"How long should this be?" is one of the most common questions in writing, and one of the least answered well. The honest answer is: it depends on what you're writing — but there are real benchmarks people use every day, and knowing them saves a lot of guessing.
Cover Letters and Emails
A cover letter that runs past 400 words usually loses the reader before the second paragraph. Recruiters skim — three short paragraphs covering who you are, why this role, and a call to action is the proven shape. Professional emails follow the same logic: under 150 words gets read in full; over 300 words gets skimmed or skipped.
Academic Essays
School and university word counts aren't arbitrary — they're a rough proxy for argument depth. A 500-word response usually wants one clear point with one piece of support. A 2,000-word essay is expected to carry a thesis, multiple supporting arguments, at least one counterpoint, and a real conclusion. Coming in 20% under a stated limit is usually fine; going over by more than 10% often gets penalized.
Social Media, By Platform
- X / Twitter: 280 characters for a standard post
- LinkedIn: text truncates around 210 characters before "see more" — put your hook there
- Instagram captions: technically allow 2,200 characters, but engagement drops sharply after roughly 125
- SEO title tags: aim for under 60 characters so they don't get cut off in search results
- Meta descriptions: roughly 155–160 characters before truncation
Blog Posts and Articles
There's no universal "best" length, but data from content-heavy sites consistently shows informational articles between 1,200 and 2,000 words performing well — enough room to cover a topic properly without padding. A how-to answering one specific question can be far shorter and still perform if it's precise.
A Simple Way to Stay on Target
Rather than estimating, paste your draft into a counter as you write. Our Word & Character Counter shows live word count, character count, and estimated reading time, so you can hit your target without constantly recounting by hand.