Writing Tips

Using "i.e." and "e.g." correctly

Summary

This article explains the correct use of "i.e." and "e.g.".

Not quite sure when to use these or how they're different? Well, i.e. is Latin for id est and means that is. Here are some sample sentences:

e.g. is Latin for exempli gratia and means for example. Here are some sample sentences:

Some users of American English put a comma after i.e. and e.g.:

This usage, although defensible and frequently seen, strikes me as over punctuated. Unless you have a strong preference for it, I'd advise against using a comma in this manner.

Note that it is not necessary to set these abbreviations in italics in normal use.

Note also the use of semicolons in two of the examples above. For more information on using semicolons, look at this tip.