# Number Sign
Also called: hash, hashtag, pound sign, octothorpe, sharp. The # sign means "number" (#1) and makes hashtags that group posts about the same topic.
How to type #
Hold Shift with your right pinky, then press the 3 key with your left middle finger.
Meaning and fun facts
Its silliest name is "octothorpe." Musicians call it "sharp," and on phones in the US it is the "pound" key.
Common uses
- Numbers: #1 fan
- Hashtags: #typing
- Music sharps: C#
- Comments in code
Fun example: We are the #1 typing team!
Typing tip
The # key is Shift + 3. Americans call it the pound sign or number sign, many other countries say hash, and on social media it starts a hashtag.
# at a glance
| Keyboard (Windows, Mac, Chromebook) | Shift + 3 |
|---|---|
| Phone or tablet | On an iPhone, tap 123 and then #+= to see it. On Android (Gboard), tap ?123 and then =\< if it is not on the first page. |
| Windows Alt code | Alt + 35 (hold Alt, type the number on the number pad) |
| Unicode | U+0023 |
| HTML code | # |
Quick practice drill
Type the examples below. The keyboard shows which finger and Shift key to use.
Want more? Practice this reach in Lesson 25: Numbers 1 to 5, or warm up with typing practice and Falling Words.
Related symbols
See all symbols in Keyboard Characters and Meanings.
FAQ
What is the # symbol called?
# is called the number sign. It is also called hash, hashtag, pound sign, octothorpe, sharp.
How do you type number sign on a keyboard?
Hold Shift with your right pinky, then press the 3 key with your left middle finger.
What does # mean?
The # sign means "number" (#1) and makes hashtags that group posts about the same topic.