1
Select the text to subscript
Highlight the characters that should sit below the line - here, the 2 in CO2.
How to subscript in Google Docs
Format characters as subscript - like the 2 in CO2 - from the Format menu or with a keyboard shortcut.
IT & Engineering
2
Click Format
Open the Format menu.
3
Click Text
Hover over Text to open its submenu.
4
Click Subscript
Choose Subscript. Shortcut: Ctrl + , (Cmd + , on Mac).
5
Subscript applied
The selected characters now appear smaller and below the line. Apply Subscript again to turn it off.
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