Character Counter and Words to Characters Converter

By Alex Johnson. Character limits trip people up constantly. I built tools for developers, but the character counter ends up being the one everyone uses: writers, social media managers, students. People also kept asking a slightly different question, how many characters a given number of words comes to, so the counter below now answers that too.

Counting characters seems trivial until a platform enforces a hard limit. X, Instagram, LinkedIn, Google Ads, SMS, meta descriptions and app store listings all have different ceilings, and going over means your text gets cut off or rejected. The other common problem runs backwards: an application form asks for 1,000 characters and you only know how to think in words.

How many characters is 100, 250 or 500 words?

The table uses the same formula as the converter: 4.79 letters per word, plus one space between each pair of words. Figures over 100 are rounded to the nearest 10.

Treat these as a planning range. A paragraph of short, everyday words can come in noticeably under the table, and a page of technical vocabulary will run over it.

How many words fit in a character limit?

Character limits are easier to write to once you know roughly how many words they hold. Each figure assumes the limit counts spaces, which almost every platform does.

How the converter estimates characters from words

In 2013, Peter Norvig, then director of research at Google, counted the letters in the English Google Books corpus: 743 billion word occurrences. The average word in running text came out at 4.79 letters, and that is the figure the converter starts from.

Norvig also found that the average distinct word in the dictionary is 7.60 letters long. That number is the wrong one for this job. A dictionary lists “the” once, while real writing uses it constantly, and short words like it pull the running average down to 4.79.

Without spaces, the estimate is simply words × 4.79. With spaces, it adds one space between each pair of words, so 250 words gets 249 spaces. Punctuation is not part of the 4.79 figure, which is why commas and full stops push real prose slightly above the estimate. Your own writing will also differ from the average. Academic and technical writing leans on longer words, and text messages lean on shorter ones. To get a number for your writing specifically, paste a few paragraphs into the counter tab: it reports your letters per word, and the “Use my average in the converter” button carries that figure over.

Character limits for every major platform in 2026

These are the limits people run into most often. The X, TikTok and Pinterest figures were rechecked in October 2026. Platforms change their limits from time to time, so for anything with a hard deadline, confirm the number on the platform itself.

Social media character limits

• X (Twitter) post: 280 characters. Links count as 23 characters whatever their real length. X Premium subscribers can write longer posts of up to 25,000 characters.
• Instagram caption: 2,200 characters maximum; roughly the first 125 show before the “more” link
• Instagram bio: 150 characters
• LinkedIn post: 3,000 characters
• LinkedIn headline: 220 characters
• LinkedIn About section: 2,600 characters
• Facebook post: 63,206 characters (effectively unlimited for practical purposes)
• TikTok caption: 4,000 characters
• YouTube title: 100 characters (Google truncates at about 70 in search results)
• YouTube description: 5,000 characters
• Pinterest pin title: 100 characters
• Pinterest pin description: 800 characters

SEO character limits

• Google title tag: about 60 characters before truncation in search results (Google measures in pixels, not characters, but 60 is a safe rule)
• Google meta description: 155–160 characters before truncation
• Google Ads headline: 30 characters each
• Google Ads description: 90 characters each

App store character limits

• Apple App Store title: 30 characters
• Apple App Store subtitle: 30 characters
• Apple App Store description: 4,000 characters
• Google Play title: 30 characters
• Google Play short description: 80 characters
• Google Play full description: 4,000 characters

Messaging character limits

• SMS: 160 characters per segment using the standard GSM-7 character set, or 153 per segment once a message splits into parts. A single emoji, curly quote or character outside GSM-7 switches the whole message to Unicode (UCS-2), which allows 70 characters per segment, or 67 per segment in a multi-part message. The counter above tells you which encoding your text needs and how many segments it will use.
• WhatsApp message: 65,536 characters

Characters with spaces vs without spaces

These are two different counts, and different contexts call for different ones.

Characters with spaces is what most platform limits measure. X’s 280-character limit counts spaces, and so does Google’s title tag limit. When a platform says “X characters,” it almost always means characters including spaces.

Characters without spaces shows up in academic publishing, in some translation pricing (where translators charge per character of actual text), and in certain legal and technical document standards.

The counter above shows both side by side, so you always have the right number for the context.

Why live character counting matters

A counter that updates as you type changes how you write to a limit. Drafting a post or trimming a meta description directly in the box, you see the moment you cross a threshold and can cut a word on the spot. A counter that needs a button press turns the same job into a loop of writing, checking and rewriting.

Character counting vs word counting: which to use

The right metric depends on your context:

• Platform character limits (X, Instagram, SMS, Google Ads): use character count
• Academic essays, content briefs, journalism: use word count
• Translation services: often character count without spaces or word count, depending on the language pair
• Reading time estimates: use word count (the average adult reads 200–250 words per minute)
• SEO titles and meta descriptions: use character count

The counter shows words, characters, characters without spaces, sentences and lines at once. For paragraph counts and an essay word-limit checker, use the word counter.

How to use the character counter

1. Type or paste your text into the counter at the top of this page
2. Read the counts as they update: characters, characters without spaces, words, letters per word, sentences and lines
3. Check the platform limits list to see how much room you have left on X, Instagram, Google and the rest, and how many SMS segments the text will use
4. To convert between words and characters without any text, switch to the Words ↔ characters tab and enter a number
5. Use Copy text to copy your content, or Clear to start again

Frequently asked questions

How many characters is 250 words?

About 1,450 characters with spaces, or about 1,200 without. That uses the average English word length of 4.79 letters. Paste your own text into the counter for an exact figure.

How many characters is 200 words?

About 1,160 characters with spaces, or about 960 without spaces.

How many words is 1,000 characters?

About 170 words, counting spaces as characters. Text with long technical words will fit fewer.

Does the character counter include spaces?

It shows both. Characters counts every letter, number, space, line break and symbol. Without spaces drops spaces, tabs and line breaks. Most platform limits, including X, Instagram and Google, count spaces.

What is the X (Twitter) character limit?

A standard post on X allows 280 characters, and every link counts as 23 characters whatever its real length. X Premium subscribers can write longer posts of up to 25,000 characters.

What is the Instagram caption character limit?

Instagram captions allow up to 2,200 characters. Only the first 125 or so show before the caption is cut off with a "more" link, so put the main point at the start.

Is there a limit to how much text I can count?

No. The counter runs entirely in your browser with no server processing, so you can paste a whole document. Nothing you type is sent anywhere.