How to make the "diameter" symbol Ø (crossed out O)

Are you in the process of writing dimensions but cannot find the "Diameter" (Ø) symbol

This symbol represented by a "crossed out O" does not exist on standard keyboards, but it is very easy to achieve it thanks to a combination of keys on your keyboard. You can make this symbol in upper case (Ø) or lower case (ø) using the key combinations explained below.

Summary:

1. Make the symbol "Diameter" under Windows

2. Make the symbol "Diameter" under Mac OS / Apple


1. Make the symbol "Diameter" under Windows


  • Make the symbol "Diameter" in uppercase : Alt + 1 5 7 --> Ø

The techniqueYou keep the Alt key pressed (the key to the left of your Space bar), then you successively type the numbers 1 5 7, then you finally release the Alt key, which will make the "Diameter" symbol appear in uppercase: Ø

  • Make the "Diameter" symbol lowercase: Alt + 1 5 5 --> ø

The techniqueYou keep the Alt key pressed (the key to the left of your Space bar), then you successively type the numbers 1 5 5, then you finally release the Alt key, which will make the "Diameter" symbol appear in lowercase : ø

 


2. Make the symbol "Diameter" under Mac / Apple


  • Make the symbol "Diameter" in uppercase : ⇧ Shift + Alt ⌥+ o

The techniqueKeep the ⇧ Shift and the Alt  keys pressed ("Alt" key can also be called "Option"), then type the letter o, which will make the "Diameter" symbol appear in uppercase: Ø

  • Make the "Diameter" symbol in lowercase : Alt ⌥o

The techniqueKeep the Alt   key pressed, then type the letter o, which will make the "Diameter" symbol appear in lowercase : ø


Troubleshooting
I don't have a numeric keypad on my keyboard, what should I do? "
  • If you don't have a numeric keypad on your keyboard, make sure you have activated the function Num Lock If not, press the Fn + button  Num Lock.

  • If you do not have the function  Num Lock on your keyboard, try first pressing the key  Fn and then performing the combination with Alt described in the previous paragraph.

  • If you still can't do it, don't hesitate to copy and paste the symbol from this article to the location of your choice.

"I have a Mac / Macbook / Apple computer"

If you have a Mac / Apple keyboard, the technique is the same. The Alt ⌥ key can also be called  Option ⌥ but it is always the key just to the left of the Space bar.

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