Instagram Bio Character Limit (2026): 150 Characters, Explained

The bottom line: 150 characters, and they belong to the bio only

The figure is simple. The official help page on editing your bio says you can write a bio of up to 150 characters on your profile. That number is the full allowance for the description under your name. It's a tight space, so short words and one clear message beat a list of everything you offer.

What trips people up is assuming that number has to stretch to cover everything on the profile screen. It doesn't. Your name, your username and your profile picture are separate fields with their own settings, so none of them eats into those 150 characters. You can spend the full bio on saying what you do and why someone should follow you.

One more point to settle before drafting: this text is open to the whole world. Nothing in it is limited to followers, so it's the wrong place for details you'd only share with a paying customer.

What the 150-character limit covers, and what sits outside it

Here's how the profile breaks down, so you know which part the limit touches and which parts are handled somewhere else:

• Your bio text. This is the only field the 150-character limit applies to, and anyone can read it.
• Your name. Set separately, from Edit profile or, if you have the setting, from Accounts Centre.
• Your username. Its own setting too, and the one with a catch, covered further down.
• Your profile picture. Changed on its own, again from Edit profile or Accounts Centre.
• Your website. Instagram has a separate help route for adding a website to your profile, apart from writing your bio.
• Your email address, phone number and gender. These aren't visible to anyone but you.

That last point is a useful contrast. Some profile details are private by design, and the bio is the opposite: it's built to be read by everyone. So if you're a sole trader thinking of dropping your personal mobile number into the bio to make it easy to reach you, think twice. Once it's in the bio, anyone can see it.

The website point matters for business owners too. Rather than squeezing a web address into your 150 characters, use the separate website route, and keep the bio for the words. If you want people to go somewhere specific, such as your channel, there's a walkthrough on adding a YouTube link to your bio that shows how that fits alongside the text.

Where to edit your bio on the app

The route to the bio field is short. From the app:

1. Open your profile: tap Profile, or tap your picture in the bottom right corner.
2. Choose Edit profile, which sits near the top.
3. Tap Bio.
4. Write your bio, keeping it within 150 characters.
5. Save your changes.

If you want the full walkthrough with every screen covered, I've put it together in this guide to editing your Instagram bio.

Your name, username and profile picture can be changed from that same Edit profile screen, or from Accounts Centre. Not everyone can reach the profile setting in Accounts Centre yet, so if you go looking for it and it isn't there, don't worry about it. Use Edit profile instead, which covers the same fields.

The catch: username changes can sit in review, and followers may be told

Rewriting your bio is low stakes: it's text you can tweak from Edit profile whenever your offer changes. Changing your username is a different matter, and this is the part that catches business owners mid-rebrand.

According to the help page on updating your profile information, when an account reaches a lot of people, switching to a new username may have to go through a review first. On other accounts it changes immediately, as long as the username you want is available. On top of that, your followers may be notified that you've changed it.

There's no figure given for what counts as reaching a lot of people. So if your account has grown, allow for the possibility of a review and don't plan a launch around a new handle going live the same morning. And because followers may hear about the change, it's worth making sure the new name is the one you want to keep. Changing it twice means going through that process twice.

A sensible order if you're rebranding: settle the new username first, then rewrite the 150-character bio so it matches the new name and what you now offer. The bio is the easy part to adjust afterwards; the username is the part with a review and a notification attached.

Matching your name on Instagram and Facebook

This one isn't about the bio limit, but it sits on the same profile screen and it's easy to miss. If your Facebook and Instagram accounts are linked in Accounts Centre and share the same first name and surname, it could help people find you more easily through recommendations.

For anyone whose business is built on their own name, that's a quick win. Use the same first name and surname on both, spelled the same way, and let the bio do the job of explaining what you do.

How I'd spend 150 characters on a business profile

Because the name, username, picture and website all have their own homes, the bio can stay focused on one thing: telling a stranger why they should care. Here's how I'd use the space:

• Say who you help and what you do for them, in plain words a customer would use.
• Give one reason to follow: what someone gets from your posts that they won't get elsewhere.
• Finish with one next step, such as pointing people to the website you've added through the separate route.
• Cut anything that repeats your name or handle, because those already have their own fields.
• Leave out anything private, because anyone can see it.

Draft it in a notes app with a character counter, trim until it fits, then paste it in. Final check: would it make sense to someone who's never come across your business? For more on the wording itself, my notes on writing a bio that gets follows go further into what to put in those 150 characters.

This guide is part of my Instagram Help: 81 Guides to Followers, Hashtags, Money, Accounts and Fixes. Check the length with my free Instagram character counter.

Frequently asked questions

Does my display name eat into the bio allowance?

It doesn't. The display name is a separate entry, so the full 150 stays free for the description.

How quickly does a new username go live?

Straight away, provided the name is available, unless your reach means it goes into review before it applies.

Can I change my profile picture without touching my bio?

Yes. The picture is a separate setting, so swapping it leaves your bio text exactly as it was.

Should I warn my audience before I rename my handle?

It's worth a short post explaining the switch. A notice may go out anyway, and you'd rather they hear the reason from you.

Is my Instagram bio public?

Yes. Anyone can see it, follower or not, so treat it as shop-window copy and keep personal contact details out of it.