i.e. vs. e.g.: Latin Abbreviations Explained

i.e. = *id est* = "that is" or "in other words." Use it to clarify or restate: "The deadline is Friday, i.e., end of business."

e.g. = *exempli gratia* = "for example." Use it to list examples: "Bring supplies, e.g., pens, paper, and tape."

Both get commas in American English: "several fruits, e.g., apples and oranges."

If you can replace with "for example," use e.g. If you can replace with "in other words," use i.e.