What’s the difference between an em dash and an en dash?

An en dash (–) is shorter and is used to indicate number ranges (e.g., “1958–1985”) or as a substitute for the word “to” in phrases like “the Albuquerque–Los Angeles flight.”

An em dash (—) is longer and is used like parentheses or commas to set off extra information or like a colon or semicolon to indicate a break in a sentence. For example: “My brother—well, technically my half-brother—is coming to visit this weekend.”

In British English, en dashes are used like em dashes. In this case, they have a space on either side. For example: “My brother – well, technically my half-brother – is coming to visit this weekend.”

A QuillBot Grammar Check can help you ensure you use dashes correctly.