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Instagram username length
An Instagram username can be up to 30 characters, using letters, numbers, periods and underscores. It cannot contain spaces or other symbols.
Saved in this browser only. Nothing is uploaded.
Check the same text against X, Instagram, LinkedIn, YouTube, Google and SMS at once, with your own limit set to this one.
Open the character counterInstagram username: the numbers
| Maximum | 30 characters |
|---|---|
| How it counts | Characters as you see them: an emoji or an accented letter is 1. Spaces and line breaks count. |
| English words that fit | 4–5 |
Last reviewed October 2026. Platforms change their limits; when it matters, check the platform’s help pages.
What counts as a character
- Only letters, numbers, periods (.) and underscores (_) are allowed.
- Usernames are not case-sensitive.
Best length vs the maximum
- Shorter is easier to remember and to tag.
- Avoid strings of underscores or periods that are easy to get wrong when someone types your name.
- Try the username generator for ideas that fit.
Questions and answers
How long can an Instagram username be?
30 characters.
Can an Instagram username have spaces?
No. Use a period or an underscore instead.