Word and Character Limits Across Platforms: What Actually Counts

"Keep it under 280 characters" and "keep it under 280 words" describe wildly different amounts of text, and mixing the two up is a common way to badly misjudge how much you can say. Different platforms and requirements count length differently, and it's worth knowing which measure actually applies before you write.

Character count vs. word count

A character count includes every letter, number, space, and punctuation mark — "Hello, world!" is 13 characters. A word count treats that same phrase as 2 words. As a rough rule of thumb, average English words are about 5 characters long, so a 280-character limit holds roughly 40-50 words depending on word length and spacing — nowhere near 280 words.

Where character limits are the actual rule

• X (Twitter) posts: 280 characters for most accounts, counted including spaces and punctuation, with links counted as a fixed 23 characters regardless of actual URL length.
• Meta descriptions (SEO): Google typically displays up to roughly 150-160 characters before truncating with an ellipsis in search results — write for that limit, not a word count, since it's screen space that's actually constrained.
• SMS text messages: 160 characters per standard message segment; longer messages are typically split and reassembled by phones, which is invisible to the user but relevant for bulk messaging costs.

Where word counts are the actual rule

• Academic essays and assignments: almost always specified in words ("500-word essay"), since word count roughly tracks how much content and argument the text contains, independent of how verbose individual word choices are.
• Cover letters and resumes: often guided by word count or page count rather than characters, since readability and structure matter more than a hard technical limit.

Reading time — a different useful number entirely

Estimated reading time is typically calculated from word count using an average adult reading speed of roughly 200-250 words per minute for silent reading. This is useful for gauging how long a blog post, script, or speech will actually take to read or deliver — a 1,500-word article is roughly a 6-7 minute read, and a 1,000-word speech read aloud (slower than silent reading, closer to 130-150 words per minute) takes closer to 7-8 minutes to deliver.

Try it yourself

Our Word Counter shows live word count, character count, sentence and paragraph counts, and estimated reading time as you type or paste text — useful for checking against whichever limit actually applies to what you're writing.

This guide is for general understanding. Always check the exact limit and counting method specified by the platform or requirement you're writing for, since exact rules vary.