy it from this page, then press and hold in any text field and tap Paste.

If you use it often, create a shortcut: open Settings → General → Keyboard → Text Replacement, paste # in the Phrase field and type a short code such as ;number in the Shortcut field. Typing that code will then insert # anywhere.

How to type # on Android

Copy the symbol from this page, then long-press in a text field and choose Paste. Gboard also keeps a clipboard history: tap the clipboard icon on the toolbar to paste it again later.

For a permanent shortcut, open Gboard settings → Dictionary → Personal dictionary, add # as the word and a short code as the shortcut.

How to type # in Microsoft Word

  1. Type the Unicode hex code 0023 where you want the symbol.
  2. Press Alt+X. Word converts the code into #.

This works on Windows in Word, Outlook and OneNote and needs no numeric keypad. You can also go to Insert → Symbol → More Symbols, set the font to a Unicode font and type 0023 in the Character code box. In Excel, the formula =UNICHAR(35) returns the symbol.

How to type # in Google Docs

Open Insert → Special characters, then either search for "number sign" or draw the symbol in the sketch box. Click the result to insert it. In Google Sheets, use =CHAR(35).

# in HTML, CSS and code

FormatCode
HTML entity#
HTML decimal#
HTML hex#
CSS content"\0023"
JavaScript"\u0023"
Python"\u0023"
URL encoded%23

Because # is a standard Unicode character (U+0023), you can also paste it directly into any UTF-8 file. The escaped forms above are only needed when the file encoding is uncertain or the symbol must be entered on a keyboard without it.

Where the number sign symbol is used

On social media it groups posts by topic, as in #ThrowbackThursday, while in text it can mean number, like Item #4. Programmers use it for comments in Python (# note) or preprocessor directives in C (#include). It's distinct from the musical sharp sign (♯), which has a taller, slanted design.

Frequently asked questions

Why is # called a hashtag? +

When used on social media before a word or phrase to tag content by topic, the number sign is called a hashtag, a term combining hash and tag.

Is # the same as the pound sign? +

In the US, # is often called the pound sign because it once denoted pounds weight, unrelated to the British currency symbol £.

What is the Alt code for the number sign symbol? +

The number sign symbol has no short Alt code. Copy it from this page, or in Word type 0023 and press Alt + X.

How do I type # on a Mac? +

There is no dedicated Mac shortcut for #. Open the Character Viewer with Control + Command + Space, search for "number sign", and double-click it. Or copy it from this page.

How do I type the number sign symbol on iPhone or Android? +

Phone keyboards do not include # by default. Copy it from this page and paste it, or add it as a text replacement shortcut in Settings so you can type it with a short abbreviation.

What is the HTML code for #? +

Use # in HTML. The numeric form # works too. In CSS use content: "\0023" and in JavaScript use "\u0023".

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