On this page:
There are two basic ways to change font sizes in Latex, depending on whether you want to change the font size throughout your entire document, or just a portion of it.
To change the basic font size used all the way through your document, put either "11pt" or "12pt" in your \documentclass line. For example, if you had:
but you wanted to use 12pt type (10pt is the default), you would change it to:
To change just a part of your paper into a different font size, you can use some of the sizing environments. In increasing size, they are:
The case is important in these commands. Also, in some document styles, some of these commands may produce the same size font. For example, if you wanted to just make a small part of your text in a different font, you would use something like:
Or, if you wanted to put a larger region in a different size, you'd use something like: