LinkedIn Post Length: How Long Should a Post Be?

LinkedIn post length has a trap in it. You get 3,000 characters. Your reader sees about 140.

That gap kills more posts than bad writing does. The idea was fine. Nobody got past line one.

The real LinkedIn post length limit is not 3,000

LinkedIn caps a post at 3,000 characters. That number is real and easy to find.

The number that decides your reach is a different one. In the feed, LinkedIn shows a short preview and then a "see more" link. On desktop that preview runs to roughly 200 to 250 characters. On a phone it is closer to 140.

LinkedIn does not publish the exact cutoff. It shifts a little with device, font size, and app version. So plan for the smallest one. Write as if you get 140 characters.

That is about two short sentences.

Why the "see more" tap is the whole game

When someone taps "see more", they stay with your post longer. That extra reading time is a signal LinkedIn pays attention to. Posts that hold people get shown to more people.

So short is not automatically safe. A 400 character post that nobody expands gives you almost no reading time. A 1,300 character post that people open and finish gives you plenty.

Your target is not a word count. Your target is the tap.

Which raises the obvious question. How long should the rest of it be?

Three LinkedIn post lengths that actually work

Pick by what you are trying to say, not by habit.

• 300 to 600 characters. One idea, one piece of proof. Good for an opinion or a small result. Nothing hides behind "see more", so the whole post has to land in the feed.
• 900 to 1,300 characters. A story with a turn, or three short lessons. Most creators live here. Long enough to be worth opening, short enough to finish on a phone.
• 1,800 to 2,500 characters. A breakdown with real numbers, or a case study. Use this only when you have something people cannot get in one line anywhere else.

Going past 2,500 needs a reason you can say out loud. If you cannot name the reason, cut.

The 1,300 character rule is not a rule

You have probably seen advice to write exactly 1,300 characters. It spreads because it is easy to repeat.

It is a rough average from some accounts, not a setting inside LinkedIn. Treat it as a starting guess. Then test it against your own posts.

How to write the first 140 characters

Count them. Do it by hand the first few times, and after that you will feel it.

Three openings that survive the cutoff:

• A number with a claim. "I sent 47 cold messages last month. Six people replied. Here is what those six had in common."
• A flat statement people can argue with. "Most LinkedIn advice fails because it was written for people who already have an audience."
• A small confession. "I deleted my content calendar in March. My reach went up."

What does not survive: a warm up line, your job title, or the words "I am excited to share".

If your first line needs a second line to make sense, it is not a first line yet. There is more on this in LinkedIn hooks that beat the see more cut.

White space beats word count

A 1,000 character wall of text reads longer than a 2,000 character post with air in it.

• Break after one to three sentences.
• Put your strongest line alone on its own line.
• Keep each paragraph to one idea.
• Do not open with a list. Give people a reason to care first.

One more thing about the phone. Most of your readers are on one. Open LinkedIn on your own phone before you post and look at what shows above the fold. It is usually less than you expected.

Find your own number

General advice gets you close. Your own data gets you right.

Open your last ten LinkedIn posts. Write down the character count and the impressions for each. Look for the pattern. Some accounts do best near 600. Some do best near 2,000. Your audience decides that, not a blog post.

If you write in a second language, shorter usually wins. Short sentences are easier to read. They are also easier to write well.

Where a tool helps, and where it does not

No tool can tell you what to say. But holding a length that fits you gets easier when your drafts already sound like you.

That is the part PostOwl handles. It learns your voice from posts you already wrote, then writes and schedules posts and replies for LinkedIn and X. Drafts come back in your rhythm and near your usual length, instead of at some default template size.

The rest is on you. Pair a length that fits with a steady rhythm and it adds up. If you are unsure how often to show up, read how often to post on LinkedIn.

Do this before your next post

Take your next draft. Cut everything above your strongest line, then count to 140.

If the point is clear by then, post it. If not, rewrite line one and count again.