How to Type Proportional To symbol (∝) on Windows and Mac?

The proportional to symbol () is a mathematical symbol that represents a relationship between two variables. When you see this symbol, it indicates that the left value is directly proportional to the right value.

For example, let’s say we have two variables: A and B. If A is directly proportional to B, it means that if we increase the value of A, the value of B will also increase by the same proportion. Similarly, if we decrease A, B will decrease proportionally. (x ∝ y)

You can use the keyboard shortcut code method on Windows by typing the Unicode 221D and pressing the Alt and X keys simultaneously. On Mac, you can use the Character Viewer to find and insert the symbol.

Keyboard Shortcuts and Alt Code:

Symbol NameProportional To
Keyboard Shortcuts221D + Alt-X
Alt Code8733
UnicodeU + 221D
LaTeX Command/propto

Copy and Paste Proportional To Sign:

5 Ways to Type Proportional To Sign in Microsoft Word and Excel:

  1. Symbol Library
  2. Autocorrect Method
  3. Keyboard Shortcuts
  4. Character Map
  5. Alt Code


You can insert directly proportional to text in Microsoft word and excel by using insert option.

  • Open the Microsoft word and click on the Insert tab.
  • Click on the Symbol button.
Inversely proportional to symbol in word
  • In the Symbol dialog box, select the Proportional to text from the Symbols list or enter the Unicode 221D.
  • Click on the Insert button.
Proportional to letter in word


The autocorrect feature can be used to insert inversely proportional relation in Microsoft word:

  1. Open Microsoft Word and go to the “Insert” tab in the ribbon.
  2. Click on the “Symbol” button to open the Symbols feature.
  3. Look for the “AutoCorrect” option and click on it.
  4. A dialog box titled “AutoCorrect Options” will appear. Make sure you’re in the “AutoCorrect” tab.
  5. In the “Replace text as you type” section, locate the “Replace” field.
  6. Enter the trigger text you want to use, such as “propto” into the “Replace” field.
  7. Once you’ve entered the text and the desired replacement icon, click the “Add” button.
  8. Click “OK” to close the AutoCorrect Options dialog box.
Proportional to sign in excel


  1. Place the cursor at the desired location and press and hold down the Alt key.
  2. Type the Proportional To Alt Code 8733 while holding the alt key using the numeric keypad.
  3.  Once you release the Alt key, the symbol will appear exactly where you placed the cursor.

Note: Make sure to use the numeric keyboard and not the top row of the keyboard.


Character map is the built-in feature in Microsoft windows to insert proportionality sign without any external software.

  • Open the Character Map by searching for it in the Start menu.
Directly proportional to in Microsoft windows
  • Click on the advanced view to see the all options.
  • In the Character Map, scroll down to the symbol U+221D.
  • Double-click on the prop to symbol.
  • The symbol will be inserted into your document.
Proportional to in character map


This is the easiest way to type proportional to character in word.

  1. Position the cursor where you want to type direct relation symbol.
  2. Type the Unicode code for the proportional to letter, which is 221D.
  3. Press the Alt and X keys at the same time.
  4. Release both keys.

The code 221D will be replaced with the directly proportional to (∝) at the cursor position.

How to Type Proportional To Symbol on Mac?

To type the proportional sign on a Mac, use the character viewer option by using these steps:

  • Place your cursor in the text area where you need to insert the symbol.
  • Open the Character Viewer by pressing Command + Control + Space.
  •  Alternatively, choose Edit > Emoji & Symbols.
  • In the Character Viewer, search for the proportional to letter by typing “” in the search field.
  • When you find the proportional to, double-click on it to insert it into your document.


You can easily add proportional to symbol to your texts on Windows using ASCII art, Unicode characters, or copy-paste options. On Mac, access symbols through the Emoji and Symbols feature.

Contact us here for any further questions.

Happy Typing!

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